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
1921,4.41e-07
1922,1.64e-06
1923,3.3999999999999996e-06
1924,5.5399999999999995e-06
1925,7.870000000000001e-06
1926,1.02e-05
1927,1.23e-05
1928,1.41e-05
1929,1.53e-05
1930,1.57e-05
1931,1.54e-05
1932,1.44e-05
1933,1.3e-05
1934,1.1299999999999999e-05
1935,9.38e-06
1936,7.499999999999999e-06
1937,5.77e-06
1938,4.35e-06
1939,3.3800000000000002e-06
1940,3.0200000000000003e-06
1941,3.0799999999999997e-06
1942,3.2599999999999997e-06
1943,3.53e-06
1944,3.88e-06
1945,4.309999999999999e-06
1946,4.78e-06
1947,5.3e-06
1948,5.85e-06
1949,6.41e-06
1950,6.96e-06
1951,7.54e-06
1952,8.200000000000001e-06
1953,8.930000000000001e-06
1954,9.73e-06
1955,1.06e-05
1956,1.15e-05
1957,1.26e-05
1958,1.3599999999999999e-05
1959,1.48e-05
1960,1.6e-05
1961,1.74e-05
1962,1.9e-05
1963,2.09e-05
1964,2.3e-05
1965,2.53e-05
1966,2.7799999999999998e-05
1967,3.05e-05
1968,3.34e-05
1969,3.6400000000000004e-05
1970,3.96e-05
1971,4.3299999999999995e-05
1972,4.79e-05
1973,5.31e-05
1974,5.88e-05
1975,6.49e-05
1976,7.12e-05
1977,7.75e-05
1978,8.37e-05
1979,8.96e-05
1980,9.520000000000001e-05
1981,0.0001
1982,0.00010499999999999999
1983,0.00011
1984,0.000115
1985,0.00011999999999999999
1986,0.000125
1987,0.000131
1988,0.000136
1989,0.00014199999999999998
1990,0.00014199999999999998
1991,0.000377
1992,0.000925
1993,0.0034
1994,0.00643
1995,0.0114
1996,0.0181
1997,0.0241
1998,0.0299
1999,0.0399
2000,0.0579
2001,0.09
2002,0.129
2003,0.179
2004,0.249
2005,0.339
2006,0.374
2007,0.431
2008,0.487
2009,0.536
2010,0.585
2011,0.621
2012,0.635
2013,0.641
2014,0.722
2015,0.743
2016,0.772
2017,0.734
2018,0.739