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
1921,1.16e-06
1922,2.7e-06
1923,4.98e-06
1924,7.75e-06
1925,1.08e-05
1926,1.3899999999999999e-05
1927,1.68e-05
1928,1.92e-05
1929,2.1000000000000002e-05
1930,2.2e-05
1931,2.2e-05
1932,2.14e-05
1933,2.02e-05
1934,1.88e-05
1935,1.72e-05
1936,1.55e-05
1937,1.41e-05
1938,1.29e-05
1939,1.23e-05
1940,1.23e-05
1941,0.00017199999999999998
1942,0.000616
1943,0.0013
1944,0.00216
1945,0.00316
1946,0.00424
1947,0.00536
1948,0.00646
1949,0.00749
1950,0.008400000000000001
1951,0.00925
1952,0.0101
1953,0.0109
1954,0.011800000000000001
1955,0.0126
1956,0.0135
1957,0.0143
1958,0.015099999999999999
1959,0.016
1960,0.016800000000000002
1961,0.0176
1962,0.0183
1963,0.0189
1964,0.019600000000000003
1965,0.0202
1966,0.0209
1967,0.0218
1968,0.0228
1969,0.022600000000000002
1970,0.018600000000000002
1971,0.0632
1972,0.0868
1973,0.114
1974,0.116
1975,0.131
1976,0.136
1977,0.155
1978,0.161
1979,0.185
1980,0.177
1981,0.21
1982,0.223
1983,0.244
1984,0.313
1985,0.359
1986,0.414
1987,0.468
1988,0.618
1989,0.695
1990,0.687
1991,0.676
1992,0.665
1993,0.638
1994,0.617
1995,0.649
1996,0.714
1997,0.77
1998,1.07
1999,1.21
2000,1.42
2001,1.66
2002,1.63
2003,1.6
2004,1.61
2005,1.74
2006,1.92
2007,2.05
2008,2.2
2009,2.33
2010,2.48
2011,3.43
2012,3.5
2013,4.36
2014,3.7
2015,5.65
2016,6.72
2017,6.0
2018,7.03