year,IPC2
1850,5.66e-08
1851,5.66e-08
1852,5.66e-08
1853,5.66e-08
1854,5.66e-08
1855,5.66e-08
1856,5.66e-08
1857,5.66e-08
1858,5.66e-08
1859,5.66e-08
1860,5.66e-08
1861,5.66e-08
1862,5.66e-08
1863,5.66e-08
1864,5.66e-08
1865,5.66e-08
1866,5.66e-08
1867,5.6700000000000005e-08
1868,5.6700000000000005e-08
1869,5.6700000000000005e-08
1870,5.6700000000000005e-08
1871,5.6700000000000005e-08
1872,5.6700000000000005e-08
1873,5.6700000000000005e-08
1874,5.6700000000000005e-08
1875,5.6700000000000005e-08
1876,5.6700000000000005e-08
1877,5.6700000000000005e-08
1878,5.6700000000000005e-08
1879,5.6700000000000005e-08
1880,5.6700000000000005e-08
1881,5.6700000000000005e-08
1882,5.6700000000000005e-08
1883,5.6700000000000005e-08
1884,5.6700000000000005e-08
1885,5.6700000000000005e-08
1886,5.6700000000000005e-08
1887,5.6700000000000005e-08
1888,5.6700000000000005e-08
1889,5.6700000000000005e-08
1890,5.6700000000000005e-08
1891,6.49e-08
1892,8.74e-08
1893,1.22e-07
1894,1.64e-07
1895,2.13e-07
1896,2.65e-07
1897,3.1799999999999996e-07
1898,3.67e-07
1899,4.12e-07
1900,4.48e-07
1901,4.78e-07
1902,5.05e-07
1903,5.31e-07
1904,5.54e-07
1905,5.779999999999999e-07
1906,6.009999999999999e-07
1907,6.26e-07
1908,6.520000000000001e-07
1909,6.800000000000001e-07
1910,7.110000000000001e-07
1911,7.45e-07
1912,7.81e-07
1913,8.189999999999999e-07
1914,8.6e-07
1915,9.030000000000001e-07
1916,9.47e-07
1917,9.95e-07
1918,1.04e-06
1919,1.1e-06
1920,1.15e-06
1921,1.39e-06
1922,1.9699999999999998e-06
1923,2.83e-06
1924,3.88e-06
1925,5.0800000000000005e-06
1926,6.36e-06
1927,7.65e-06
1928,8.880000000000001e-06
1929,9.990000000000001e-06
1930,1.09e-05
1931,1.17e-05
1932,1.25e-05
1933,1.32e-05
1934,1.3899999999999999e-05
1935,1.46e-05
1936,1.53e-05
1937,1.6e-05
1938,1.67e-05
1939,1.7500000000000002e-05
1940,1.8200000000000002e-05
1941,2.01e-05
1942,2.4e-05
1943,2.95e-05
1944,3.6400000000000004e-05
1945,4.4200000000000004e-05
1946,5.2699999999999993e-05
1947,6.15e-05
1948,7.02e-05
1949,7.86e-05
1950,8.62e-05
1951,9.34e-05
1952,0.000101
1953,0.000108
1954,0.000116
1955,0.000123
1956,0.000131
1957,0.00013900000000000002
1958,0.000147
1959,0.000155
1960,0.000162
1961,0.00017
1962,0.000178
1963,0.000185
1964,0.000192
1965,0.0002
1966,0.000208
1967,0.000216
1968,0.000225
1969,0.000236
1970,0.000247
1971,0.00026700000000000004
1972,0.00030199999999999997
1973,0.000348
1974,0.00040300000000000004
1975,0.000465
1976,0.000531
1977,0.0005989999999999999
1978,0.000666
1979,0.0007289999999999999
1980,0.000786
1981,0.000844
1982,0.000909
1983,0.000978
1984,0.0010500000000000002
1985,0.0011200000000000001
1986,0.0011799999999999998
1987,0.00124
1988,0.00128
1989,0.00131
1990,0.0014399999999999999
1991,0.0015400000000000001
1992,0.00664
1993,0.0135
1994,0.0148
1995,0.0159
1996,0.0182
1997,0.0211
1998,0.023899999999999998
1999,0.0272
2000,0.0317
2001,0.0389
2002,0.0425
2003,0.0434
2004,0.0441
2005,0.0434
2006,0.0465
2007,0.0507
2008,0.0535
2009,0.055
2010,0.0574
2011,0.0606
2012,0.0632
2013,0.0665
2014,0.0708
2015,0.0722
2016,0.0713
2017,0.0742
2018,0.073