year,IPC2
1850,0.0
1851,0.0
1852,0.0
1853,0.0
1854,0.0
1855,0.0
1856,0.0
1857,0.0
1858,0.0
1859,0.0
1860,0.0
1861,0.0
1862,0.0
1863,0.0
1864,0.0
1865,0.0
1866,0.0
1867,0.0
1868,0.0
1869,0.0
1870,0.0
1871,0.0
1872,0.0
1873,0.0
1874,0.0
1875,0.0
1876,0.0
1877,0.0
1878,0.0
1879,0.0
1880,0.0
1881,0.0
1882,0.0
1883,0.0
1884,0.0
1885,0.0
1886,0.0
1887,0.0
1888,0.0
1889,0.0
1890,0.0
1891,0.0
1892,0.0
1893,0.0
1894,0.0
1895,0.0
1896,0.0
1897,0.0
1898,0.0
1899,0.0
1900,0.0
1901,0.0
1902,0.0
1903,0.0
1904,0.0
1905,0.0
1906,0.0
1907,0.0
1908,0.0
1909,0.0
1910,0.0
1911,0.0
1912,0.0
1913,0.0
1914,0.0
1915,0.0
1916,0.0
1917,0.0
1918,0.0
1919,0.0
1920,0.0
1921,1.17e-12
1922,4.36e-12
1923,9.059999999999999e-12
1924,1.48e-11
1925,2.1e-11
1926,2.7199999999999997e-11
1927,3.29e-11
1928,3.76e-11
1929,4.0800000000000004e-11
1930,4.19e-11
1931,4.1e-11
1932,3.84e-11
1933,3.46e-11
1934,3e-11
1935,2.4999999999999998e-11
1936,2.0000000000000002e-11
1937,1.54e-11
1938,1.1599999999999999e-11
1939,9e-12
1940,8.049999999999999e-12
1941,8.21e-12
1942,8.67e-12
1943,9.39e-12
1944,1.03e-11
1945,1.15e-11
1946,1.2699999999999999e-11
1947,1.41e-11
1948,1.56e-11
1949,1.71e-11
1950,1.85e-11
1951,2.01e-11
1952,2.18e-11
1953,2.38e-11
1954,2.59e-11
1955,2.82e-11
1956,3.0699999999999995e-11
1957,3.34e-11
1958,3.63e-11
1959,3.94e-11
1960,4.27e-11
1961,4.6399999999999996e-11
1962,5.07e-11
1963,5.5700000000000005e-11
1964,6.13e-11
1965,6.74e-11
1966,7.41e-11
1967,8.129999999999999e-11
1968,8.89e-11
1969,9.7e-11
1970,9.65e-11
1971,0.00895
1972,0.020399999999999998
1973,0.0409
1974,0.0625
1975,0.112
1976,0.166
1977,0.236
1978,0.318
1979,0.448
1980,0.593
1981,0.537
1982,0.519
1983,0.495
1984,0.572
1985,0.624
1986,0.661
1987,0.701
1988,0.699
1989,0.782
1990,0.814
1991,0.81
1992,0.741
1993,0.62
1994,0.509
1995,0.424
1996,0.439
1997,0.434
1998,0.432
1999,0.479
2000,0.0992
2001,0.127
2002,0.181
2003,0.218
2004,0.197
2005,0.232
2006,0.245
2007,0.272
2008,0.297
2009,0.322
2010,0.345
2011,0.327
2012,0.349
2013,0.371
2014,0.392
2015,0.414
2016,0.436
2017,0.458
2018,0.48