year,IPC2
1850,1.34e-06
1851,1.34e-06
1852,1.34e-06
1853,1.34e-06
1854,1.34e-06
1855,1.34e-06
1856,1.34e-06
1857,1.34e-06
1858,1.34e-06
1859,1.34e-06
1860,1.34e-06
1861,1.34e-06
1862,1.34e-06
1863,1.34e-06
1864,1.34e-06
1865,1.34e-06
1866,1.34e-06
1867,1.34e-06
1868,1.34e-06
1869,1.34e-06
1870,1.34e-06
1871,1.34e-06
1872,1.34e-06
1873,1.34e-06
1874,1.34e-06
1875,1.34e-06
1876,1.34e-06
1877,1.34e-06
1878,1.34e-06
1879,1.34e-06
1880,1.34e-06
1881,1.34e-06
1882,1.34e-06
1883,1.34e-06
1884,1.34e-06
1885,1.34e-06
1886,1.34e-06
1887,1.34e-06
1888,1.34e-06
1889,1.34e-06
1890,1.34e-06
1891,1.57e-06
1892,2.19e-06
1893,3.14e-06
1894,4.32e-06
1895,5.67e-06
1896,7.11e-06
1897,8.56e-06
1898,9.94e-06
1899,1.12e-05
1900,1.22e-05
1901,1.3e-05
1902,1.38e-05
1903,1.44e-05
1904,1.5100000000000001e-05
1905,1.58e-05
1906,1.6400000000000002e-05
1907,1.7100000000000002e-05
1908,1.78e-05
1909,1.8599999999999998e-05
1910,1.94e-05
1911,2.04e-05
1912,2.14e-05
1913,2.24e-05
1914,2.36e-05
1915,2.47e-05
1916,2.6e-05
1917,2.7300000000000003e-05
1918,2.86e-05
1919,3.01e-05
1920,3.16e-05
1921,3.76e-05
1922,5.16e-05
1923,7.199999999999999e-05
1924,9.74e-05
1925,0.000126
1926,0.000157
1927,0.000187
1928,0.000217
1929,0.000244
1930,0.000266
1931,0.00028599999999999996
1932,0.000304
1933,0.000322
1934,0.00034
1935,0.000357
1936,0.000374
1937,0.000391
1938,0.00040899999999999997
1939,0.000426
1940,0.000444
1941,0.000462
1942,0.00047999999999999996
1943,0.0005
1944,0.0005200000000000001
1945,0.000541
1946,0.0005629999999999999
1947,0.000587
1948,0.0006129999999999999
1949,0.00064
1950,0.000669
1951,0.0007
1952,0.000735
1953,0.000773
1954,0.0008129999999999999
1955,0.000855
1956,0.0009
1957,0.0009459999999999999
1958,0.000993
1959,0.0010400000000000001
1960,0.00109
1961,0.00115
1962,0.00121
1963,0.00128
1964,0.00135
1965,0.0014199999999999998
1966,0.00149
1967,0.00156
1968,0.0016200000000000001
1969,0.00159
1970,0.00155
1971,0.0016200000000000001
1972,0.00146
1973,0.00151
1974,0.00156
1975,0.00145
1976,0.00146
1977,0.0015300000000000001
1978,0.00157
1979,0.0016699999999999998
1980,0.00177
1981,0.00171
1982,0.00158
1983,0.0016
1984,0.0016799999999999999
1985,0.00155
1986,0.00177
1987,0.00163
1988,0.0016200000000000001
1989,0.0016200000000000001
1990,0.00164
1991,0.0014299999999999998
1992,0.000888
1993,0.000569
1994,0.00036899999999999997
1995,0.00032
1996,0.00035099999999999997
1997,0.000382
1998,0.000428
1999,0.00040500000000000003
2000,0.0005600000000000001
2001,0.00048699999999999997
2002,0.000426
2003,0.0005380000000000001
2004,0.00046899999999999996
2005,0.000364
2006,0.0004
2007,0.000388
2008,0.000408
2009,0.000421
2010,0.000486
2011,0.000444
2012,0.000404
2013,0.000441
2014,0.000306
2015,0.000279
2016,0.000193
2017,0.000123
2018,5.4e-05