year,IPC2
1850,2.84e-08
1851,2.84e-08
1852,2.84e-08
1853,2.84e-08
1854,2.84e-08
1855,2.84e-08
1856,2.84e-08
1857,2.84e-08
1858,2.84e-08
1859,2.84e-08
1860,2.84e-08
1861,2.84e-08
1862,2.84e-08
1863,2.84e-08
1864,2.84e-08
1865,2.84e-08
1866,2.84e-08
1867,2.84e-08
1868,2.84e-08
1869,2.84e-08
1870,2.84e-08
1871,2.84e-08
1872,2.84e-08
1873,2.84e-08
1874,2.84e-08
1875,2.84e-08
1876,2.84e-08
1877,2.84e-08
1878,2.84e-08
1879,2.84e-08
1880,2.84e-08
1881,2.84e-08
1882,2.84e-08
1883,2.84e-08
1884,2.84e-08
1885,2.84e-08
1886,2.84e-08
1887,2.84e-08
1888,2.84e-08
1889,2.84e-08
1890,2.84e-08
1891,3.25e-08
1892,4.38e-08
1893,6.090000000000001e-08
1894,8.24e-08
1895,1.07e-07
1896,1.33e-07
1897,1.5899999999999998e-07
1898,1.84e-07
1899,2.06e-07
1900,2.25e-07
1901,2.4000000000000003e-07
1902,2.53e-07
1903,2.66e-07
1904,2.78e-07
1905,2.8899999999999995e-07
1906,3.01e-07
1907,3.13e-07
1908,3.2600000000000003e-07
1909,3.4000000000000003e-07
1910,3.5599999999999996e-07
1911,3.73e-07
1912,3.91e-07
1913,4.1e-07
1914,4.3100000000000003e-07
1915,4.5199999999999997e-07
1916,4.75e-07
1917,4.979999999999999e-07
1918,5.23e-07
1919,5.490000000000001e-07
1920,5.76e-07
1921,6.98e-07
1922,9.89e-07
1923,1.42e-06
1924,1.95e-06
1925,2.55e-06
1926,3.19e-06
1927,3.83e-06
1928,4.45e-06
1929,5.0099999999999995e-06
1930,5.47e-06
1931,5.8700000000000005e-06
1932,6.25e-06
1933,6.62e-06
1934,6.98e-06
1935,7.33e-06
1936,7.680000000000001e-06
1937,8.030000000000001e-06
1938,8.39e-06
1939,8.750000000000001e-06
1940,9.119999999999999e-06
1941,1.92e-05
1942,4.68e-05
1943,8.87e-05
1944,0.00014199999999999998
1945,0.000203
1946,0.00027
1947,0.000339
1948,0.000406
1949,0.00047
1950,0.000527
1951,0.000579
1952,0.000631
1953,0.000683
1954,0.000735
1955,0.000787
1956,0.0008399999999999999
1957,0.000892
1958,0.000945
1959,0.000997
1960,0.0010500000000000002
1961,0.0011
1962,0.00114
1963,0.0011799999999999998
1964,0.00122
1965,0.00126
1966,0.00131
1967,0.00136
1968,0.0014199999999999998
1969,0.00149
1970,0.00148
1971,0.040100000000000004
1972,0.0701
1973,0.113
1974,0.159
1975,0.376
1976,0.545
1977,0.667
1978,0.485
1979,0.478
1980,0.478
1981,0.559
1982,0.553
1983,0.53
1984,0.693
1985,0.941
1986,1.04
1987,0.925
1988,1.08
1989,1.17
1990,1.22
1991,1.23
1992,1.3
1993,1.22
1994,1.18
1995,1.15
1996,1.17
1997,1.23
1998,1.3
1999,1.39
2000,1.56
2001,1.61
2002,1.98
2003,2.35
2004,2.88
2005,3.47
2006,3.74
2007,4.2
2008,4.6
2009,5.97
2010,7.85
2011,8.56
2012,9.0
2013,8.74
2014,9.11
2015,8.22
2016,8.64
2017,8.43
2018,8.1