year,IPC2
1850,3.53e-08
1851,3.53e-08
1852,3.53e-08
1853,3.53e-08
1854,3.53e-08
1855,3.53e-08
1856,3.53e-08
1857,3.53e-08
1858,3.53e-08
1859,3.53e-08
1860,3.53e-08
1861,3.53e-08
1862,3.53e-08
1863,3.53e-08
1864,3.53e-08
1865,3.53e-08
1866,3.53e-08
1867,3.53e-08
1868,3.53e-08
1869,3.53e-08
1870,3.53e-08
1871,3.53e-08
1872,3.53e-08
1873,3.53e-08
1874,3.53e-08
1875,3.53e-08
1876,3.53e-08
1877,3.53e-08
1878,3.53e-08
1879,3.53e-08
1880,3.53e-08
1881,3.53e-08
1882,3.53e-08
1883,3.53e-08
1884,3.53e-08
1885,3.54e-08
1886,3.54e-08
1887,3.54e-08
1888,3.54e-08
1889,3.54e-08
1890,3.54e-08
1891,4.04e-08
1892,5.4500000000000005e-08
1893,7.58e-08
1894,1.03e-07
1895,1.33e-07
1896,1.65e-07
1897,1.98e-07
1898,2.29e-07
1899,2.5700000000000004e-07
1900,2.7999999999999997e-07
1901,2.98e-07
1902,3.15e-07
1903,3.3100000000000004e-07
1904,3.46e-07
1905,3.6000000000000005e-07
1906,3.75e-07
1907,3.8999999999999997e-07
1908,4.06e-07
1909,4.24e-07
1910,4.43e-07
1911,4.64e-07
1912,4.870000000000001e-07
1913,5.11e-07
1914,5.36e-07
1915,5.63e-07
1916,5.91e-07
1917,6.2e-07
1918,6.51e-07
1919,6.83e-07
1920,7.17e-07
1921,8.69e-07
1922,1.2299999999999999e-06
1923,1.76e-06
1924,2.4199999999999997e-06
1925,3.17e-06
1926,3.969999999999999e-06
1927,4.77e-06
1928,5.5399999999999995e-06
1929,6.2300000000000005e-06
1930,6.81e-06
1931,7.3099999999999995e-06
1932,7.79e-06
1933,8.25e-06
1934,8.69e-06
1935,9.129999999999999e-06
1936,9.56e-06
1937,1e-05
1938,1.0399999999999999e-05
1939,1.09e-05
1940,1.1400000000000001e-05
1941,1.18e-05
1942,1.23e-05
1943,1.2800000000000001e-05
1944,1.34e-05
1945,1.3899999999999999e-05
1946,1.45e-05
1947,1.52e-05
1948,1.58e-05
1949,1.66e-05
1950,1.73e-05
1951,1.8200000000000002e-05
1952,1.91e-05
1953,2.01e-05
1954,2.11e-05
1955,2.22e-05
1956,2.34e-05
1957,2.46e-05
1958,2.58e-05
1959,2.7099999999999998e-05
1960,2.8400000000000003e-05
1961,2.98e-05
1962,3.14e-05
1963,3.32e-05
1964,3.5000000000000004e-05
1965,3.69e-05
1966,3.87e-05
1967,4.04e-05
1968,4.2000000000000004e-05
1969,4.34e-05
1970,4.9000000000000005e-05
1971,4.96e-05
1972,5.14e-05
1973,6.0100000000000004e-05
1974,6.19e-05
1975,6.37e-05
1976,6.58e-05
1977,6.759999999999999e-05
1978,6.94e-05
1979,7.159999999999999e-05
1980,7.5e-05
1981,7.64e-05
1982,7.78e-05
1983,7.9e-05
1984,8.05e-05
1985,8.12e-05
1986,8.340000000000001e-05
1987,8.57e-05
1988,8.8e-05
1989,8.97e-05
1990,9.31e-05
1991,0.00762
1992,0.0152
1993,0.030199999999999998
1994,0.0453
1995,0.07540000000000001
1996,0.103
1997,0.131
1998,0.0619
1999,0.196
2000,0.305
2001,0.292
2002,0.208
2003,0.224
2004,0.182
2005,0.168
2006,0.148
2007,0.131
2008,0.106
2009,0.06559999999999999
2010,0.037
2011,0.0132
2012,0.008029999999999999
2013,0.007
2014,0.0028399999999999996
2015,0.0174
2016,0.032600000000000004
2017,0.0412
2018,0.0433