year,IPC2
1850,7.09e-09
1851,7.09e-09
1852,7.09e-09
1853,7.09e-09
1854,7.09e-09
1855,7.09e-09
1856,7.09e-09
1857,7.09e-09
1858,7.09e-09
1859,7.09e-09
1860,7.09e-09
1861,7.09e-09
1862,7.09e-09
1863,7.09e-09
1864,7.09e-09
1865,7.09e-09
1866,7.09e-09
1867,7.09e-09
1868,7.1e-09
1869,7.1e-09
1870,7.1e-09
1871,7.1e-09
1872,7.1e-09
1873,7.1e-09
1874,7.1e-09
1875,7.1e-09
1876,7.1e-09
1877,7.1e-09
1878,7.1e-09
1879,7.1e-09
1880,7.1e-09
1881,7.1e-09
1882,7.1e-09
1883,7.1e-09
1884,7.1e-09
1885,7.1e-09
1886,7.1e-09
1887,7.1e-09
1888,7.1e-09
1889,7.1e-09
1890,7.1e-09
1891,8.120000000000001e-09
1892,1.09e-08
1893,1.52e-08
1894,2.06e-08
1895,2.6699999999999998e-08
1896,3.32e-08
1897,3.98e-08
1898,4.6e-08
1899,5.16e-08
1900,5.61e-08
1901,5.99e-08
1902,6.329999999999999e-08
1903,6.64e-08
1904,6.940000000000001e-08
1905,7.24e-08
1906,7.53e-08
1907,7.83e-08
1908,8.16e-08
1909,8.51e-08
1910,8.899999999999999e-08
1911,9.330000000000001e-08
1912,9.78e-08
1913,1.03e-07
1914,1.08e-07
1915,1.1299999999999999e-07
1916,1.1900000000000001e-07
1917,1.25e-07
1918,1.3100000000000002e-07
1919,1.37e-07
1920,1.44e-07
1921,1.75e-07
1922,2.47e-07
1923,3.5399999999999997e-07
1924,4.86e-07
1925,6.37e-07
1926,7.960000000000001e-07
1927,9.57e-07
1928,1.1100000000000002e-06
1929,1.25e-06
1930,1.37e-06
1931,1.47e-06
1932,1.5599999999999999e-06
1933,1.66e-06
1934,1.75e-06
1935,1.83e-06
1936,1.9200000000000003e-06
1937,2.0100000000000002e-06
1938,2.1e-06
1939,2.19e-06
1940,2.2799999999999998e-06
1941,2.38e-06
1942,2.48e-06
1943,2.58e-06
1944,2.69e-06
1945,2.8e-06
1946,2.92e-06
1947,3.05e-06
1948,3.18e-06
1949,3.33e-06
1950,3.48e-06
1951,3.65e-06
1952,3.83e-06
1953,4.0299999999999995e-06
1954,4.24e-06
1955,4.4600000000000005e-06
1956,4.69e-06
1957,4.93e-06
1958,5.1799999999999995e-06
1959,5.4400000000000004e-06
1960,5.69e-06
1961,5.98e-06
1962,6.3e-06
1963,6.66e-06
1964,7.03e-06
1965,7.4e-06
1966,7.77e-06
1967,8.109999999999999e-06
1968,8.43e-06
1969,8.710000000000001e-06
1970,8.74e-06
1971,0.000135
1972,0.000272
1973,0.000408
1974,0.000545
1975,0.000678
1976,0.0008139999999999999
1977,0.000949
1978,0.00108
1979,0.00122
1980,0.00123
1981,0.00123
1982,0.00124
1983,0.00124
1984,0.00342
1985,0.00376
1986,0.00378
1987,0.00381
1988,0.0038399999999999997
1989,0.00387
1990,0.003
1991,0.00322
1992,0.0038399999999999997
1993,0.00467
1994,0.0048200000000000005
1995,0.00735
1996,0.009609999999999999
1997,0.0144
1998,0.020399999999999998
1999,0.0249
2000,0.023399999999999997
2001,0.0259
2002,0.0261
2003,0.0251
2004,0.023399999999999997
2005,0.0215
2006,0.0224
2007,0.0219
2008,0.0214
2009,0.0214
2010,0.0214
2011,0.015
2012,0.00445
2013,0.00497
2014,0.00347
2015,2.3800000000000003e-05
2016,1.07e-05
2017,0.00147
2018,9.91e-06