| Year | Cumulative area (km2) | cumulative number of sites | Region |
|---|---|---|---|
| 1800 | 193 | 15 | EEA-38+UK |
| 1838 | 195 | 17 | EEA-38+UK |
| 1858 | 201 | 18 | EEA-38+UK |
| 1899 | 3066 | 22 | EEA-38+UK |
| 1900 | 3206 | 71 | EEA-38+UK |
| 1905 | 3207 | 72 | EEA-38+UK |
| 1909 | 3486 | 77 | EEA-38+UK |
| 1911 | 3486 | 79 | EEA-38+UK |
| 1912 | 3494 | 80 | EEA-38+UK |
| 1913 | 3494 | 84 | EEA-38+UK |
| 1914 | 3665 | 91 | EEA-38+UK |
| 1915 | 3665 | 95 | EEA-38+UK |
| 1916 | 3665 | 100 | EEA-38+UK |
| 1917 | 3665 | 115 | EEA-38+UK |
| 1918 | 4483 | 126 | EEA-38+UK |
| 1919 | 4483 | 136 | EEA-38+UK |
| 1920 | 4537 | 167 | EEA-38+UK |
| 1921 | 4701 | 224 | EEA-38+UK |
| 1922 | 5412 | 243 | EEA-38+UK |
| 1923 | 5913 | 275 | EEA-38+UK |
| 1924 | 6753 | 293 | EEA-38+UK |
| 1925 | 6762 | 314 | EEA-38+UK |
| 1926 | 6785 | 333 | EEA-38+UK |
| 1927 | 6794 | 344 | EEA-38+UK |
| 1928 | 6795 | 366 | EEA-38+UK |
| 1929 | 6854 | 392 | EEA-38+UK |
| 1930 | 6928 | 425 | EEA-38+UK |
| 1931 | 6981 | 461 | EEA-38+UK |
| 1932 | 7219 | 482 | EEA-38+UK |
| 1933 | 7330 | 582 | EEA-38+UK |
| 1934 | 7748 | 613 | EEA-38+UK |
| 1935 | 9087 | 660 | EEA-38+UK |
| 1936 | 9116 | 711 | EEA-38+UK |
| 1937 | 9167 | 842 | EEA-38+UK |
| 1938 | 9493 | 1019 | EEA-38+UK |
| 1939 | 10836 | 1189 | EEA-38+UK |
| 1940 | 11072 | 1298 | EEA-38+UK |
| 1941 | 11415 | 1383 | EEA-38+UK |
| 1942 | 11520 | 1434 | EEA-38+UK |
| 1943 | 11599 | 1462 | EEA-38+UK |
| 1944 | 11610 | 1494 | EEA-38+UK |
| 1945 | 11616 | 1535 | EEA-38+UK |
| 1946 | 11646 | 1624 | EEA-38+UK |
| 1947 | 11734 | 1697 | EEA-38+UK |
| 1948 | 11995 | 1806 | EEA-38+UK |
| 1949 | 13217 | 1898 | EEA-38+UK |
| 1950 | 13429 | 2001 | EEA-38+UK |
| 1951 | 22584 | 2129 | EEA-38+UK |
| 1952 | 24882 | 2268 | EEA-38+UK |
| 1953 | 25340 | 2460 | EEA-38+UK |
| 1954 | 30128 | 2726 | EEA-38+UK |
| 1955 | 35528 | 3005 | EEA-38+UK |
| 1956 | 42366 | 3239 | EEA-38+UK |
| 1957 | 43856 | 3491 | EEA-38+UK |
| 1958 | 87043 | 3739 | EEA-38+UK |
| 1959 | 90890 | 3963 | EEA-38+UK |
| 1960 | 92730 | 4208 | EEA-38+UK |
| 1961 | 93937 | 4659 | EEA-38+UK |
| 1962 | 96014 | 4924 | EEA-38+UK |
| 1963 | 101366 | 5202 | EEA-38+UK |
| 1964 | 103759 | 5502 | EEA-38+UK |
| 1965 | 106256 | 5772 | EEA-38+UK |
| 1966 | 109393 | 6008 | EEA-38+UK |
| 1967 | 114649 | 6347 | EEA-38+UK |
| 1968 | 118505 | 6823 | EEA-38+UK |
| 1969 | 122709 | 7145 | EEA-38+UK |
| 1970 | 141267 | 7559 | EEA-38+UK |
| 1971 | 148520 | 8053 | EEA-38+UK |
| 1972 | 157599 | 8518 | EEA-38+UK |
| 1973 | 169189 | 8999 | EEA-38+UK |
| 1974 | 179225 | 9608 | EEA-38+UK |
| 1975 | 189520 | 9953 | EEA-38+UK |
| 1976 | 197481 | 10522 | EEA-38+UK |
| 1977 | 210384 | 11213 | EEA-38+UK |
| 1978 | 213824 | 11778 | EEA-38+UK |
| 1979 | 224106 | 12366 | EEA-38+UK |
| 1980 | 243716 | 12996 | EEA-38+UK |
| 1981 | 262887 | 13820 | EEA-38+UK |
| 1982 | 271710 | 14678 | EEA-38+UK |
| 1983 | 285762 | 15780 | EEA-38+UK |
| 1984 | 292439 | 17285 | EEA-38+UK |
| 1985 | 305926 | 18786 | EEA-38+UK |
| 1986 | 333374 | 20452 | EEA-38+UK |
| 1987 | 349783 | 22034 | EEA-38+UK |
| 1988 | 379627 | 23539 | EEA-38+UK |
| 1989 | 414841 | 24905 | EEA-38+UK |
| 1990 | 447954 | 26773 | EEA-38+UK |
| 1991 | 486072 | 28491 | EEA-38+UK |
| 1992 | 541210 | 31246 | EEA-38+UK |
| 1993 | 554440 | 32675 | EEA-38+UK |
| 1994 | 569547 | 35077 | EEA-38+UK |
| 1995 | 597499 | 37115 | EEA-38+UK |
| 1996 | 613387 | 39350 | EEA-38+UK |
| 1997 | 644548 | 40876 | EEA-38+UK |
| 1998 | 679864 | 42848 | EEA-38+UK |
| 1999 | 719621 | 44618 | EEA-38+UK |
| 2000 | 746055 | 46669 | EEA-38+UK |
| 2001 | 765322 | 50434 | EEA-38+UK |
| 2002 | 795780 | 53527 | EEA-38+UK |
| 2003 | 823140 | 61763 | EEA-38+UK |
| 2004 | 865694 | 65801 | EEA-38+UK |
| 2005 | 895761 | 69711 | EEA-38+UK |
| 2006 | 924131 | 74191 | EEA-38+UK |
| 2007 | 941593 | 77062 | EEA-38+UK |
| 2008 | 956577 | 79906 | EEA-38+UK |
| 2009 | 998307 | 83393 | EEA-38+UK |
| 2010 | 1017511 | 88588 | EEA-38+UK |
| 2011 | 1153926 | 92290 | EEA-38+UK |
| 2012 | 1164812 | 94266 | EEA-38+UK |
| 2013 | 1181387 | 96362 | EEA-38+UK |
| 2014 | 1263094 | 99023 | EEA-38+UK |
| 2015 | 1295673 | 100981 | EEA-38+UK |
| 2016 | 1477174 | 102883 | EEA-38+UK |
| 2017 | 1520369 | 105980 | EEA-38+UK |
| 2018 | 1747949 | 114201 | EEA-38+UK |
| 2019 | 1773789 | 116961 | EEA-38+UK |
| 2020 | 1775402 | 116994 | EEA-38+UK |
| 1800 | 193.4246 | 15 | EU-27_2020 + UK |
| 1838 | 194.532672 | 17 | EU-27_2020 + UK |
| 1858 | 201.391385 | 18 | EU-27_2020 + UK |
| 1899 | 3066.253746 | 22 | EU-27_2020 + UK |
| 1900 | 3132.015598 | 26 | EU-27_2020 + UK |
| 1905 | 3132.591854 | 27 | EU-27_2020 + UK |
| 1909 | 3412.337554 | 32 | EU-27_2020 + UK |
| 1911 | 3412.337554 | 34 | EU-27_2020 + UK |
| 1912 | 3420.487563 | 35 | EU-27_2020 + UK |
| 1913 | 3420.512263 | 39 | EU-27_2020 + UK |
| 1914 | 3420.512263 | 43 | EU-27_2020 + UK |
| 1915 | 3420.512263 | 46 | EU-27_2020 + UK |
| 1916 | 3420.570263 | 50 | EU-27_2020 + UK |
| 1917 | 3420.570763 | 60 | EU-27_2020 + UK |
| 1918 | 4238.891905 | 69 | EU-27_2020 + UK |
| 1919 | 4238.898805 | 78 | EU-27_2020 + UK |
| 1920 | 4292.652036 | 106 | EU-27_2020 + UK |
| 1921 | 4456.333471 | 158 | EU-27_2020 + UK |
| 1922 | 5166.943499 | 176 | EU-27_2020 + UK |
| 1923 | 5668.38993 | 205 | EU-27_2020 + UK |
| 1924 | 5668.727833 | 219 | EU-27_2020 + UK |
| 1925 | 5677.714344 | 238 | EU-27_2020 + UK |
| 1926 | 5700.762492 | 257 | EU-27_2020 + UK |
| 1927 | 5709.548106 | 268 | EU-27_2020 + UK |
| 1928 | 5710.340529 | 288 | EU-27_2020 + UK |
| 1929 | 5766.976358 | 312 | EU-27_2020 + UK |
| 1930 | 5812.272829 | 335 | EU-27_2020 + UK |
| 1931 | 5865.063692 | 362 | EU-27_2020 + UK |
| 1932 | 6103.13318 | 380 | EU-27_2020 + UK |
| 1933 | 6214.075333 | 473 | EU-27_2020 + UK |
| 1934 | 6631.979349 | 501 | EU-27_2020 + UK |
| 1935 | 7963.83292 | 544 | EU-27_2020 + UK |
| 1936 | 7992.210782 | 588 | EU-27_2020 + UK |
| 1937 | 8027.105519 | 718 | EU-27_2020 + UK |
| 1938 | 8353.151797 | 894 | EU-27_2020 + UK |
| 1939 | 9695.732028 | 1062 | EU-27_2020 + UK |
| 1940 | 9931.916216 | 1171 | EU-27_2020 + UK |
| 1941 | 10275.15694 | 1256 | EU-27_2020 + UK |
| 1942 | 10379.86533 | 1306 | EU-27_2020 + UK |
| 1943 | 10459.07376 | 1334 | EU-27_2020 + UK |
| 1944 | 10469.64433 | 1365 | EU-27_2020 + UK |
| 1945 | 10475.37464 | 1406 | EU-27_2020 + UK |
| 1946 | 10494.80672 | 1494 | EU-27_2020 + UK |
| 1947 | 10582.07386 | 1560 | EU-27_2020 + UK |
| 1948 | 10671.83917 | 1666 | EU-27_2020 + UK |
| 1949 | 11157.79572 | 1748 | EU-27_2020 + UK |
| 1950 | 11300.36255 | 1842 | EU-27_2020 + UK |
| 1951 | 20346.28718 | 1956 | EU-27_2020 + UK |
| 1952 | 22199.07769 | 2085 | EU-27_2020 + UK |
| 1953 | 22656.57646 | 2272 | EU-27_2020 + UK |
| 1954 | 27435.77423 | 2525 | EU-27_2020 + UK |
| 1955 | 32318.76286 | 2790 | EU-27_2020 + UK |
| 1956 | 39083.32577 | 3014 | EU-27_2020 + UK |
| 1957 | 40471.57532 | 3252 | EU-27_2020 + UK |
| 1958 | 42013.15792 | 3485 | EU-27_2020 + UK |
| 1959 | 45672.29893 | 3688 | EU-27_2020 + UK |
| 1960 | 47233.21645 | 3917 | EU-27_2020 + UK |
| 1961 | 48061.22443 | 4330 | EU-27_2020 + UK |
| 1962 | 49972.86078 | 4587 | EU-27_2020 + UK |
| 1963 | 55308.68418 | 4845 | EU-27_2020 + UK |
| 1964 | 57672.08983 | 5120 | EU-27_2020 + UK |
| 1965 | 59801.63401 | 5364 | EU-27_2020 + UK |
| 1966 | 62579.29515 | 5587 | EU-27_2020 + UK |
| 1967 | 67788.22628 | 5895 | EU-27_2020 + UK |
| 1968 | 71516.57489 | 6301 | EU-27_2020 + UK |
| 1969 | 75057.27907 | 6557 | EU-27_2020 + UK |
| 1970 | 92513.71588 | 6923 | EU-27_2020 + UK |
| 1971 | 96850.68247 | 7368 | EU-27_2020 + UK |
| 1972 | 105571.868 | 7798 | EU-27_2020 + UK |
| 1973 | 116649.4872 | 8244 | EU-27_2020 + UK |
| 1974 | 125665.604 | 8806 | EU-27_2020 + UK |
| 1975 | 134436.1906 | 9120 | EU-27_2020 + UK |
| 1976 | 142256.918 | 9620 | EU-27_2020 + UK |
| 1977 | 154037.9624 | 10269 | EU-27_2020 + UK |
| 1978 | 157285.0956 | 10730 | EU-27_2020 + UK |
| 1979 | 166003.3251 | 11261 | EU-27_2020 + UK |
| 1980 | 185535.3059 | 11764 | EU-27_2020 + UK |
| 1981 | 199219.8364 | 12468 | EU-27_2020 + UK |
| 1982 | 207481.2408 | 13210 | EU-27_2020 + UK |
| 1983 | 220512.8631 | 14120 | EU-27_2020 + UK |
| 1984 | 226388.1203 | 15445 | EU-27_2020 + UK |
| 1985 | 238968.5269 | 16827 | EU-27_2020 + UK |
| 1986 | 265175.3818 | 18381 | EU-27_2020 + UK |
| 1987 | 280081.7443 | 19753 | EU-27_2020 + UK |
| 1988 | 306331.0501 | 20987 | EU-27_2020 + UK |
| 1989 | 337887.082 | 22219 | EU-27_2020 + UK |
| 1990 | 359743.1445 | 23722 | EU-27_2020 + UK |
| 1991 | 395544.6887 | 24768 | EU-27_2020 + UK |
| 1992 | 444522.9317 | 26518 | EU-27_2020 + UK |
| 1993 | 455723.0681 | 27700 | EU-27_2020 + UK |
| 1994 | 467526.2102 | 29273 | EU-27_2020 + UK |
| 1995 | 493324.459 | 30782 | EU-27_2020 + UK |
| 1996 | 507694.9266 | 32335 | EU-27_2020 + UK |
| 1997 | 533748.191 | 33701 | EU-27_2020 + UK |
| 1998 | 566522.8607 | 35411 | EU-27_2020 + UK |
| 1999 | 604926.2136 | 37007 | EU-27_2020 + UK |
| 2000 | 627767.1791 | 38907 | EU-27_2020 + UK |
| 2001 | 642877.9825 | 41800 | EU-27_2020 + UK |
| 2002 | 666389.4697 | 43867 | EU-27_2020 + UK |
| 2003 | 685989.8048 | 51763 | EU-27_2020 + UK |
| 2004 | 710923.3766 | 54910 | EU-27_2020 + UK |
| 2005 | 728561.7188 | 58618 | EU-27_2020 + UK |
| 2006 | 746752.4399 | 62925 | EU-27_2020 + UK |
| 2007 | 763002.6345 | 65516 | EU-27_2020 + UK |
| 2008 | 775172.7697 | 68157 | EU-27_2020 + UK |
| 2009 | 811044.6079 | 71368 | EU-27_2020 + UK |
| 2010 | 826406.3959 | 73347 | EU-27_2020 + UK |
| 2011 | 953398.6938 | 76316 | EU-27_2020 + UK |
| 2012 | 962473.758 | 78201 | EU-27_2020 + UK |
| 2013 | 977656.3571 | 80076 | EU-27_2020 + UK |
| 2014 | 1056820.76 | 82574 | EU-27_2020 + UK |
| 2015 | 1084039.136 | 84221 | EU-27_2020 + UK |
| 2016 | 1261620.302 | 85918 | EU-27_2020 + UK |
| 2017 | 1293905.196 | 87776 | EU-27_2020 + UK |
| 2018 | 1366999.213 | 92106 | EU-27_2020 + UK |
| 2019 | 1390338.389 | 94644 | EU-27_2020 + UK |
| 2020 | 1391951.638 | 94677 | EU-27_2020 + UK |