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
1921,6.92e-10
1922,2.57e-09
1923,5.339999999999999e-09
1924,8.7e-09
1925,1.24e-08
1926,1.5999999999999998e-08
1927,1.9400000000000002e-08
1928,2.22e-08
1929,2.4e-08
1930,2.47e-08
1931,2.4199999999999998e-08
1932,2.2699999999999998e-08
1933,2.04e-08
1934,1.77e-08
1935,1.47e-08
1936,1.18e-08
1937,9.06e-09
1938,6.82e-09
1939,5.31e-09
1940,4.75e-09
1941,4.840000000000001e-09
1942,5.11e-09
1943,5.54e-09
1944,6.1e-09
1945,6.76e-09
1946,7.51e-09
1947,8.329999999999999e-09
1948,9.18e-09
1949,1.01e-08
1950,1.09e-08
1951,1.18e-08
1952,1.29e-08
1953,1.4e-08
1954,1.5299999999999998e-08
1955,1.66e-08
1956,1.81e-08
1957,1.97e-08
1958,2.14e-08
1959,2.3200000000000003e-08
1960,2.52e-08
1961,2.73e-08
1962,2.9899999999999996e-08
1963,3.2799999999999996e-08
1964,3.6100000000000006e-08
1965,3.98e-08
1966,4.37e-08
1967,4.79e-08
1968,5.24e-08
1969,5.72e-08
1970,6.219999999999999e-08
1971,6.8e-08
1972,7.52e-08
1973,8.330000000000001e-08
1974,9.23e-08
1975,1.02e-07
1976,1.12e-07
1977,1.22e-07
1978,1.3100000000000002e-07
1979,1.41e-07
1980,1.41e-07
1981,3.19e-07
1982,7.21e-07
1983,1.6299999999999999e-06
1984,3.68e-06
1985,8.33e-06
1986,1.88e-05
1987,4.26e-05
1988,9.62e-05
1989,0.00021799999999999999
1990,0.00023899999999999998
1991,0.000882
1992,0.0019199999999999998
1993,0.0063
1994,0.0128
1995,0.029
1996,0.0498
1997,0.0713
1998,0.104
1999,0.128
2000,0.165
2001,0.222
2002,0.293
2003,0.4
2004,0.513
2005,0.648
2006,0.727
2007,0.826
2008,0.926
2009,1.07
2010,1.3
2011,1.34
2012,1.55
2013,1.8
2014,2.03
2015,2.5
2016,3.16
2017,3.17
2018,2.54