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
1921,1.16e-12
1922,4.29e-12
1923,8.91e-12
1924,1.45e-11
1925,2.06e-11
1926,2.6700000000000002e-11
1927,3.23e-11
1928,3.7e-11
1929,4.01e-11
1930,4.13e-11
1931,4.03e-11
1932,3.78e-11
1933,3.4100000000000004e-11
1934,2.95e-11
1935,2.4599999999999998e-11
1936,1.97e-11
1937,1.5099999999999998e-11
1938,1.1399999999999999e-11
1939,8.85e-12
1940,7.92e-12
1941,8.08e-12
1942,8.529999999999999e-12
1943,9.24e-12
1944,1.0200000000000001e-11
1945,1.13e-11
1946,1.2499999999999999e-11
1947,1.39e-11
1948,1.53e-11
1949,1.6800000000000003e-11
1950,1.8200000000000002e-11
1951,1.98e-11
1952,2.15e-11
1953,2.34e-11
1954,2.55e-11
1955,2.78e-11
1956,3.0199999999999997e-11
1957,3.29e-11
1958,3.5700000000000003e-11
1959,3.88e-11
1960,4.2e-11
1961,4.5599999999999996e-11
1962,4.99e-11
1963,5.47e-11
1964,6.02e-11
1965,6.62e-11
1966,7.269999999999999e-11
1967,7.970000000000001e-11
1968,8.71e-11
1969,9.500000000000001e-11
1970,9.46e-11
1971,0.008539999999999999
1972,0.0195
1973,0.0391
1974,0.0596
1975,0.107
1976,0.158
1977,0.225
1978,0.304
1979,0.427
1980,0.566
1981,0.512
1982,0.495
1983,0.472
1984,0.546
1985,0.595
1986,0.631
1987,0.669
1988,0.667
1989,0.746
1990,0.776
1991,0.773
1992,0.707
1993,0.592
1994,0.487
1995,0.407
1996,0.423
1997,0.42
1998,0.42
1999,0.467
2000,0.108
2001,0.138
2002,0.192
2003,0.233
2004,0.218
2005,0.259
2006,0.276
2007,0.306
2008,0.335
2009,0.363
2010,0.39
2011,0.375
2012,0.4
2013,0.425
2014,0.45
2015,0.475
2016,0.501
2017,0.526
2018,0.551