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
1921,1.4e-08
1922,5.2099999999999997e-08
1923,1.08e-07
1924,1.76e-07
1925,2.5e-07
1926,3.2499999999999996e-07
1927,3.93e-07
1928,4.49e-07
1929,4.870000000000001e-07
1930,5.01e-07
1931,4.9e-07
1932,4.5899999999999997e-07
1933,4.13e-07
1934,3.5799999999999995e-07
1935,2.98e-07
1936,2.39e-07
1937,1.84e-07
1938,1.38e-07
1939,1.07e-07
1940,9.610000000000001e-08
1941,9.81e-08
1942,1.0399999999999999e-07
1943,1.12e-07
1944,1.23e-07
1945,1.37e-07
1946,1.52e-07
1947,1.69e-07
1948,1.86e-07
1949,2.04e-07
1950,2.21e-07
1951,2.4000000000000003e-07
1952,2.61e-07
1953,2.84e-07
1954,3.09e-07
1955,3.37e-07
1956,3.67e-07
1957,3.99e-07
1958,4.34e-07
1959,4.7e-07
1960,5.09e-07
1961,5.54e-07
1962,6.06e-07
1963,6.65e-07
1964,7.32e-07
1965,8.05e-07
1966,8.85e-07
1967,9.709999999999999e-07
1968,1.06e-06
1969,1.16e-06
1970,1.26e-06
1971,1.38e-06
1972,1.52e-06
1973,1.6900000000000001e-06
1974,1.8699999999999999e-06
1975,2.06e-06
1976,2.26e-06
1977,2.4599999999999997e-06
1978,2.66e-06
1979,2.8500000000000002e-06
1980,3.0300000000000002e-06
1981,3.19e-06
1982,3.35e-06
1983,3.5e-06
1984,3.66e-06
1985,3.82e-06
1986,3.98e-06
1987,4.15e-06
1988,4.33e-06
1989,4.53e-06
1990,4.52e-06
1991,1.17e-05
1992,2.64e-05
1993,0.000104
1994,0.000228
1995,0.000467
1996,0.000796
1997,0.00111
1998,0.00157
1999,0.00219
2000,0.00307
2001,0.00405
2002,0.0035099999999999997
2003,0.004730000000000001
2004,0.00579
2005,0.006860000000000001
2006,0.00737
2007,0.00811
2008,0.00886
2009,0.009519999999999999
2010,0.010199999999999999
2011,0.0108
2012,0.0115
2013,0.012199999999999999
2014,0.0129
2015,0.0136
2016,0.0143
2017,0.015
2018,0.0157