year,IPC2
1850,8.58e-11
1851,8.58e-11
1852,8.58e-11
1853,8.58e-11
1854,8.58e-11
1855,8.58e-11
1856,8.58e-11
1857,8.58e-11
1858,8.58e-11
1859,8.58e-11
1860,8.58e-11
1861,8.58e-11
1862,8.58e-11
1863,8.58e-11
1864,8.58e-11
1865,8.58e-11
1866,8.58e-11
1867,8.58e-11
1868,8.58e-11
1869,8.58e-11
1870,8.58e-11
1871,8.58e-11
1872,8.58e-11
1873,8.58e-11
1874,8.58e-11
1875,8.58e-11
1876,8.58e-11
1877,8.58e-11
1878,8.58e-11
1879,8.58e-11
1880,8.58e-11
1881,8.58e-11
1882,8.58e-11
1883,8.58e-11
1884,8.59e-11
1885,8.59e-11
1886,8.59e-11
1887,8.59e-11
1888,8.59e-11
1889,8.59e-11
1890,8.59e-11
1891,9.83e-11
1892,1.3199999999999998e-10
1893,1.84e-10
1894,2.49e-10
1895,3.23e-10
1896,4.02e-10
1897,4.81e-10
1898,5.57e-10
1899,6.24e-10
1900,6.789999999999999e-10
1901,7.24e-10
1902,7.659999999999999e-10
1903,8.04e-10
1904,8.4e-10
1905,8.75e-10
1906,9.110000000000001e-10
1907,9.48e-10
1908,9.87e-10
1909,1.0300000000000002e-09
1910,1.08e-09
1911,1.13e-09
1912,1.1799999999999999e-09
1913,1.24e-09
1914,1.3e-09
1915,1.37e-09
1916,1.44e-09
1917,1.51e-09
1918,1.58e-09
1919,1.66e-09
1920,1.74e-09
1921,2.11e-09
1922,2.9900000000000002e-09
1923,4.279999999999999e-09
1924,5.8799999999999995e-09
1925,7.700000000000001e-09
1926,9.63e-09
1927,1.1600000000000001e-08
1928,1.3400000000000001e-08
1929,1.51e-08
1930,1.6500000000000002e-08
1931,1.78e-08
1932,1.8899999999999997e-08
1933,2e-08
1934,2.11e-08
1935,2.22e-08
1936,2.3200000000000003e-08
1937,2.4300000000000003e-08
1938,2.54e-08
1939,2.65e-08
1940,2.76e-08
1941,4.85e-08
1942,1.05e-07
1943,1.9e-07
1944,2.98e-07
1945,4.2299999999999996e-07
1946,5.590000000000001e-07
1947,6.98e-07
1948,8.36e-07
1949,9.66e-07
1950,1.08e-06
1951,1.19e-06
1952,1.29e-06
1953,1.4e-06
1954,1.5100000000000002e-06
1955,1.61e-06
1956,1.72e-06
1957,1.83e-06
1958,1.93e-06
1959,2.04e-06
1960,2.15e-06
1961,2.2499999999999996e-06
1962,2.34e-06
1963,2.4199999999999997e-06
1964,2.5e-06
1965,2.5899999999999998e-06
1966,2.68e-06
1967,2.79e-06
1968,2.9099999999999997e-06
1969,3.06e-06
1970,3.04e-06
1971,2.24e-05
1972,1.6e-05
1973,4.43e-05
1974,0.000257
1975,0.00684
1976,0.0134
1977,0.0155
1978,0.0154
1979,0.0366
1980,0.0412
1981,0.0418
1982,0.0441
1983,0.0426
1984,0.0435
1985,0.0442
1986,0.048799999999999996
1987,0.06520000000000001
1988,0.11
1989,0.139
1990,0.0514
1991,0.0512
1992,0.0512
1993,0.0513
1994,0.0523
1995,0.055
1996,0.055299999999999995
1997,0.06709999999999999
1998,0.08979999999999999
1999,0.127
2000,0.186
2001,0.229
2002,0.292
2003,0.357
2004,0.427
2005,0.626
2006,0.587
2007,0.736
2008,0.817
2009,0.971
2010,1.16
2011,1.34
2012,1.76
2013,2.86
2014,4.23
2015,5.19
2016,5.57
2017,4.63
2018,4.99