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
1921,2.16e-07
1922,8.03e-07
1923,1.67e-06
1924,2.7200000000000002e-06
1925,3.86e-06
1926,5e-06
1927,6.05e-06
1928,6.92e-06
1929,7.499999999999999e-06
1930,7.72e-06
1931,7.5500000000000006e-06
1932,7.07e-06
1933,6.37e-06
1934,5.52e-06
1935,4.6e-06
1936,3.68e-06
1937,2.83e-06
1938,2.13e-06
1939,1.66e-06
1940,1.48e-06
1941,1.5100000000000002e-06
1942,1.6000000000000001e-06
1943,1.73e-06
1944,1.9e-06
1945,2.1099999999999997e-06
1946,2.35e-06
1947,2.5999999999999997e-06
1948,2.87e-06
1949,3.14e-06
1950,3.41e-06
1951,3.7e-06
1952,4.0200000000000005e-06
1953,4.38e-06
1954,4.77e-06
1955,5.199999999999999e-06
1956,5.66e-06
1957,6.15e-06
1958,6.68e-06
1959,7.25e-06
1960,7.85e-06
1961,8.53e-06
1962,9.33e-06
1963,1.02e-05
1964,1.1299999999999999e-05
1965,1.24e-05
1966,1.3599999999999999e-05
1967,1.49e-05
1968,1.63e-05
1969,1.78e-05
1970,1.77e-05
1971,1.77e-05
1972,1.77e-05
1973,1.78e-05
1974,1.78e-05
1975,1.78e-05
1976,1.78e-05
1977,1.7899999999999998e-05
1978,1.7999999999999997e-05
1979,1.8200000000000002e-05
1980,1.8599999999999998e-05
1981,1.91e-05
1982,2.01e-05
1983,2.17e-05
1984,2.46e-05
1985,2.96e-05
1986,3.86e-05
1987,5.5100000000000004e-05
1988,8.63e-05
1989,0.000147
1990,0.000146
1991,0.000308
1992,0.000475
1993,0.00222
1994,0.0058
1995,0.013800000000000002
1996,0.0708
1997,0.174
1998,0.242
1999,0.3
2000,0.418
2001,0.567
2002,0.699
2003,0.844
2004,0.952
2005,1.07
2006,1.35
2007,1.76
2008,2.05
2009,2.12
2010,2.42
2011,2.68
2012,2.79
2013,2.92
2014,3.07
2015,3.29
2016,3.44
2017,3.64
2018,3.74