year,IPC2
1850,3.54e-08
1851,3.54e-08
1852,3.54e-08
1853,3.54e-08
1854,3.54e-08
1855,3.54e-08
1856,3.54e-08
1857,3.54e-08
1858,3.54e-08
1859,3.54e-08
1860,3.54e-08
1861,3.54e-08
1862,3.54e-08
1863,3.54e-08
1864,3.54e-08
1865,3.54e-08
1866,3.54e-08
1867,3.54e-08
1868,3.54e-08
1869,3.54e-08
1870,3.54e-08
1871,3.54e-08
1872,3.54e-08
1873,3.54e-08
1874,3.54e-08
1875,3.54e-08
1876,3.54e-08
1877,3.54e-08
1878,3.54e-08
1879,3.54e-08
1880,3.54e-08
1881,3.54e-08
1882,3.54e-08
1883,3.54e-08
1884,3.55e-08
1885,3.55e-08
1886,3.55e-08
1887,3.55e-08
1888,3.55e-08
1889,3.55e-08
1890,3.55e-08
1891,4.1399999999999994e-08
1892,5.7899999999999996e-08
1893,8.279999999999999e-08
1894,1.14e-07
1895,1.5e-07
1896,1.88e-07
1897,2.2599999999999999e-07
1898,2.6200000000000004e-07
1899,2.9500000000000003e-07
1900,3.21e-07
1901,3.43e-07
1902,3.63e-07
1903,3.81e-07
1904,3.99e-07
1905,4.1599999999999997e-07
1906,4.33e-07
1907,4.51e-07
1908,4.6900000000000003e-07
1909,4.9e-07
1910,5.13e-07
1911,5.37e-07
1912,5.64e-07
1913,5.92e-07
1914,6.210000000000001e-07
1915,6.53e-07
1916,6.85e-07
1917,7.200000000000001e-07
1918,7.56e-07
1919,7.93e-07
1920,8.33e-07
1921,9.91e-07
1922,1.3600000000000001e-06
1923,1.9e-06
1924,2.57e-06
1925,3.33e-06
1926,4.13e-06
1927,4.95e-06
1928,5.73e-06
1929,6.43e-06
1930,7.0200000000000006e-06
1931,7.53e-06
1932,8.02e-06
1933,8.5e-06
1934,8.97e-06
1935,9.42e-06
1936,9.87e-06
1937,1.03e-05
1938,1.08e-05
1939,1.12e-05
1940,1.17e-05
1941,1.22e-05
1942,1.2699999999999999e-05
1943,1.32e-05
1944,1.3700000000000001e-05
1945,1.43e-05
1946,1.49e-05
1947,1.55e-05
1948,1.62e-05
1949,1.6899999999999997e-05
1950,1.76e-05
1951,1.85e-05
1952,1.94e-05
1953,2.04e-05
1954,2.14e-05
1955,2.2599999999999997e-05
1956,2.37e-05
1957,2.49e-05
1958,2.62e-05
1959,2.75e-05
1960,2.88e-05
1961,3.0200000000000002e-05
1962,3.1899999999999996e-05
1963,3.36e-05
1964,3.5499999999999996e-05
1965,3.74e-05
1966,3.93e-05
1967,4.1e-05
1968,4.27e-05
1969,4.41e-05
1970,4.4200000000000004e-05
1971,0.0005200000000000001
1972,0.00091
1973,0.0022400000000000002
1974,0.0033900000000000002
1975,0.00438
1976,0.00617
1977,0.006690000000000001
1978,0.00883
1979,0.0119
1980,0.0145
1981,0.015
1982,0.0158
1983,0.019899999999999998
1984,0.0288
1985,0.024
1986,0.0296
1987,0.0365
1988,0.0504
1989,0.0541
1990,0.055299999999999995
1991,0.0564
1992,0.0578
1993,0.0741
1994,0.0832
1995,0.105
1996,0.119
1997,0.136
1998,0.151
1999,0.157
2000,0.115
2001,0.193
2002,0.187
2003,0.178
2004,0.147
2005,0.138
2006,0.157
2007,0.156
2008,0.155
2009,0.155
2010,0.156
2011,0.149
2012,0.136
2013,0.178
2014,0.148
2015,0.162
2016,0.179
2017,0.223
2018,0.249