{
 "id": "species-abundance-england",
 "title": "Species abundance, England",
 "category": "energy-environment",
 "summary": "The relative abundance of species in England each year since 1970 (1970 = 100), for all species with suitable data and for priority species, in both of Defra's smoothings.",
 "unit": "index",
 "chart": "line",
 "volatile": false,
 "status": "Official statistics in development",
 "notes": [
  "Defra's index of the average relative abundance of the species in each indicator, with 1970 = 100: all the species with suitable data on the Environment Act 2021's list (birds and butterflies aside, which are published apart), and the priority species of section 41 of the Natural Environment and Rural Communities Act 2006. Defra publishes two smoothings, option 1 over ten years and option 2 over three, and prefers neither, so both are shown. Defra treats the latest years as provisional while some species' trends wait to be updated. Each year's lower and upper credible interval is in the record's JSON."
 ],
 "provenance": {
  "publisher": "Department for Environment, Food & Rural Affairs",
  "publisher_url": "https://www.gov.uk/government/organisations/department-for-environment-food-rural-affairs",
  "source_page": "https://www.gov.uk/government/statistics/indicators-of-species-abundance-in-england",
  "licence": "OGL-3.0",
  "licence_name": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0.",
  "retrieved_at": "2026-11-09T14:58:30Z",
  "raw_files": [
   {
    "name": "page.json",
    "url": "https://www.gov.uk/api/content/government/statistics/indicators-of-species-abundance-in-england",
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    "bytes": 2747,
    "content_type": "application/json"
   },
   {
    "name": "table.ods",
    "url": "https://assets.publishing.service.gov.uk/media/69ef66e4d36883a64473ba1f/Indicators_of_species_abundance_in_England__1970_to_2024.ods",
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  ]
 },
 "meta": {
  "latest_period": "2024",
  "credible_intervals": {
   "All species, option 1": {
    "1970": [
     100.0,
     100.0
    ],
    "1971": [
     92.14158148,
     94.01185409
    ],
    "1972": [
     86.55948686,
     89.65597598
    ],
    "1973": [
     82.72709894,
     86.61744154
    ],
    "1974": [
     80.244348,
     84.62675736
    ],
    "1975": [
     78.76610212,
     83.47016106
    ],
    "1976": [
     77.95854668,
     82.99918666
    ],
    "1977": [
     77.75046828,
     83.17191871
    ],
    "1978": [
     77.94374237,
     83.82103907
    ],
    "1979": [
     78.39703755,
     84.73116496
    ],
    "1980": [
     79.0226676,
     85.89335831
    ],
    "1981": [
     79.75921575,
     87.10954587
    ],
    "1982": [
     80.53155335,
     88.2687906
    ],
    "1983": [
     81.33962582,
     89.35139637
    ],
    "1984": [
     81.94751825,
     90.14857489
    ],
    "1985": [
     82.33014542,
     90.89448004
    ],
    "1986": [
     82.40000589,
     91.26407431
    ],
    "1987": [
     82.07725749,
     91.30886644
    ],
    "1988": [
     81.37788353,
     90.85388555
    ],
    "1989": [
     80.25047292,
     89.95700145
    ],
    "1990": [
     78.81970261,
     88.61953297
    ],
    "1991": [
     77.16619527,
     87.0181865
    ],
    "1992": [
     75.41020998,
     85.17933496
    ],
    "1993": [
     73.4283275,
     83.21432825
    ],
    "1994": [
     71.50514933,
     81.35463342
    ],
    "1995": [
     69.85192803,
     79.59947464
    ],
    "1996": [
     68.29896992,
     78.05647307
    ],
    "1997": [
     67.04974458,
     76.75032569
    ],
    "1998": [
     66.02825822,
     75.69999939
    ],
    "1999": [
     65.35571751,
     75.04145437
    ],
    "2000": [
     64.90390483,
     74.69883419
    ],
    "2001": [
     64.58580393,
     74.48983897
    ],
    "2002": [
     64.49491986,
     74.48527506
    ],
    "2003": [
     64.27373929,
     74.42634235
    ],
    "2004": [
     64.05627113,
     74.3418547
    ],
    "2005": [
     63.79213253,
     74.22729368
    ],
    "2006": [
     63.41549241,
     73.91275849
    ],
    "2007": [
     62.87874147,
     73.35829875
    ],
    "2008": [
     62.34129787,
     72.80163134
    ],
    "2009": [
     61.72380045,
     72.14078567
    ],
    "2010": [
     61.13832396,
     71.61098004
    ],
    "2011": [
     60.77846382,
     71.22686749
    ],
    "2012": [
     60.56783727,
     71.0264207
    ],
    "2013": [
     60.47353526,
     71.03971081
    ],
    "2014": [
     60.66162025,
     71.23105186
    ],
    "2015": [
     60.95570054,
     71.72030953
    ],
    "2016": [
     61.34601918,
     72.34705172
    ],
    "2017": [
     61.74367824,
     72.96905669
    ],
    "2018": [
     62.05676908,
     73.53116472
    ],
    "2019": [
     62.14543056,
     73.77473012
    ],
    "2020": [
     61.9199735,
     73.56030068
    ],
    "2021": [
     61.26919094,
     72.80554246
    ],
    "2022": [
     60.00640556,
     71.33460053
    ],
    "2023": [
     58.00295382,
     69.05199451
    ],
    "2024": [
     55.26188457,
     65.91775912
    ]
   },
   "All species, option 2": {
    "1970": [
     100.0,
     100.0
    ],
    "1971": [
     88.79661229,
     91.1243867
    ],
    "1972": [
     83.59904177,
     86.8007196
    ],
    "1973": [
     81.6091418,
     85.49780055
    ],
    "1974": [
     81.36746284,
     85.9333615
    ],
    "1975": [
     81.77504775,
     86.86249778
    ],
    "1976": [
     81.94546936,
     87.46823483
    ],
    "1977": [
     81.17070313,
     87.07888002
    ],
    "1978": [
     79.41688195,
     85.51590134
    ],
    "1979": [
     77.38195537,
     83.8458078
    ],
    "1980": [
     76.67662048,
     83.31972472
    ],
    "1981": [
     78.16894839,
     85.27421536
    ],
    "1982": [
     81.34949597,
     89.27209421
    ],
    "1983": [
     84.36292164,
     92.89137875
    ],
    "1984": [
     84.90935909,
     93.98449338
    ],
    "1985": [
     83.10749853,
     92.33591943
    ],
    "1986": [
     80.51512356,
     89.52827736
    ],
    "1987": [
     78.3474734,
     87.43466469
    ],
    "1988": [
     77.18867901,
     86.38515311
    ],
    "1989": [
     76.74418625,
     86.14602842
    ],
    "1990": [
     76.78165687,
     86.49123953
    ],
    "1991": [
     76.97348798,
     87.04263288
    ],
    "1992": [
     77.26754061,
     87.72656075
    ],
    "1993": [
     77.46672168,
     88.16945107
    ],
    "1994": [
     77.14081078,
     88.02115913
    ],
    "1995": [
     75.9373754,
     86.63736239
    ],
    "1996": [
     73.44921129,
     84.06494266
    ],
    "1997": [
     69.94537567,
     79.86421480999999
    ],
    "1998": [
     65.44321692,
     75.06503475
    ],
    "1999": [
     61.18830357,
     70.47860325
    ],
    "2000": [
     58.87455824,
     67.90443208
    ],
    "2001": [
     59.09733658,
     68.3303267
    ],
    "2002": [
     61.55124543,
     71.12215475
    ],
    "2003": [
     64.26971291,
     74.28591
    ],
    "2004": [
     65.47828624,
     75.87654217
    ],
    "2005": [
     65.15214165,
     75.78523172
    ],
    "2006": [
     64.44370407,
     75.15820953
    ],
    "2007": [
     64.02828016,
     74.79636204
    ],
    "2008": [
     64.05236195,
     74.91630914
    ],
    "2009": [
     63.90883196,
     74.88216406
    ],
    "2010": [
     63.30751503,
     74.39466162
    ],
    "2011": [
     62.29044194,
     73.38911275
    ],
    "2012": [
     60.95628701,
     72.09862433
    ],
    "2013": [
     59.85591025,
     70.84717226
    ],
    "2014": [
     59.22796175,
     70.0160901
    ],
    "2015": [
     59.18251242,
     70.0390863
    ],
    "2016": [
     59.59184291,
     70.76912082
    ],
    "2017": [
     60.47353463,
     71.94063618
    ],
    "2018": [
     61.23448149,
     72.92786438
    ],
    "2019": [
     61.7679457,
     73.44190429
    ],
    "2020": [
     61.84985772,
     73.59911806
    ],
    "2021": [
     61.35029884,
     73.03501127
    ],
    "2022": [
     60.08858709,
     71.6213414
    ],
    "2023": [
     57.90686492,
     69.17105263
    ],
    "2024": [
     54.76319319,
     65.43283017
    ]
   },
   "Priority species, option 1": {
    "1970": [
     100.0,
     100.0
    ],
    "1971": [
     90.28930573,
     94.13227293
    ],
    "1972": [
     82.9209417,
     89.24516231
    ],
    "1973": [
     77.23468907,
     85.17055593
    ],
    "1974": [
     72.82137495,
     81.82800288
    ],
    "1975": [
     69.24110787,
     78.99569489
    ],
    "1976": [
     66.37834026,
     76.62004604
    ],
    "1977": [
     63.99367694,
     74.76338796
    ],
    "1978": [
     61.98790077,
     73.17178307
    ],
    "1979": [
     60.2575533,
     71.94565866
    ],
    "1980": [
     58.62550449,
     70.64200179
    ],
    "1981": [
     57.16902839,
     69.3697297
    ],
    "1982": [
     55.6960947,
     68.12042384
    ],
    "1983": [
     54.12783802,
     66.82069744
    ],
    "1984": [
     52.56974545,
     65.34100667
    ],
    "1985": [
     50.8664081,
     63.67767079
    ],
    "1986": [
     49.09032316,
     61.91670117
    ],
    "1987": [
     47.09334425,
     59.90956851
    ],
    "1988": [
     44.93790193,
     57.53556324
    ],
    "1989": [
     42.64908756,
     54.92432227
    ],
    "1990": [
     40.30258215,
     52.26893968
    ],
    "1991": [
     37.98077823,
     49.43777697
    ],
    "1992": [
     35.54300078,
     46.64662376
    ],
    "1993": [
     33.29056865,
     43.72616452
    ],
    "1994": [
     31.16263783,
     40.9866555
    ],
    "1995": [
     29.21378652,
     38.69486453
    ],
    "1996": [
     27.4759202,
     36.73757106
    ],
    "1997": [
     26.00293731,
     34.99611004
    ],
    "1998": [
     24.79690107,
     33.59360843
    ],
    "1999": [
     23.89503398,
     32.59254959
    ],
    "2000": [
     23.13793287,
     31.82322747
    ],
    "2001": [
     22.62632274,
     31.15070722
    ],
    "2002": [
     22.19057091,
     30.64132896
    ],
    "2003": [
     21.87212215,
     30.41710011
    ],
    "2004": [
     21.68536192,
     30.14842292
    ],
    "2005": [
     21.48511733,
     30.01527862
    ],
    "2006": [
     21.31940845,
     29.85575223
    ],
    "2007": [
     21.19370327,
     29.72372839
    ],
    "2008": [
     21.06199633,
     29.50046544
    ],
    "2009": [
     20.92271009,
     29.40815362
    ],
    "2010": [
     20.78585692,
     29.32223607
    ],
    "2011": [
     20.65144763,
     29.2782096
    ],
    "2012": [
     20.57014791,
     29.25369013
    ],
    "2013": [
     20.51072038,
     29.22740256
    ],
    "2014": [
     20.45860016,
     29.31024709
    ],
    "2015": [
     20.38536966,
     29.30870617
    ],
    "2016": [
     20.36041287,
     29.30590243
    ],
    "2017": [
     20.31008658,
     29.37228028
    ],
    "2018": [
     20.17855379,
     29.30469848
    ],
    "2019": [
     19.92926587,
     29.07367693
    ],
    "2020": [
     19.54390022,
     28.6724163
    ],
    "2021": [
     18.99811472,
     27.97866758
    ],
    "2022": [
     18.33954855,
     27.05573389
    ],
    "2023": [
     17.50417259,
     25.6515318
    ],
    "2024": [
     16.40139823,
     23.99936337
    ]
   },
   "Priority species, option 2": {
    "1970": [
     100.0,
     100.0
    ],
    "1971": [
     87.62789251,
     92.42127921
    ],
    "1972": [
     79.81642374,
     87.11149828
    ],
    "1973": [
     74.8718952,
     83.65955218
    ],
    "1974": [
     71.83344289,
     81.58456432
    ],
    "1975": [
     70.06157581,
     80.86252951
    ],
    "1976": [
     68.93460923,
     80.38814136
    ],
    "1977": [
     67.11155735,
     79.35221426
    ],
    "1978": [
     64.53864389,
     77.12443193
    ],
    "1979": [
     61.41987253,
     73.80221915
    ],
    "1980": [
     58.45211697,
     70.76487273
    ],
    "1981": [
     56.29913596,
     68.70050975
    ],
    "1982": [
     54.99347913,
     68.05129489
    ],
    "1983": [
     53.91805172,
     67.45510924
    ],
    "1984": [
     52.3047284,
     65.88712071
    ],
    "1985": [
     50.24956235,
     63.58042594
    ],
    "1986": [
     48.00886264,
     60.903086
    ],
    "1987": [
     45.97479292,
     58.49375626
    ],
    "1988": [
     43.90801216,
     56.10378135
    ],
    "1989": [
     42.08519659,
     53.92550668
    ],
    "1990": [
     40.37581387,
     51.85291268
    ],
    "1991": [
     38.49042198,
     49.88627371
    ],
    "1992": [
     36.68550621,
     48.01356385
    ],
    "1993": [
     34.83536426,
     46.01471969
    ],
    "1994": [
     32.92490642,
     43.73272415
    ],
    "1995": [
     30.64263913,
     41.01394948
    ],
    "1996": [
     28.2558323,
     37.97896922
    ],
    "1997": [
     25.96937591,
     35.02336584
    ],
    "1998": [
     23.95740497,
     32.45813112
    ],
    "1999": [
     22.36861069,
     30.45894645
    ],
    "2000": [
     21.58409468,
     29.47591741
    ],
    "2001": [
     21.65048054,
     29.57814756
    ],
    "2002": [
     22.12289938,
     30.33457515
    ],
    "2003": [
     22.47808561,
     30.92266483
    ],
    "2004": [
     22.37042569,
     30.72070738
    ],
    "2005": [
     21.68846448,
     29.96199556
    ],
    "2006": [
     21.06128397,
     29.13221171
    ],
    "2007": [
     20.75234039,
     28.79317393
    ],
    "2008": [
     20.82716725,
     29.07180649
    ],
    "2009": [
     21.16027309,
     29.80701674
    ],
    "2010": [
     21.62225655,
     30.58408471
    ],
    "2011": [
     21.83000644,
     31.0197135
    ],
    "2012": [
     21.48445361,
     30.68163021
    ],
    "2013": [
     20.75989842,
     29.80673435
    ],
    "2014": [
     19.86969628,
     28.65226457
    ],
    "2015": [
     19.27465641,
     27.79395861
    ],
    "2016": [
     19.09308085,
     27.64020078
    ],
    "2017": [
     19.21046131,
     27.86020794
    ],
    "2018": [
     19.4248405,
     28.35242055
    ],
    "2019": [
     19.57564362,
     28.61506207
    ],
    "2020": [
     19.65220537,
     28.79916395
    ],
    "2021": [
     19.29591099,
     28.44264629
    ],
    "2022": [
     18.60890155,
     27.54338838
    ],
    "2023": [
     17.58724332,
     25.95152433
    ],
    "2024": [
     16.0717814,
     23.80827572
    ]
   }
  },
  "govuk_page": "/government/statistics/indicators-of-species-abundance-in-england",
  "govuk_page_title": "Indicators of species abundance in England",
  "attachment_title": "Indicators of species abundance in England 1970 to 2024",
  "accreditation": "Official statistics in development: Defra's release says it is an official statistic in development, though GOV.UK types the page as official statistics"
 },
 "headline": {
  "label": "All species abundance, option 1 (1970 = 100)",
  "value": 60.31554551,
  "period": "2024",
  "note": "option 2 59.9; priority species 19.8 and 19.7"
 },
 "series": [
  {
   "name": "All species, option 1",
   "points": [
    {
     "x": "1970",
     "v": 100.0
    },
    {
     "x": "1971",
     "v": 93.08025345
    },
    {
     "x": "1972",
     "v": 88.11731567
    },
    {
     "x": "1973",
     "v": 84.66110551
    },
    {
     "x": "1974",
     "v": 82.38296731
    },
    {
     "x": "1975",
     "v": 81.03499351
    },
    {
     "x": "1976",
     "v": 80.42282394
    },
    {
     "x": "1977",
     "v": 80.38711913
    },
    {
     "x": "1978",
     "v": 80.79080527
    },
    {
     "x": "1979",
     "v": 81.51034379
    },
    {
     "x": "1980",
     "v": 82.43126151
    },
    {
     "x": "1981",
     "v": 83.44709762
    },
    {
     "x": "1982",
     "v": 84.45823647
    },
    {
     "x": "1983",
     "v": 85.37200053
    },
    {
     "x": "1984",
     "v": 86.10384739
    },
    {
     "x": "1985",
     "v": 86.57929768
    },
    {
     "x": "1986",
     "v": 86.73622028
    },
    {
     "x": "1987",
     "v": 86.52749122
    },
    {
     "x": "1988",
     "v": 85.92934188
    },
    {
     "x": "1989",
     "v": 84.94749001
    },
    {
     "x": "1990",
     "v": 83.61639345
    },
    {
     "x": "1991",
     "v": 81.99671179
    },
    {
     "x": "1992",
     "v": 80.17150979
    },
    {
     "x": "1993",
     "v": 78.24182827
    },
    {
     "x": "1994",
     "v": 76.32241218
    },
    {
     "x": "1995",
     "v": 74.53299166
    },
    {
     "x": "1996",
     "v": 72.96445104
    },
    {
     "x": "1997",
     "v": 71.67077984
    },
    {
     "x": "1998",
     "v": 70.67428049
    },
    {
     "x": "1999",
     "v": 69.96940683
    },
    {
     "x": "2000",
     "v": 69.52488194
    },
    {
     "x": "2001",
     "v": 69.28416792
    },
    {
     "x": "2002",
     "v": 69.16472728
    },
    {
     "x": "2003",
     "v": 69.07040095
    },
    {
     "x": "2004",
     "v": 68.92628958
    },
    {
     "x": "2005",
     "v": 68.68439402
    },
    {
     "x": "2006",
     "v": 68.32376395
    },
    {
     "x": "2007",
     "v": 67.85033481
    },
    {
     "x": "2008",
     "v": 67.29616636
    },
    {
     "x": "2009",
     "v": 66.71815894
    },
    {
     "x": "2010",
     "v": 66.19595838
    },
    {
     "x": "2011",
     "v": 65.80792755
    },
    {
     "x": "2012",
     "v": 65.6042588
    },
    {
     "x": "2013",
     "v": 65.6072446
    },
    {
     "x": "2014",
     "v": 65.81236284
    },
    {
     "x": "2015",
     "v": 66.18813866
    },
    {
     "x": "2016",
     "v": 66.67484872
    },
    {
     "x": "2017",
     "v": 67.1825354
    },
    {
     "x": "2018",
     "v": 67.59066563
    },
    {
     "x": "2019",
     "v": 67.76199547
    },
    {
     "x": "2020",
     "v": 67.55357391
    },
    {
     "x": "2021",
     "v": 66.82326501
    },
    {
     "x": "2022",
     "v": 65.43947329
    },
    {
     "x": "2023",
     "v": 63.29379731
    },
    {
     "x": "2024",
     "v": 60.31554551
    }
   ]
  },
  {
   "name": "All species, option 2",
   "points": [
    {
     "x": "1970",
     "v": 100.0
    },
    {
     "x": "1971",
     "v": 89.92965938
    },
    {
     "x": "1972",
     "v": 85.12555355
    },
    {
     "x": "1973",
     "v": 83.50609721
    },
    {
     "x": "1974",
     "v": 83.61737313
    },
    {
     "x": "1975",
     "v": 84.28251767
    },
    {
     "x": "1976",
     "v": 84.60424037
    },
    {
     "x": "1977",
     "v": 83.9792999
    },
    {
     "x": "1978",
     "v": 82.34090396
    },
    {
     "x": "1979",
     "v": 80.46671672
    },
    {
     "x": "1980",
     "v": 79.86105928
    },
    {
     "x": "1981",
     "v": 81.60677874
    },
    {
     "x": "1982",
     "v": 85.23222825
    },
    {
     "x": "1983",
     "v": 88.53223279
    },
    {
     "x": "1984",
     "v": 89.38416184
    },
    {
     "x": "1985",
     "v": 87.60529576
    },
    {
     "x": "1986",
     "v": 84.87274556
    },
    {
     "x": "1987",
     "v": 82.67767805
    },
    {
     "x": "1988",
     "v": 81.52203721
    },
    {
     "x": "1989",
     "v": 81.18093527
    },
    {
     "x": "1990",
     "v": 81.34587869
    },
    {
     "x": "1991",
     "v": 81.78307717
    },
    {
     "x": "1992",
     "v": 82.28783086
    },
    {
     "x": "1993",
     "v": 82.58053307
    },
    {
     "x": "1994",
     "v": 82.29058517
    },
    {
     "x": "1995",
     "v": 81.03169699
    },
    {
     "x": "1996",
     "v": 78.54338719
    },
    {
     "x": "1997",
     "v": 74.74304482
    },
    {
     "x": "1998",
     "v": 70.06576605
    },
    {
     "x": "1999",
     "v": 65.69615839
    },
    {
     "x": "2000",
     "v": 63.25149151
    },
    {
     "x": "2001",
     "v": 63.59919888
    },
    {
     "x": "2002",
     "v": 66.19397823
    },
    {
     "x": "2003",
     "v": 69.07395731
    },
    {
     "x": "2004",
     "v": 70.48945374
    },
    {
     "x": "2005",
     "v": 70.21542914
    },
    {
     "x": "2006",
     "v": 69.44739416
    },
    {
     "x": "2007",
     "v": 69.08219225
    },
    {
     "x": "2008",
     "v": 69.15866672
    },
    {
     "x": "2009",
     "v": 69.1126489
    },
    {
     "x": "2010",
     "v": 68.57264978
    },
    {
     "x": "2011",
     "v": 67.53644589
    },
    {
     "x": "2012",
     "v": 66.27091546
    },
    {
     "x": "2013",
     "v": 65.09870835
    },
    {
     "x": "2014",
     "v": 64.36311906
    },
    {
     "x": "2015",
     "v": 64.30442765
    },
    {
     "x": "2016",
     "v": 64.89259699
    },
    {
     "x": "2017",
     "v": 65.82230648
    },
    {
     "x": "2018",
     "v": 66.70561459
    },
    {
     "x": "2019",
     "v": 67.27001957
    },
    {
     "x": "2020",
     "v": 67.36874727
    },
    {
     "x": "2021",
     "v": 66.86966715
    },
    {
     "x": "2022",
     "v": 65.5910491
    },
    {
     "x": "2023",
     "v": 63.32736384
    },
    {
     "x": "2024",
     "v": 59.91192793
    }
   ]
  },
  {
   "name": "Priority species, option 1",
   "points": [
    {
     "x": "1970",
     "v": 100.0
    },
    {
     "x": "1971",
     "v": 92.17147693
    },
    {
     "x": "1972",
     "v": 85.98078257
    },
    {
     "x": "1973",
     "v": 81.05153601
    },
    {
     "x": "1974",
     "v": 77.09954138
    },
    {
     "x": "1975",
     "v": 73.90565674
    },
    {
     "x": "1976",
     "v": 71.29720918
    },
    {
     "x": "1977",
     "v": 69.13515469
    },
    {
     "x": "1978",
     "v": 67.3051773
    },
    {
     "x": "1979",
     "v": 65.71153141
    },
    {
     "x": "1980",
     "v": 64.27181958
    },
    {
     "x": "1981",
     "v": 62.91254453
    },
    {
     "x": "1982",
     "v": 61.5674973
    },
    {
     "x": "1983",
     "v": 60.17713049
    },
    {
     "x": "1984",
     "v": 58.68856546
    },
    {
     "x": "1985",
     "v": 57.05609748
    },
    {
     "x": "1986",
     "v": 55.24206136
    },
    {
     "x": "1987",
     "v": 53.2186376
    },
    {
     "x": "1988",
     "v": 50.98054102
    },
    {
     "x": "1989",
     "v": 48.5522567
    },
    {
     "x": "1990",
     "v": 45.98280047
    },
    {
     "x": "1991",
     "v": 43.33895093
    },
    {
     "x": "1992",
     "v": 40.69804594
    },
    {
     "x": "1993",
     "v": 38.14128793
    },
    {
     "x": "1994",
     "v": 35.748471
    },
    {
     "x": "1995",
     "v": 33.59126527
    },
    {
     "x": "1996",
     "v": 31.71278798
    },
    {
     "x": "1997",
     "v": 30.12802678
    },
    {
     "x": "1998",
     "v": 28.83238788
    },
    {
     "x": "1999",
     "v": 27.8077641
    },
    {
     "x": "2000",
     "v": 27.0262235
    },
    {
     "x": "2001",
     "v": 26.45167713
    },
    {
     "x": "2002",
     "v": 26.03999759
    },
    {
     "x": "2003",
     "v": 25.74348797
    },
    {
     "x": "2004",
     "v": 25.52334023
    },
    {
     "x": "2005",
     "v": 25.35017812
    },
    {
     "x": "2006",
     "v": 25.2030083
    },
    {
     "x": "2007",
     "v": 25.06864455
    },
    {
     "x": "2008",
     "v": 24.94137718
    },
    {
     "x": "2009",
     "v": 24.82274949
    },
    {
     "x": "2010",
     "v": 24.72120344
    },
    {
     "x": "2011",
     "v": 24.64608276
    },
    {
     "x": "2012",
     "v": 24.60061563
    },
    {
     "x": "2013",
     "v": 24.58162022
    },
    {
     "x": "2014",
     "v": 24.57953346
    },
    {
     "x": "2015",
     "v": 24.57836451
    },
    {
     "x": "2016",
     "v": 24.55566059
    },
    {
     "x": "2017",
     "v": 24.48263218
    },
    {
     "x": "2018",
     "v": 24.324933
    },
    {
     "x": "2019",
     "v": 24.04657282
    },
    {
     "x": "2020",
     "v": 23.61317267
    },
    {
     "x": "2021",
     "v": 22.99417186
    },
    {
     "x": "2022",
     "v": 22.16548116
    },
    {
     "x": "2023",
     "v": 21.1123816
    },
    {
     "x": "2024",
     "v": 19.83232846
    }
   ]
  },
  {
   "name": "Priority species, option 2",
   "points": [
    {
     "x": "1970",
     "v": 100.0
    },
    {
     "x": "1971",
     "v": 89.89207676
    },
    {
     "x": "1972",
     "v": 83.2288988
    },
    {
     "x": "1973",
     "v": 78.99479941
    },
    {
     "x": "1974",
     "v": 76.50651105
    },
    {
     "x": "1975",
     "v": 75.1995954
    },
    {
     "x": "1976",
     "v": 74.36332501
    },
    {
     "x": "1977",
     "v": 73.07639267
    },
    {
     "x": "1978",
     "v": 70.65744762
    },
    {
     "x": "1979",
     "v": 67.36737516
    },
    {
     "x": "1980",
     "v": 64.27398918
    },
    {
     "x": "1981",
     "v": 62.25545162
    },
    {
     "x": "1982",
     "v": 61.24459904
    },
    {
     "x": "1983",
     "v": 60.39356904
    },
    {
     "x": "1984",
     "v": 58.93155232
    },
    {
     "x": "1985",
     "v": 56.74479184
    },
    {
     "x": "1986",
     "v": 54.25972866
    },
    {
     "x": "1987",
     "v": 51.85936732
    },
    {
     "x": "1988",
     "v": 49.66767574
    },
    {
     "x": "1989",
     "v": 47.6281837
    },
    {
     "x": "1990",
     "v": 45.67893049
    },
    {
     "x": "1991",
     "v": 43.7931912
    },
    {
     "x": "1992",
     "v": 41.94686665
    },
    {
     "x": "1993",
     "v": 40.04492794
    },
    {
     "x": "1994",
     "v": 37.92780166
    },
    {
     "x": "1995",
     "v": 35.48654951
    },
    {
     "x": "1996",
     "v": 32.81974833
    },
    {
     "x": "1997",
     "v": 30.18421473
    },
    {
     "x": "1998",
     "v": 27.88172876
    },
    {
     "x": "1999",
     "v": 26.183264
    },
    {
     "x": "2000",
     "v": 25.3386915
    },
    {
     "x": "2001",
     "v": 25.38660601
    },
    {
     "x": "2002",
     "v": 25.99742808
    },
    {
     "x": "2003",
     "v": 26.46610588
    },
    {
     "x": "2004",
     "v": 26.28712077
    },
    {
     "x": "2005",
     "v": 25.55384108
    },
    {
     "x": "2006",
     "v": 24.82989578
    },
    {
     "x": "2007",
     "v": 24.51500253
    },
    {
     "x": "2008",
     "v": 24.69456989
    },
    {
     "x": "2009",
     "v": 25.21590541
    },
    {
     "x": "2010",
     "v": 25.81783159
    },
    {
     "x": "2011",
     "v": 26.13741243
    },
    {
     "x": "2012",
     "v": 25.85089799
    },
    {
     "x": "2013",
     "v": 24.99902243
    },
    {
     "x": "2014",
     "v": 23.99314525
    },
    {
     "x": "2015",
     "v": 23.28824233
    },
    {
     "x": "2016",
     "v": 23.04987561
    },
    {
     "x": "2017",
     "v": 23.19310344
    },
    {
     "x": "2018",
     "v": 23.52219291
    },
    {
     "x": "2019",
     "v": 23.83625853
    },
    {
     "x": "2020",
     "v": 23.92935792
    },
    {
     "x": "2021",
     "v": 23.62829202
    },
    {
     "x": "2022",
     "v": 22.83037991
    },
    {
     "x": "2023",
     "v": 21.51536664
    },
    {
     "x": "2024",
     "v": 19.71957096
    }
   ]
  }
 ]
}