year,IPC2
1850,8.68e-09
1851,8.68e-09
1852,8.68e-09
1853,8.68e-09
1854,8.68e-09
1855,8.68e-09
1856,8.68e-09
1857,8.68e-09
1858,8.68e-09
1859,8.68e-09
1860,8.68e-09
1861,8.68e-09
1862,8.69e-09
1863,8.69e-09
1864,8.69e-09
1865,8.69e-09
1866,8.69e-09
1867,8.69e-09
1868,8.69e-09
1869,8.69e-09
1870,8.69e-09
1871,8.69e-09
1872,8.69e-09
1873,8.69e-09
1874,8.69e-09
1875,8.69e-09
1876,8.69e-09
1877,8.69e-09
1878,8.69e-09
1879,8.69e-09
1880,8.69e-09
1881,8.69e-09
1882,8.69e-09
1883,8.69e-09
1884,8.7e-09
1885,8.7e-09
1886,8.7e-09
1887,8.7e-09
1888,8.7e-09
1889,8.7e-09
1890,8.7e-09
1891,1.02e-08
1892,1.42e-08
1893,2.03e-08
1894,2.8e-08
1895,3.67e-08
1896,4.6e-08
1897,5.54e-08
1898,6.43e-08
1899,7.229999999999999e-08
1900,7.88e-08
1901,8.409999999999999e-08
1902,8.899999999999999e-08
1903,9.35e-08
1904,9.78e-08
1905,1.02e-07
1906,1.06e-07
1907,1.1e-07
1908,1.15e-07
1909,1.2000000000000002e-07
1910,1.26e-07
1911,1.3200000000000002e-07
1912,1.38e-07
1913,1.45e-07
1914,1.52e-07
1915,1.6e-07
1916,1.68e-07
1917,1.7699999999999998e-07
1918,1.85e-07
1919,1.9499999999999999e-07
1920,2.04e-07
1921,2.43e-07
1922,3.34e-07
1923,4.66e-07
1924,6.3e-07
1925,8.16e-07
1926,1.01e-06
1927,1.2099999999999998e-06
1928,1.4e-06
1929,1.5800000000000001e-06
1930,1.72e-06
1931,1.85e-06
1932,1.9699999999999998e-06
1933,2.09e-06
1934,2.2e-06
1935,2.31e-06
1936,2.4199999999999997e-06
1937,2.5300000000000003e-06
1938,2.64e-06
1939,2.76e-06
1940,2.87e-06
1941,2.99e-06
1942,3.11e-06
1943,3.23e-06
1944,3.36e-06
1945,3.5e-06
1946,3.65e-06
1947,3.8e-06
1948,3.96e-06
1949,4.139999999999999e-06
1950,4.33e-06
1951,4.53e-06
1952,4.76e-06
1953,5e-06
1954,5.26e-06
1955,5.53e-06
1956,5.819999999999999e-06
1957,6.12e-06
1958,6.43e-06
1959,6.740000000000001e-06
1960,7.06e-06
1961,7.41e-06
1962,7.81e-06
1963,8.25e-06
1964,8.710000000000001e-06
1965,9.169999999999999e-06
1966,9.63e-06
1967,1.01e-05
1968,1.0500000000000001e-05
1969,1.08e-05
1970,1.12e-05
1971,1.1e-05
1972,1.11e-05
1973,1.1400000000000001e-05
1974,1.1599999999999999e-05
1975,1.17e-05
1976,1.3e-05
1977,1.32e-05
1978,1.4e-05
1979,1.46e-05
1980,1.41e-05
1981,1.3599999999999999e-05
1982,1.3700000000000001e-05
1983,1.4200000000000001e-05
1984,1.43e-05
1985,1.44e-05
1986,1.43e-05
1987,1.47e-05
1988,1.5100000000000001e-05
1989,1.66e-05
1990,2.12e-05
1991,2.1000000000000002e-05
1992,2.2800000000000002e-05
1993,2.23e-05
1994,1.9699999999999998e-05
1995,4.09e-05
1996,7.35e-05
1997,9.5e-05
1998,0.000428
1999,0.0007740000000000001
2000,0.00113
2001,0.00151
2002,0.0019199999999999998
2003,0.00234
2004,0.0028
2005,0.00331
2006,0.0039900000000000005
2007,0.00475
2008,0.0055899999999999995
2009,0.00663
2010,0.00795
2011,0.00907
2012,0.010199999999999999
2013,0.0114
2014,0.0126
2015,0.014
2016,0.0154
2017,0.017
2018,0.019100000000000002