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
1921,1.77e-10
1922,6.58e-10
1923,1.37e-09
1924,2.23e-09
1925,3.16e-09
1926,4.0999999999999995e-09
1927,4.96e-09
1928,5.66e-09
1929,6.1500000000000005e-09
1930,6.32e-09
1931,6.18e-09
1932,5.789999999999999e-09
1933,5.22e-09
1934,4.52e-09
1935,3.77e-09
1936,3.01e-09
1937,2.32e-09
1938,1.74e-09
1939,1.3599999999999999e-09
1940,1.2100000000000002e-09
1941,1.24e-09
1942,1.31e-09
1943,1.42e-09
1944,1.5600000000000002e-09
1945,1.73e-09
1946,1.92e-09
1947,2.13e-09
1948,2.35e-09
1949,2.57e-09
1950,2.79e-09
1951,3.0299999999999997e-09
1952,3.29e-09
1953,3.58e-09
1954,3.91e-09
1955,4.25e-09
1956,4.63e-09
1957,5.04e-09
1958,5.47e-09
1959,5.94e-09
1960,6.43e-09
1961,6.99e-09
1962,7.649999999999999e-09
1963,8.399999999999999e-09
1964,9.24e-09
1965,1.02e-08
1966,1.12e-08
1967,1.2300000000000001e-08
1968,1.3400000000000001e-08
1969,1.46e-08
1970,1.46e-08
1971,3.26e-08
1972,7.320000000000001e-08
1973,1.64e-07
1974,3.68e-07
1975,8.26e-07
1976,1.85e-06
1977,4.15e-06
1978,9.31e-06
1979,2.09e-05
1980,4.68e-05
1981,0.00010499999999999999
1982,0.000236
1983,0.000528
1984,0.0011899999999999999
1985,0.00266
1986,0.00596
1987,0.0134
1988,0.03
1989,0.06720000000000001
1990,0.111
1991,0.257
1992,0.437
1993,0.437
1994,0.448
1995,0.446
1996,0.53
1997,0.639
1998,0.777
1999,0.831
2000,1.0
2001,1.07
2002,1.28
2003,1.44
2004,1.51
2005,2.16
2006,2.23
2007,2.55
2008,2.53
2009,2.44
2010,2.71
2011,3.03
2012,3.03
2013,3.08
2014,3.28
2015,3.41
2016,3.38
2017,3.66
2018,3.74