year,IPC2
1850,7.73e-11
1851,7.73e-11
1852,7.73e-11
1853,7.73e-11
1854,7.73e-11
1855,7.73e-11
1856,7.73e-11
1857,7.73e-11
1858,7.73e-11
1859,7.73e-11
1860,7.73e-11
1861,7.73e-11
1862,7.73e-11
1863,7.73e-11
1864,7.73e-11
1865,7.73e-11
1866,7.73e-11
1867,7.73e-11
1868,7.73e-11
1869,7.73e-11
1870,7.74e-11
1871,7.74e-11
1872,7.74e-11
1873,7.74e-11
1874,7.74e-11
1875,7.74e-11
1876,7.74e-11
1877,7.74e-11
1878,7.74e-11
1879,7.74e-11
1880,7.74e-11
1881,7.74e-11
1882,7.74e-11
1883,7.74e-11
1884,7.74e-11
1885,7.74e-11
1886,7.74e-11
1887,7.74e-11
1888,7.74e-11
1889,7.74e-11
1890,7.74e-11
1891,8.85e-11
1892,1.19e-10
1893,1.66e-10
1894,2.24e-10
1895,2.91e-10
1896,3.62e-10
1897,4.33e-10
1898,5.02e-10
1899,5.62e-10
1900,6.120000000000001e-10
1901,6.53e-10
1902,6.9e-10
1903,7.24e-10
1904,7.57e-10
1905,7.89e-10
1906,8.21e-10
1907,8.539999999999999e-10
1908,8.889999999999999e-10
1909,9.28e-10
1910,9.7e-10
1911,1.02e-09
1912,1.0699999999999998e-09
1913,1.12e-09
1914,1.17e-09
1915,1.23e-09
1916,1.2899999999999999e-09
1917,1.3599999999999999e-09
1918,1.43e-09
1919,1.5e-09
1920,1.57e-09
1921,1.9e-09
1922,2.7e-09
1923,3.86e-09
1924,5.3e-09
1925,6.94e-09
1926,8.68e-09
1927,1.04e-08
1928,1.2099999999999999e-08
1929,1.3600000000000001e-08
1930,1.49e-08
1931,1.5999999999999998e-08
1932,1.7e-08
1933,1.8e-08
1934,1.9e-08
1935,2e-08
1936,2.09e-08
1937,2.19e-08
1938,2.29e-08
1939,2.3799999999999998e-08
1940,2.4899999999999998e-08
1941,2.59e-08
1942,2.7e-08
1943,2.81e-08
1944,2.93e-08
1945,3.05e-08
1946,3.18e-08
1947,3.32e-08
1948,3.4700000000000006e-08
1949,3.63e-08
1950,3.79e-08
1951,3.98e-08
1952,4.1699999999999996e-08
1953,4.39e-08
1954,4.62e-08
1955,4.8600000000000005e-08
1956,5.11e-08
1957,5.38e-08
1958,5.6499999999999996e-08
1959,5.9299999999999995e-08
1960,6.210000000000001e-08
1961,6.52e-08
1962,6.87e-08
1963,7.26e-08
1964,7.660000000000001e-08
1965,8.07e-08
1966,8.47e-08
1967,8.849999999999999e-08
1968,9.19e-08
1969,9.490000000000001e-08
1970,9.53e-08
1971,1.48e-06
1972,2.96e-06
1973,4.45e-06
1974,5.94e-06
1975,7.3899999999999995e-06
1976,8.880000000000001e-06
1977,1.03e-05
1978,1.18e-05
1979,1.33e-05
1980,1.34e-05
1981,1.34e-05
1982,1.35e-05
1983,1.35e-05
1984,3.73e-05
1985,4.1e-05
1986,4.12e-05
1987,4.1599999999999995e-05
1988,4.18e-05
1989,4.22e-05
1990,3.27e-05
1991,3.51e-05
1992,4.19e-05
1993,5.0900000000000004e-05
1994,5.2499999999999995e-05
1995,0.000502
1996,0.00166
1997,0.00412
1998,0.0091
1999,0.0125
2000,0.0179
2001,0.0221
2002,0.0222
2003,0.0195
2004,0.016300000000000002
2005,0.0149
2006,0.017
2007,0.0171
2008,0.0149
2009,0.016
2010,0.014
2011,0.009810000000000001
2012,0.0029100000000000003
2013,0.00325
2014,0.00227
2015,1.56e-05
2016,6.969999999999999e-06
2017,0.000962
2018,6.49e-06