year,IPC2
1850,2.84e-08
1851,2.84e-08
1852,2.84e-08
1853,2.84e-08
1854,2.84e-08
1855,2.84e-08
1856,2.84e-08
1857,2.84e-08
1858,2.84e-08
1859,2.84e-08
1860,2.84e-08
1861,2.84e-08
1862,2.84e-08
1863,2.84e-08
1864,2.84e-08
1865,2.84e-08
1866,2.84e-08
1867,2.84e-08
1868,2.84e-08
1869,2.84e-08
1870,2.84e-08
1871,2.84e-08
1872,2.84e-08
1873,2.84e-08
1874,2.84e-08
1875,2.84e-08
1876,2.84e-08
1877,2.84e-08
1878,2.84e-08
1879,2.84e-08
1880,2.84e-08
1881,2.84e-08
1882,2.84e-08
1883,2.84e-08
1884,2.84e-08
1885,2.84e-08
1886,2.84e-08
1887,2.84e-08
1888,2.84e-08
1889,2.84e-08
1890,2.84e-08
1891,3.25e-08
1892,4.38e-08
1893,6.090000000000001e-08
1894,8.24e-08
1895,1.07e-07
1896,1.33e-07
1897,1.5899999999999998e-07
1898,1.84e-07
1899,2.06e-07
1900,2.25e-07
1901,2.4000000000000003e-07
1902,2.53e-07
1903,2.66e-07
1904,2.78e-07
1905,2.8899999999999995e-07
1906,3.01e-07
1907,3.13e-07
1908,3.2600000000000003e-07
1909,3.4000000000000003e-07
1910,3.5599999999999996e-07
1911,3.73e-07
1912,3.91e-07
1913,4.1e-07
1914,4.3100000000000003e-07
1915,4.5199999999999997e-07
1916,4.75e-07
1917,4.979999999999999e-07
1918,5.23e-07
1919,5.490000000000001e-07
1920,5.76e-07
1921,6.98e-07
1922,9.89e-07
1923,1.42e-06
1924,1.95e-06
1925,2.55e-06
1926,3.19e-06
1927,3.83e-06
1928,4.45e-06
1929,5.0099999999999995e-06
1930,5.47e-06
1931,5.8700000000000005e-06
1932,6.25e-06
1933,6.62e-06
1934,6.98e-06
1935,7.33e-06
1936,7.680000000000001e-06
1937,8.030000000000001e-06
1938,8.39e-06
1939,8.750000000000001e-06
1940,9.119999999999999e-06
1941,9.509999999999999e-06
1942,9.9e-06
1943,1.03e-05
1944,1.07e-05
1945,1.12e-05
1946,1.17e-05
1947,1.22e-05
1948,1.2699999999999999e-05
1949,1.33e-05
1950,1.3899999999999999e-05
1951,1.46e-05
1952,1.53e-05
1953,1.61e-05
1954,1.7e-05
1955,1.78e-05
1956,1.88e-05
1957,1.9699999999999998e-05
1958,2.07e-05
1959,2.17e-05
1960,2.2800000000000002e-05
1961,2.39e-05
1962,2.52e-05
1963,2.66e-05
1964,2.81e-05
1965,2.96e-05
1966,3.11e-05
1967,3.2500000000000004e-05
1968,3.37e-05
1969,3.48e-05
1970,3.5000000000000004e-05
1971,0.00041099999999999996
1972,0.000721
1973,0.00177
1974,0.00269
1975,0.00347
1976,0.004889999999999999
1977,0.0053
1978,0.0069900000000000006
1979,0.00942
1980,0.0115
1981,0.0119
1982,0.0125
1983,0.0157
1984,0.0228
1985,0.019
1986,0.0235
1987,0.0289
1988,0.04
1989,0.0429
1990,0.0438
1991,0.044700000000000004
1992,0.0458
1993,0.0586
1994,0.06559999999999999
1995,0.0823
1996,0.0938
1997,0.107
1998,0.118
1999,0.124
2000,0.0905
2001,0.152
2002,0.147
2003,0.14
2004,0.116
2005,0.109
2006,0.123
2007,0.123
2008,0.122
2009,0.122
2010,0.123
2011,0.117
2012,0.107
2013,0.141
2014,0.117
2015,0.128
2016,0.141
2017,0.176
2018,0.196