year,IPC2
1850,7.89e-08
1851,7.89e-08
1852,7.89e-08
1853,7.89e-08
1854,7.89e-08
1855,7.89e-08
1856,7.89e-08
1857,7.89e-08
1858,7.89e-08
1859,7.89e-08
1860,7.89e-08
1861,7.89e-08
1862,7.899999999999999e-08
1863,7.899999999999999e-08
1864,7.899999999999999e-08
1865,7.899999999999999e-08
1866,7.899999999999999e-08
1867,7.899999999999999e-08
1868,7.899999999999999e-08
1869,7.899999999999999e-08
1870,7.899999999999999e-08
1871,7.899999999999999e-08
1872,7.899999999999999e-08
1873,7.899999999999999e-08
1874,7.899999999999999e-08
1875,7.899999999999999e-08
1876,7.899999999999999e-08
1877,7.899999999999999e-08
1878,7.899999999999999e-08
1879,7.899999999999999e-08
1880,7.899999999999999e-08
1881,7.899999999999999e-08
1882,7.899999999999999e-08
1883,7.899999999999999e-08
1884,7.899999999999999e-08
1885,7.899999999999999e-08
1886,7.91e-08
1887,7.91e-08
1888,7.91e-08
1889,7.91e-08
1890,7.91e-08
1891,9.04e-08
1892,1.22e-07
1893,1.69e-07
1894,2.29e-07
1895,2.97e-07
1896,3.7e-07
1897,4.43e-07
1898,5.119999999999999e-07
1899,5.739999999999999e-07
1900,6.25e-07
1901,6.669999999999999e-07
1902,7.05e-07
1903,7.4e-07
1904,7.73e-07
1905,8.06e-07
1906,8.39e-07
1907,8.720000000000001e-07
1908,9.09e-07
1909,9.48e-07
1910,9.91e-07
1911,1.04e-06
1912,1.09e-06
1913,1.1399999999999999e-06
1914,1.2e-06
1915,1.26e-06
1916,1.32e-06
1917,1.39e-06
1918,1.46e-06
1919,1.53e-06
1920,1.6000000000000001e-06
1921,1.94e-06
1922,2.75e-06
1923,3.9399999999999995e-06
1924,5.420000000000001e-06
1925,7.09e-06
1926,8.87e-06
1927,1.07e-05
1928,1.24e-05
1929,1.3899999999999999e-05
1930,1.52e-05
1931,1.63e-05
1932,1.74e-05
1933,1.84e-05
1934,1.94e-05
1935,2.04e-05
1936,2.14e-05
1937,2.24e-05
1938,2.33e-05
1939,2.44e-05
1940,2.5399999999999997e-05
1941,2.65e-05
1942,2.76e-05
1943,2.87e-05
1944,2.99e-05
1945,3.12e-05
1946,3.2500000000000004e-05
1947,3.39e-05
1948,3.54e-05
1949,3.7e-05
1950,3.87e-05
1951,4.06e-05
1952,4.26e-05
1953,4.48e-05
1954,4.72e-05
1955,4.97e-05
1956,5.23e-05
1957,5.49e-05
1958,5.77e-05
1959,6.05e-05
1960,6.34e-05
1961,6.66e-05
1962,7.02e-05
1963,7.41e-05
1964,7.82e-05
1965,8.24e-05
1966,8.649999999999999e-05
1967,9.039999999999999e-05
1968,9.389999999999999e-05
1969,9.7e-05
1970,0.000178
1971,0.000176
1972,0.00022
1973,0.000352
1974,0.000356
1975,0.000431
1976,0.000508
1977,0.000616
1978,0.0006850000000000001
1979,0.000878
1980,0.00107
1981,0.000941
1982,0.000939
1983,0.0012900000000000001
1984,0.00124
1985,0.0016899999999999999
1986,0.00199
1987,0.00207
1988,0.00214
1989,0.00218
1990,0.00221
1991,0.0024500000000000004
1992,0.0026
1993,0.00244
1994,0.0023599999999999997
1995,0.0022299999999999998
1996,0.00217
1997,0.00146
1998,0.00164
1999,0.00145
2000,0.00106
2001,0.00083
2002,0.000986
2003,0.000991
2004,0.0008990000000000001
2005,0.000901
2006,0.000888
2007,0.0008539999999999999
2008,0.000833
2009,0.000594
2010,0.000553
2011,0.000455
2012,0.000472
2013,0.00041
2014,0.0003
2015,0.00023899999999999998
2016,0.000248
2017,0.000194
2018,0.00014000000000000001