year,IPC2
1850,4.37e-08
1851,4.37e-08
1852,4.37e-08
1853,4.37e-08
1854,4.37e-08
1855,4.37e-08
1856,4.37e-08
1857,4.37e-08
1858,4.37e-08
1859,4.37e-08
1860,4.37e-08
1861,4.37e-08
1862,4.37e-08
1863,4.37e-08
1864,4.37e-08
1865,4.37e-08
1866,4.38e-08
1867,4.38e-08
1868,4.38e-08
1869,4.38e-08
1870,4.38e-08
1871,4.38e-08
1872,4.38e-08
1873,4.38e-08
1874,4.38e-08
1875,4.38e-08
1876,4.38e-08
1877,4.38e-08
1878,4.38e-08
1879,4.38e-08
1880,4.38e-08
1881,4.38e-08
1882,4.38e-08
1883,4.38e-08
1884,4.38e-08
1885,4.38e-08
1886,4.38e-08
1887,4.38e-08
1888,4.38e-08
1889,4.38e-08
1890,4.38e-08
1891,5.11e-08
1892,7.15e-08
1893,1.02e-07
1894,1.41e-07
1895,1.85e-07
1896,2.32e-07
1897,2.79e-07
1898,3.24e-07
1899,3.6400000000000003e-07
1900,3.97e-07
1901,4.24e-07
1902,4.48e-07
1903,4.71e-07
1904,4.92e-07
1905,5.13e-07
1906,5.34e-07
1907,5.56e-07
1908,5.8e-07
1909,6.049999999999999e-07
1910,6.33e-07
1911,6.64e-07
1912,6.96e-07
1913,7.31e-07
1914,7.67e-07
1915,8.06e-07
1916,8.459999999999999e-07
1917,8.890000000000001e-07
1918,9.33e-07
1919,9.8e-07
1920,1.03e-06
1921,1.22e-06
1922,1.68e-06
1923,2.35e-06
1924,3.17e-06
1925,4.11e-06
1926,5.1e-06
1927,6.11e-06
1928,7.07e-06
1929,7.939999999999999e-06
1930,8.67e-06
1931,9.299999999999999e-06
1932,9.91e-06
1933,1.0500000000000001e-05
1934,1.11e-05
1935,1.1599999999999999e-05
1936,1.22e-05
1937,1.2800000000000001e-05
1938,1.33e-05
1939,1.3899999999999999e-05
1940,1.45e-05
1941,1.52e-05
1942,1.6400000000000002e-05
1943,1.78e-05
1944,1.94e-05
1945,2.13e-05
1946,2.3199999999999998e-05
1947,2.53e-05
1948,2.7400000000000002e-05
1949,2.95e-05
1950,3.15e-05
1951,3.35e-05
1952,3.56e-05
1953,3.78e-05
1954,4.01e-05
1955,4.24e-05
1956,4.48e-05
1957,4.7300000000000005e-05
1958,4.98e-05
1959,5.24e-05
1960,5.5e-05
1961,5.77e-05
1962,6.05e-05
1963,6.34e-05
1964,6.64e-05
1965,6.950000000000001e-05
1966,7.27e-05
1967,7.580000000000001e-05
1968,7.89e-05
1969,8.2e-05
1970,8.2e-05
1971,0.0008219999999999999
1972,0.00145
1973,0.00232
1974,0.0275
1975,0.238
1976,0.489
1977,0.667
1978,0.421
1979,0.415
1980,0.438
1981,0.526
1982,0.474
1983,0.398
1984,0.497
1985,0.708
1986,0.785
1987,0.55
1988,0.743
1989,0.751
1990,0.638
1991,0.877
1992,0.737
1993,0.417
1994,0.723
1995,0.624
1996,0.598
1997,0.608
1998,0.667
1999,0.671
2000,0.73
2001,0.837
2002,1.02
2003,1.23
2004,1.51
2005,1.72
2006,1.9
2007,2.31
2008,2.45
2009,2.39
2010,3.58
2011,3.98
2012,4.68
2013,4.81
2014,5.11
2015,4.88
2016,5.24
2017,5.35
2018,5.25