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
1921,1.73e-13
1922,6.42e-13
1923,1.33e-12
1924,2.1700000000000002e-12
1925,3.09e-12
1926,4e-12
1927,4.8399999999999996e-12
1928,5.53e-12
1929,6e-12
1930,6.17e-12
1931,6.03e-12
1932,5.65e-12
1933,5.0899999999999995e-12
1934,4.42e-12
1935,3.6800000000000005e-12
1936,2.94e-12
1937,2.26e-12
1938,1.6999999999999998e-12
1939,1.32e-12
1940,1.18e-12
1941,1.2099999999999999e-12
1942,1.28e-12
1943,1.38e-12
1944,1.52e-12
1945,1.6899999999999999e-12
1946,1.87e-12
1947,2.08e-12
1948,2.29e-12
1949,2.51e-12
1950,2.73e-12
1951,2.9600000000000003e-12
1952,3.21e-12
1953,3.5e-12
1954,3.81e-12
1955,4.15e-12
1956,4.52e-12
1957,4.92e-12
1958,5.34e-12
1959,5.7999999999999995e-12
1960,6.28e-12
1961,6.8200000000000004e-12
1962,7.460000000000001e-12
1963,8.200000000000001e-12
1964,9.02e-12
1965,9.92e-12
1966,1.09e-11
1967,1.2e-11
1968,1.31e-11
1969,1.43e-11
1970,1.42e-11
1971,0.0005610000000000001
1972,0.000517
1973,0.00228
1974,0.00283
1975,0.0058
1976,0.009980000000000001
1977,0.0144
1978,0.0193
1979,0.0264
1980,0.0319
1981,0.0653
1982,0.0724
1983,0.0772
1984,0.0864
1985,0.093
1986,0.117
1987,0.144
1988,0.172
1989,0.204
1990,0.242
1991,0.16
1992,0.128
1993,0.0932
1994,0.0633
1995,0.036899999999999995
1996,0.0686
1997,0.0996
1998,0.154
1999,0.222
2000,0.271
2001,0.323
2002,0.376
2003,0.465
2004,0.559
2005,0.669
2006,0.728
2007,0.801
2008,0.881
2009,0.963
2010,1.04
2011,1.08
2012,1.15
2013,1.22
2014,1.29
2015,1.36
2016,1.43
2017,1.5
2018,1.57