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
1921,8.229999999999999e-08
1922,3.06e-07
1923,6.350000000000001e-07
1924,1.03e-06
1925,1.47e-06
1926,1.9e-06
1927,2.3e-06
1928,2.63e-06
1929,2.86e-06
1930,2.94e-06
1931,2.87e-06
1932,2.69e-06
1933,2.4199999999999997e-06
1934,2.1e-06
1935,1.75e-06
1936,1.4e-06
1937,1.08e-06
1938,8.109999999999999e-07
1939,6.3e-07
1940,5.64e-07
1941,5.75e-07
1942,6.08e-07
1943,6.58e-07
1944,7.240000000000001e-07
1945,8.03e-07
1946,8.92e-07
1947,9.89e-07
1948,1.09e-06
1949,1.19e-06
1950,1.2999999999999998e-06
1951,1.41e-06
1952,1.53e-06
1953,1.67e-06
1954,1.81e-06
1955,1.98e-06
1956,2.15e-06
1957,2.34e-06
1958,2.5400000000000002e-06
1959,2.76e-06
1960,2.99e-06
1961,3.25e-06
1962,3.5500000000000003e-06
1963,3.9e-06
1964,4.2900000000000004e-06
1965,4.7200000000000005e-06
1966,5.19e-06
1967,5.69e-06
1968,6.2300000000000005e-06
1969,6.79e-06
1970,6.7600000000000005e-06
1971,1.2e-05
1972,2.12e-05
1973,3.76e-05
1974,6.67e-05
1975,0.000118
1976,0.00020899999999999998
1977,0.000371
1978,0.0006580000000000001
1979,0.00117
1980,0.00207
1981,0.00366
1982,0.00649
1983,0.0115
1984,0.020399999999999998
1985,0.0361
1986,0.064
1987,0.113
1988,0.201
1989,0.356
1990,0.26
1991,0.221
1992,0.182
1993,0.143
1994,0.104
1995,0.065
1996,0.0905
1997,0.125
1998,0.2
1999,0.295
2000,0.431
2001,0.439
2002,0.45
2003,0.482
2004,0.523
2005,0.604
2006,0.676
2007,0.771
2008,0.853
2009,0.932
2010,1.02
2011,0.876
2012,0.94
2013,0.00103
2014,0.839
2015,0.866
2016,0.893
2017,0.921
2018,0.948