year,IPC2
1850,1e-08
1851,1e-08
1852,1e-08
1853,1e-08
1854,1e-08
1855,1e-08
1856,1e-08
1857,1e-08
1858,1e-08
1859,1e-08
1860,1e-08
1861,1e-08
1862,1e-08
1863,1e-08
1864,1e-08
1865,1e-08
1866,1e-08
1867,1e-08
1868,1e-08
1869,1e-08
1870,1e-08
1871,1e-08
1872,1e-08
1873,1e-08
1874,1e-08
1875,1e-08
1876,1e-08
1877,1e-08
1878,1e-08
1879,1e-08
1880,1e-08
1881,1e-08
1882,1e-08
1883,1e-08
1884,1e-08
1885,1e-08
1886,1e-08
1887,1e-08
1888,1e-08
1889,1e-08
1890,1e-08
1891,1.17e-08
1892,1.63e-08
1893,2.34e-08
1894,3.22e-08
1895,4.2299999999999995e-08
1896,5.3e-08
1897,6.38e-08
1898,7.4e-08
1899,8.32e-08
1900,9.07e-08
1901,9.69e-08
1902,1.02e-07
1903,1.08e-07
1904,1.1299999999999999e-07
1905,1.17e-07
1906,1.22e-07
1907,1.2699999999999999e-07
1908,1.33e-07
1909,1.38e-07
1910,1.45e-07
1911,1.52e-07
1912,1.5899999999999998e-07
1913,1.67e-07
1914,1.75e-07
1915,1.84e-07
1916,1.94e-07
1917,2.03e-07
1918,2.13e-07
1919,2.24e-07
1920,2.35e-07
1921,2.7999999999999997e-07
1922,3.84e-07
1923,5.37e-07
1924,7.26e-07
1925,9.389999999999999e-07
1926,1.17e-06
1927,1.4e-06
1928,1.62e-06
1929,1.82e-06
1930,1.98e-06
1931,2.13e-06
1932,2.27e-06
1933,2.4e-06
1934,2.5300000000000003e-06
1935,2.66e-06
1936,2.79e-06
1937,2.92e-06
1938,3.04e-06
1939,3.17e-06
1940,3.31e-06
1941,3.44e-06
1942,3.58e-06
1943,3.7200000000000004e-06
1944,3.87e-06
1945,4.0299999999999995e-06
1946,4.2e-06
1947,4.38e-06
1948,4.5599999999999995e-06
1949,4.77e-06
1950,4.98e-06
1951,5.22e-06
1952,5.48e-06
1953,5.760000000000001e-06
1954,6.0600000000000004e-06
1955,6.37e-06
1956,6.7e-06
1957,7.05e-06
1958,7.4e-06
1959,7.76e-06
1960,8.13e-06
1961,8.540000000000001e-06
1962,8.999999999999999e-06
1963,9.5e-06
1964,1e-05
1965,1.06e-05
1966,1.11e-05
1967,1.1599999999999999e-05
1968,1.2e-05
1969,1.24e-05
1970,1.25e-05
1971,0.0013700000000000001
1972,0.00273
1973,0.00677
1974,0.010199999999999999
1975,0.013
1976,0.0183
1977,0.019600000000000003
1978,0.026199999999999998
1979,0.0353
1980,0.0431
1981,0.0445
1982,0.046700000000000005
1983,0.0591
1984,0.0863
1985,0.0718
1986,0.089
1987,0.11
1988,0.153
1989,0.164
1990,0.167
1991,0.17
1992,0.174
1993,0.225
1994,0.252
1995,0.318
1996,0.363
1997,0.413
1998,0.458
1999,0.6
2000,0.57
2001,1.02
2002,1.1
2003,1.2
2004,1.12
2005,1.16
2006,1.38
2007,1.48
2008,1.59
2009,1.1
2010,1.14
2011,1.1
2012,1.07
2013,1.44
2014,1.48
2015,1.53
2016,1.57
2017,1.62
2018,1.66