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
1921,1.05e-07
1922,3.8999999999999997e-07
1923,8.09e-07
1924,1.32e-06
1925,1.8699999999999999e-06
1926,2.43e-06
1927,2.94e-06
1928,3.36e-06
1929,3.64e-06
1930,3.7499999999999997e-06
1931,3.66e-06
1932,3.4299999999999998e-06
1933,3.09e-06
1934,2.68e-06
1935,2.2300000000000002e-06
1936,1.78e-06
1937,1.37e-06
1938,1.03e-06
1939,8.04e-07
1940,7.19e-07
1941,7.33e-07
1942,7.75e-07
1943,8.39e-07
1944,9.23e-07
1945,1.02e-06
1946,1.1399999999999999e-06
1947,1.26e-06
1948,1.39e-06
1949,1.52e-06
1950,1.66e-06
1951,1.79e-06
1952,1.95e-06
1953,2.12e-06
1954,2.31e-06
1955,2.52e-06
1956,2.74e-06
1957,2.99e-06
1958,3.24e-06
1959,3.52e-06
1960,3.81e-06
1961,4.139999999999999e-06
1962,4.53e-06
1963,4.98e-06
1964,5.47e-06
1965,6.02e-06
1966,6.62e-06
1967,7.26e-06
1968,7.939999999999999e-06
1969,8.66e-06
1970,8.619999999999999e-06
1971,1.07e-05
1972,1.07e-05
1973,3.2e-05
1974,5.33e-05
1975,7.47e-05
1976,0.000107
1977,0.000118
1978,0.00016
1979,0.000214
1980,0.000258
1981,0.00027
1982,0.00028399999999999996
1983,0.000363
1984,0.00053
1985,0.000458
1986,0.0005769999999999999
1987,0.000746
1988,0.00107
1989,0.00128
1990,0.0013
1991,0.00173
1992,0.00228
1993,0.00651
1994,0.014199999999999999
1995,0.03
1996,0.0506
1997,0.06709999999999999
1998,0.0915
1999,0.122
2000,0.157
2001,0.185
2002,0.209
2003,0.235
2004,0.267
2005,0.299
2006,0.331
2007,0.36
2008,0.66
2009,0.72
2010,1.33
2011,1.86
2012,2.04
2013,2.57
2014,2.11
2015,3.46
2016,4.13
2017,3.64
2018,4.31