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
1921,6.25e-14
1922,2.32e-13
1923,4.82e-13
1924,7.86e-13
1925,1.12e-12
1926,1.4499999999999999e-12
1927,1.75e-12
1928,2e-12
1929,2.1700000000000002e-12
1930,2.23e-12
1931,2.18e-12
1932,2.0500000000000004e-12
1933,1.8400000000000002e-12
1934,1.6e-12
1935,1.33e-12
1936,1.0600000000000001e-12
1937,8.179999999999999e-13
1938,6.16e-13
1939,4.79e-13
1940,4.2900000000000004e-13
1941,4.37e-13
1942,4.620000000000001e-13
1943,5e-13
1944,5.5e-13
1945,6.099999999999999e-13
1946,6.78e-13
1947,7.52e-13
1948,8.29e-13
1949,9.08e-13
1950,9.87e-13
1951,1.07e-12
1952,1.16e-12
1953,1.27e-12
1954,1.38e-12
1955,1.5e-12
1956,1.6399999999999999e-12
1957,1.78e-12
1958,1.93e-12
1959,2.1000000000000003e-12
1960,2.27e-12
1961,2.4699999999999998e-12
1962,2.7000000000000002e-12
1963,2.97e-12
1964,3.26e-12
1965,3.59e-12
1966,3.95e-12
1967,4.3299999999999995e-12
1968,4.73e-12
1969,5.160000000000001e-12
1970,5.14e-12
1971,1.26e-11
1972,3.08e-11
1973,7.53e-11
1974,1.84e-10
1975,4.51e-10
1976,1.1000000000000001e-09
1977,2.7e-09
1978,6.6e-09
1979,1.62e-08
1980,3.9499999999999996e-08
1981,9.670000000000001e-08
1982,2.37e-07
1983,5.79e-07
1984,1.42e-06
1985,3.47e-06
1986,8.48e-06
1987,2.0799999999999997e-05
1988,5.0799999999999995e-05
1989,0.000124
1990,0.00013800000000000002
1991,0.00038500000000000003
1992,0.000944
1993,0.00438
1994,0.0115
1995,0.0265
1996,0.0448
1997,0.0605
1998,0.08259999999999999
1999,0.113
2000,0.145
2001,0.179
2002,0.219
2003,0.258
2004,0.309
2005,0.36
2006,0.404
2007,0.448
2008,0.493
2009,0.52
2010,0.542
2011,0.567
2012,0.615
2013,0.657
2014,0.691
2015,0.71
2016,0.724
2017,0.698
2018,0.607