year,IPC2
1850,8.85e-09
1851,8.85e-09
1852,8.85e-09
1853,8.85e-09
1854,8.85e-09
1855,8.85e-09
1856,8.85e-09
1857,8.85e-09
1858,8.85e-09
1859,8.85e-09
1860,8.85e-09
1861,8.85e-09
1862,8.85e-09
1863,8.85e-09
1864,8.86e-09
1865,8.86e-09
1866,8.86e-09
1867,8.86e-09
1868,8.86e-09
1869,8.86e-09
1870,8.86e-09
1871,8.86e-09
1872,8.86e-09
1873,8.86e-09
1874,8.86e-09
1875,8.86e-09
1876,8.86e-09
1877,8.86e-09
1878,8.86e-09
1879,8.86e-09
1880,8.86e-09
1881,8.86e-09
1882,8.86e-09
1883,8.86e-09
1884,8.86e-09
1885,8.86e-09
1886,8.87e-09
1887,8.87e-09
1888,8.87e-09
1889,8.87e-09
1890,8.87e-09
1891,1.04e-08
1892,1.45e-08
1893,2.0699999999999997e-08
1894,2.85e-08
1895,3.7400000000000004e-08
1896,4.69e-08
1897,5.64e-08
1898,6.550000000000001e-08
1899,7.37e-08
1900,8.03e-08
1901,8.569999999999999e-08
1902,9.07e-08
1903,9.53e-08
1904,9.97e-08
1905,1.0399999999999999e-07
1906,1.08e-07
1907,1.1299999999999999e-07
1908,1.17e-07
1909,1.22e-07
1910,1.2799999999999998e-07
1911,1.34e-07
1912,1.41e-07
1913,1.48e-07
1914,1.55e-07
1915,1.6300000000000002e-07
1916,1.71e-07
1917,1.8000000000000002e-07
1918,1.89e-07
1919,1.98e-07
1920,2.0799999999999998e-07
1921,2.48e-07
1922,3.4000000000000003e-07
1923,4.75e-07
1924,6.42e-07
1925,8.319999999999999e-07
1926,1.03e-06
1927,1.24e-06
1928,1.43e-06
1929,1.61e-06
1930,1.76e-06
1931,1.88e-06
1932,2.0100000000000002e-06
1933,2.13e-06
1934,2.2399999999999997e-06
1935,2.3600000000000003e-06
1936,2.47e-06
1937,2.58e-06
1938,2.69e-06
1939,2.81e-06
1940,2.93e-06
1941,3.05e-06
1942,3.17e-06
1943,3.3e-06
1944,3.4299999999999998e-06
1945,3.5699999999999997e-06
1946,3.7200000000000004e-06
1947,3.87e-06
1948,4.04e-06
1949,4.219999999999999e-06
1950,4.41e-06
1951,4.62e-06
1952,4.85e-06
1953,5.1e-06
1954,5.36e-06
1955,5.64e-06
1956,5.93e-06
1957,6.2399999999999995e-06
1958,6.55e-06
1959,6.87e-06
1960,7.2e-06
1961,7.56e-06
1962,7.97e-06
1963,8.41e-06
1964,8.880000000000001e-06
1965,9.35e-06
1966,9.820000000000001e-06
1967,1.03e-05
1968,1.07e-05
1969,1.1e-05
1970,1.11e-05
1971,0.00017
1972,0.000342
1973,0.000513
1974,0.0006860000000000001
1975,0.000853
1976,0.00102
1977,0.0011899999999999999
1978,0.00136
1979,0.0015300000000000001
1980,0.0015400000000000001
1981,0.00155
1982,0.00155
1983,0.00156
1984,0.00445
1985,0.004900000000000001
1986,0.0049299999999999995
1987,0.00497
1988,0.005
1989,0.00504
1990,0.0038900000000000002
1991,0.00418
1992,0.005
1993,0.00609
1994,0.0062900000000000005
1995,0.00954
1996,0.0124
1997,0.0185
1998,0.0261
1999,0.0317
2000,0.0294
2001,0.032600000000000004
2002,0.0329
2003,0.0316
2004,0.0295
2005,0.027100000000000003
2006,0.028300000000000002
2007,0.027600000000000003
2008,0.027
2009,0.027
2010,0.0269
2011,0.0189
2012,0.00536
2013,0.00584
2014,0.00421
2015,2.8e-05
2016,1.25e-05
2017,0.00173
2018,1.1599999999999999e-05