year,series_key,series_label,unit,value 1895,fraction_area,Fraction of Area >=2.0,percent of land area,0 1895,moving_average,9-yr Moving Average,percent of land area,0.003849869 1896,fraction_area,Fraction of Area >=2.0,percent of land area,0.01025769 1896,moving_average,9-yr Moving Average,percent of land area,0.006076364 1897,fraction_area,Fraction of Area >=2.0,percent of land area,0.014623875 1897,moving_average,9-yr Moving Average,percent of land area,0.006628166 1898,fraction_area,Fraction of Area >=2.0,percent of land area,0 1898,moving_average,9-yr Moving Average,percent of land area,0.005600379 1899,fraction_area,Fraction of Area >=2.0,percent of land area,0.001667263 1899,moving_average,9-yr Moving Average,percent of land area,0.004838556 1900,fraction_area,Fraction of Area >=2.0,percent of land area,0.005235716 1900,moving_average,9-yr Moving Average,percent of land area,0.005269209 1901,fraction_area,Fraction of Area >=2.0,percent of land area,0.010139568 1901,moving_average,9-yr Moving Average,percent of land area,0.00601775 1902,fraction_area,Fraction of Area >=2.0,percent of land area,0.006461266 1902,moving_average,9-yr Moving Average,percent of land area,0.007279498 1903,fraction_area,Fraction of Area >=2.0,percent of land area,0.001633845 1903,moving_average,9-yr Moving Average,percent of land area,0.012043633 1904,fraction_area,Fraction of Area >=2.0,percent of land area,0 1904,moving_average,9-yr Moving Average,percent of land area,0.021622537 1905,fraction_area,Fraction of Area >=2.0,percent of land area,0.068688338 1905,moving_average,9-yr Moving Average,percent of land area,0.030688094 1906,fraction_area,Fraction of Area >=2.0,percent of land area,0.042506778 1906,moving_average,9-yr Moving Average,percent of land area,0.032140968 1907,fraction_area,Fraction of Area >=2.0,percent of land area,0.016181289 1907,moving_average,9-yr Moving Average,percent of land area,0.026117973 1908,fraction_area,Fraction of Area >=2.0,percent of land area,0.010419486 1908,moving_average,9-yr Moving Average,percent of land area,0.018504751 1909,fraction_area,Fraction of Area >=2.0,percent of land area,0.023579584 1909,moving_average,9-yr Moving Average,percent of land area,0.012758181 1910,fraction_area,Fraction of Area >=2.0,percent of land area,0 1910,moving_average,9-yr Moving Average,percent of land area,0.008581948 1911,fraction_area,Fraction of Area >=2.0,percent of land area,0.00450449 1911,moving_average,9-yr Moving Average,percent of land area,0.005886332 1912,fraction_area,Fraction of Area >=2.0,percent of land area,0.005511002 1912,moving_average,9-yr Moving Average,percent of land area,0.006249583 1913,fraction_area,Fraction of Area >=2.0,percent of land area,0 1913,moving_average,9-yr Moving Average,percent of land area,0.011236849 1914,fraction_area,Fraction of Area >=2.0,percent of land area,0.006259765 1914,moving_average,9-yr Moving Average,percent of land area,0.018728017 1915,fraction_area,Fraction of Area >=2.0,percent of land area,0.073126984 1915,moving_average,9-yr Moving Average,percent of land area,0.022260434 1916,fraction_area,Fraction of Area >=2.0,percent of land area,0.002526207 1916,moving_average,9-yr Moving Average,percent of land area,0.018622872 1917,fraction_area,Fraction of Area >=2.0,percent of land area,0 1917,moving_average,9-yr Moving Average,percent of land area,0.013072639 1918,fraction_area,Fraction of Area >=2.0,percent of land area,0 1918,moving_average,9-yr Moving Average,percent of land area,0.011314474 1919,fraction_area,Fraction of Area >=2.0,percent of land area,0.039175229 1919,moving_average,9-yr Moving Average,percent of land area,0.011705049 1920,fraction_area,Fraction of Area >=2.0,percent of land area,0.001323487 1920,moving_average,9-yr Moving Average,percent of land area,0.011143226 1921,fraction_area,Fraction of Area >=2.0,percent of land area,0 1921,moving_average,9-yr Moving Average,percent of land area,0.011686115 1922,fraction_area,Fraction of Area >=2.0,percent of land area,0.003625363 1922,moving_average,9-yr Moving Average,percent of land area,0.014997819 1923,fraction_area,Fraction of Area >=2.0,percent of land area,0.057771552 1923,moving_average,9-yr Moving Average,percent of land area,0.01708634 1924,fraction_area,Fraction of Area >=2.0,percent of land area,0 1924,moving_average,9-yr Moving Average,percent of land area,0.015495722 1925,fraction_area,Fraction of Area >=2.0,percent of land area,0 1925,moving_average,9-yr Moving Average,percent of land area,0.015334164 1926,fraction_area,Fraction of Area >=2.0,percent of land area,0 1926,moving_average,9-yr Moving Average,percent of land area,0.020841801 1927,fraction_area,Fraction of Area >=2.0,percent of land area,0.077310859 1927,moving_average,9-yr Moving Average,percent of land area,0.027049654 1928,fraction_area,Fraction of Area >=2.0,percent of land area,0.010377465 1928,moving_average,9-yr Moving Average,percent of land area,0.026587372 1929,fraction_area,Fraction of Area >=2.0,percent of land area,0.031215775 1929,moving_average,9-yr Moving Average,percent of land area,0.019367065 1930,fraction_area,Fraction of Area >=2.0,percent of land area,0 1930,moving_average,9-yr Moving Average,percent of land area,0.010878933 1931,fraction_area,Fraction of Area >=2.0,percent of land area,0 1931,moving_average,9-yr Moving Average,percent of land area,0.005406238 1932,fraction_area,Fraction of Area >=2.0,percent of land area,0.002453084 1932,moving_average,9-yr Moving Average,percent of land area,0.003478287 1933,fraction_area,Fraction of Area >=2.0,percent of land area,0.007397633 1933,moving_average,9-yr Moving Average,percent of land area,0.003367324 1934,fraction_area,Fraction of Area >=2.0,percent of land area,0 1934,moving_average,9-yr Moving Average,percent of land area,0.003571616 1935,fraction_area,Fraction of Area >=2.0,percent of land area,0.005118257 1935,moving_average,9-yr Moving Average,percent of land area,0.003864281 1936,fraction_area,Fraction of Area >=2.0,percent of land area,0.003408311 1936,moving_average,9-yr Moving Average,percent of land area,0.004401296 1937,fraction_area,Fraction of Area >=2.0,percent of land area,0.005034546 1937,moving_average,9-yr Moving Average,percent of land area,0.005743669 1938,fraction_area,Fraction of Area >=2.0,percent of land area,0.009048353 1938,moving_average,9-yr Moving Average,percent of land area,0.011935735 1939,fraction_area,Fraction of Area >=2.0,percent of land area,0 1939,moving_average,9-yr Moving Average,percent of land area,0.029511802 1940,fraction_area,Fraction of Area >=2.0,percent of land area,0.004605075 1940,moving_average,9-yr Moving Average,percent of land area,0.054700489 1941,fraction_area,Fraction of Area >=2.0,percent of land area,0.232838503 1941,moving_average,9-yr Moving Average,percent of land area,0.067835914 1942,fraction_area,Fraction of Area >=2.0,percent of land area,0.012199907 1942,moving_average,9-yr Moving Average,percent of land area,0.055862716 1943,fraction_area,Fraction of Area >=2.0,percent of land area,0 1943,moving_average,9-yr Moving Average,percent of land area,0.031552378 1944,fraction_area,Fraction of Area >=2.0,percent of land area,0.003377871 1944,moving_average,9-yr Moving Average,percent of land area,0.015478664 1945,fraction_area,Fraction of Area >=2.0,percent of land area,0.021775339 1945,moving_average,9-yr Moving Average,percent of land area,0.012331491 1946,fraction_area,Fraction of Area >=2.0,percent of land area,0.001131913 1946,moving_average,9-yr Moving Average,percent of land area,0.015014391 1947,fraction_area,Fraction of Area >=2.0,percent of land area,0.029969712 1947,moving_average,9-yr Moving Average,percent of land area,0.017538251 1948,fraction_area,Fraction of Area >=2.0,percent of land area,0.026306299 1948,moving_average,9-yr Moving Average,percent of land area,0.018112465 1949,fraction_area,Fraction of Area >=2.0,percent of land area,0 1949,moving_average,9-yr Moving Average,percent of land area,0.017754977 1950,fraction_area,Fraction of Area >=2.0,percent of land area,0.023370803 1950,moving_average,9-yr Moving Average,percent of land area,0.017384739 1951,fraction_area,Fraction of Area >=2.0,percent of land area,0.031673702 1951,moving_average,9-yr Moving Average,percent of land area,0.015776273 1952,fraction_area,Fraction of Area >=2.0,percent of land area,0 1952,moving_average,9-yr Moving Average,percent of land area,0.012243446 1953,fraction_area,Fraction of Area >=2.0,percent of land area,0.006510235 1953,moving_average,9-yr Moving Average,percent of land area,0.008723077 1954,fraction_area,Fraction of Area >=2.0,percent of land area,0.011261886 1954,moving_average,9-yr Moving Average,percent of land area,0.007863369 1955,fraction_area,Fraction of Area >=2.0,percent of land area,0 1955,moving_average,9-yr Moving Average,percent of land area,0.011336452 1956,fraction_area,Fraction of Area >=2.0,percent of land area,0 1956,moving_average,9-yr Moving Average,percent of land area,0.017877744 1957,fraction_area,Fraction of Area >=2.0,percent of land area,0.072895705 1957,moving_average,9-yr Moving Average,percent of land area,0.022129535 1958,fraction_area,Fraction of Area >=2.0,percent of land area,0.000191244 1958,moving_average,9-yr Moving Average,percent of land area,0.020133543 1959,fraction_area,Fraction of Area >=2.0,percent of land area,0.014896182 1959,moving_average,9-yr Moving Average,percent of land area,0.014619561 1960,fraction_area,Fraction of Area >=2.0,percent of land area,0.002603962 1960,moving_average,9-yr Moving Average,percent of land area,0.01048406 1961,fraction_area,Fraction of Area >=2.0,percent of land area,0.017221881 1961,moving_average,9-yr Moving Average,percent of land area,0.009219646 1962,fraction_area,Fraction of Area >=2.0,percent of land area,0.002506354 1962,moving_average,9-yr Moving Average,percent of land area,0.010750756 1963,fraction_area,Fraction of Area >=2.0,percent of land area,0 1963,moving_average,9-yr Moving Average,percent of land area,0.014716962 1964,fraction_area,Fraction of Area >=2.0,percent of land area,0.044332198 1964,moving_average,9-yr Moving Average,percent of land area,0.017914485 1965,fraction_area,Fraction of Area >=2.0,percent of land area,0.022343777 1965,moving_average,9-yr Moving Average,percent of land area,0.016467542 1966,fraction_area,Fraction of Area >=2.0,percent of land area,0 1966,moving_average,9-yr Moving Average,percent of land area,0.011388921 1967,fraction_area,Fraction of Area >=2.0,percent of land area,0.0010171 1967,moving_average,9-yr Moving Average,percent of land area,0.006996673 1968,fraction_area,Fraction of Area >=2.0,percent of land area,0.012908966 1968,moving_average,9-yr Moving Average,percent of land area,0.004914099 1969,fraction_area,Fraction of Area >=2.0,percent of land area,0 1969,moving_average,9-yr Moving Average,percent of land area,0.004288986 1970,fraction_area,Fraction of Area >=2.0,percent of land area,0.002095742 1970,moving_average,9-yr Moving Average,percent of land area,0.006279896 1971,fraction_area,Fraction of Area >=2.0,percent of land area,0 1971,moving_average,9-yr Moving Average,percent of land area,0.0133805 1972,fraction_area,Fraction of Area >=2.0,percent of land area,0.015660827 1972,moving_average,9-yr Moving Average,percent of land area,0.023717918 1973,fraction_area,Fraction of Area >=2.0,percent of land area,0.081607561 1973,moving_average,9-yr Moving Average,percent of land area,0.030430993 1974,fraction_area,Fraction of Area >=2.0,percent of land area,0 1974,moving_average,9-yr Moving Average,percent of land area,0.029494213 1975,fraction_area,Fraction of Area >=2.0,percent of land area,0.041739486 1975,moving_average,9-yr Moving Average,percent of land area,0.025086779 1976,fraction_area,Fraction of Area >=2.0,percent of land area,0 1976,moving_average,9-yr Moving Average,percent of land area,0.024519275 1977,fraction_area,Fraction of Area >=2.0,percent of land area,0.015326978 1977,moving_average,9-yr Moving Average,percent of land area,0.028957484 1978,fraction_area,Fraction of Area >=2.0,percent of land area,0.07986916 1978,moving_average,9-yr Moving Average,percent of land area,0.031437905 1979,fraction_area,Fraction of Area >=2.0,percent of land area,0.022044338 1979,moving_average,9-yr Moving Average,percent of land area,0.027032948 1980,fraction_area,Fraction of Area >=2.0,percent of land area,0 1980,moving_average,9-yr Moving Average,percent of land area,0.023295432 1981,fraction_area,Fraction of Area >=2.0,percent of land area,0 1981,moving_average,9-yr Moving Average,percent of land area,0.032371109 1982,fraction_area,Fraction of Area >=2.0,percent of land area,0.030553039 1982,moving_average,9-yr Moving Average,percent of land area,0.051029876 1983,fraction_area,Fraction of Area >=2.0,percent of land area,0.189338779 1983,moving_average,9-yr Moving Average,percent of land area,0.060170731 1984,fraction_area,Fraction of Area >=2.0,percent of land area,0 1984,moving_average,9-yr Moving Average,percent of land area,0.049963989 1985,fraction_area,Fraction of Area >=2.0,percent of land area,0.003026154 1985,moving_average,9-yr Moving Average,percent of land area,0.031594674 1986,fraction_area,Fraction of Area >=2.0,percent of land area,0.041530706 1986,moving_average,9-yr Moving Average,percent of land area,0.018357323 1987,fraction_area,Fraction of Area >=2.0,percent of land area,0 1987,moving_average,9-yr Moving Average,percent of land area,0.012020902 1988,fraction_area,Fraction of Area >=2.0,percent of land area,0 1988,moving_average,9-yr Moving Average,percent of land area,0.010931687 1989,fraction_area,Fraction of Area >=2.0,percent of land area,0.004776135 1989,moving_average,9-yr Moving Average,percent of land area,0.015014592 1990,fraction_area,Fraction of Area >=2.0,percent of land area,0.039388311 1990,moving_average,9-yr Moving Average,percent of land area,0.021797212 1991,fraction_area,Fraction of Area >=2.0,percent of land area,0.028721994 1991,moving_average,9-yr Moving Average,percent of land area,0.02762313 1992,fraction_area,Fraction of Area >=2.0,percent of land area,0.011330707 1992,moving_average,9-yr Moving Average,percent of land area,0.031144573 1993,fraction_area,Fraction of Area >=2.0,percent of land area,0.073527339 1993,moving_average,9-yr Moving Average,percent of land area,0.03280357 1994,fraction_area,Fraction of Area >=2.0,percent of land area,0 1994,moving_average,9-yr Moving Average,percent of land area,0.03453516 1995,fraction_area,Fraction of Area >=2.0,percent of land area,0.0282194 1995,moving_average,9-yr Moving Average,percent of land area,0.038232853 1996,fraction_area,Fraction of Area >=2.0,percent of land area,0.087061653 1996,moving_average,9-yr Moving Average,percent of land area,0.04188977 1997,fraction_area,Fraction of Area >=2.0,percent of land area,0.005545743 1997,moving_average,9-yr Moving Average,percent of land area,0.040929849 1998,fraction_area,Fraction of Area >=2.0,percent of land area,0.074667193 1998,moving_average,9-yr Moving Average,percent of land area,0.03335724 1999,fraction_area,Fraction of Area >=2.0,percent of land area,0.006048338 1999,moving_average,9-yr Moving Average,percent of land area,0.021555908 2000,fraction_area,Fraction of Area >=2.0,percent of land area,0 2000,moving_average,9-yr Moving Average,percent of land area,0.011236858 2001,fraction_area,Fraction of Area >=2.0,percent of land area,0 2001,moving_average,9-yr Moving Average,percent of land area,0.008219731 2002,fraction_area,Fraction of Area >=2.0,percent of land area,0 2002,moving_average,9-yr Moving Average,percent of land area,0.013473731 2003,fraction_area,Fraction of Area >=2.0,percent of land area,0.033572576 2003,moving_average,9-yr Moving Average,percent of land area,0.021503408 2004,fraction_area,Fraction of Area >=2.0,percent of land area,0.047239238 2004,moving_average,9-yr Moving Average,percent of land area,0.02537206 2005,fraction_area,Fraction of Area >=2.0,percent of land area,0.014068341 2005,moving_average,9-yr Moving Average,percent of land area,0.023971496 2006,fraction_area,Fraction of Area >=2.0,percent of land area,0.010911492 2006,moving_average,9-yr Moving Average,percent of land area,0.022379738 2007,fraction_area,Fraction of Area >=2.0,percent of land area,0.022140953 2007,moving_average,9-yr Moving Average,percent of land area,0.024645738 2008,fraction_area,Fraction of Area >=2.0,percent of land area,0.037959937 2008,moving_average,9-yr Moving Average,percent of land area,0.030140085 2009,fraction_area,Fraction of Area >=2.0,percent of land area,0.031819947 2009,moving_average,9-yr Moving Average,percent of land area,0.036763116 2010,fraction_area,Fraction of Area >=2.0,percent of land area,0.02897081 2010,moving_average,9-yr Moving Average,percent of land area,0.041976411 2011,fraction_area,Fraction of Area >=2.0,percent of land area,0.094517188 2011,moving_average,9-yr Moving Average,percent of land area,0.041966244 2012,fraction_area,Fraction of Area >=2.0,percent of land area,0.004227881 2012,moving_average,9-yr Moving Average,percent of land area,0.036593479 2013,fraction_area,Fraction of Area >=2.0,percent of land area,0.034228364 2013,moving_average,9-yr Moving Average,percent of land area,0.032358713 2014,fraction_area,Fraction of Area >=2.0,percent of land area,0 2014,moving_average,9-yr Moving Average,percent of land area,0.03398203 2015,fraction_area,Fraction of Area >=2.0,percent of land area,0.09285555 2015,moving_average,9-yr Moving Average,percent of land area,0.038866849 2016,fraction_area,Fraction of Area >=2.0,percent of land area,0.015681341 2016,moving_average,9-yr Moving Average,percent of land area,0.045836126 2017,fraction_area,Fraction of Area >=2.0,percent of land area,0.015609873 2017,moving_average,9-yr Moving Average,percent of land area,0.058536491 2018,fraction_area,Fraction of Area >=2.0,percent of land area,0.115254914 2018,moving_average,9-yr Moving Average,percent of land area,0.072652403 2019,fraction_area,Fraction of Area >=2.0,percent of land area,0.126019499 2019,moving_average,9-yr Moving Average,percent of land area,0.073593034 2020,fraction_area,Fraction of Area >=2.0,percent of land area,0.048942236 2020,moving_average,9-yr Moving Average,percent of land area,0.055454187 2021,fraction_area,Fraction of Area >=2.0,percent of land area,0.005952716 2021,moving_average,9-yr Moving Average,percent of land area,0.029975378 2022,fraction_area,Fraction of Area >=2.0,percent of land area,0 2022,moving_average,9-yr Moving Average,percent of land area,0.011534913 2023,fraction_area,Fraction of Area >=2.0,percent of land area,0.001352604 2023,moving_average,9-yr Moving Average,percent of land area,0.003534015