year,IPC2
1850,7.11e-08
1851,7.11e-08
1852,7.11e-08
1853,7.11e-08
1854,7.11e-08
1855,7.11e-08
1856,7.11e-08
1857,7.11e-08
1858,7.11e-08
1859,7.11e-08
1860,7.11e-08
1861,7.11e-08
1862,7.11e-08
1863,7.11e-08
1864,7.11e-08
1865,7.11e-08
1866,7.11e-08
1867,7.11e-08
1868,7.12e-08
1869,7.12e-08
1870,7.12e-08
1871,7.12e-08
1872,7.12e-08
1873,7.12e-08
1874,7.12e-08
1875,7.12e-08
1876,7.12e-08
1877,7.12e-08
1878,7.12e-08
1879,7.12e-08
1880,7.12e-08
1881,7.12e-08
1882,7.12e-08
1883,7.12e-08
1884,7.12e-08
1885,7.12e-08
1886,7.12e-08
1887,7.12e-08
1888,7.12e-08
1889,7.12e-08
1890,7.12e-08
1891,8.150000000000001e-08
1892,1.1e-07
1893,1.53e-07
1894,2.06e-07
1895,2.68e-07
1896,3.3300000000000003e-07
1897,3.99e-07
1898,4.6099999999999996e-07
1899,5.17e-07
1900,5.63e-07
1901,6e-07
1902,6.350000000000001e-07
1903,6.660000000000001e-07
1904,6.96e-07
1905,7.26e-07
1906,7.550000000000001e-07
1907,7.86e-07
1908,8.18e-07
1909,8.54e-07
1910,8.930000000000001e-07
1911,9.349999999999999e-07
1912,9.81e-07
1913,1.03e-06
1914,1.08e-06
1915,1.13e-06
1916,1.19e-06
1917,1.25e-06
1918,1.31e-06
1919,1.38e-06
1920,1.4400000000000002e-06
1921,1.75e-06
1922,2.48e-06
1923,3.5500000000000003e-06
1924,4.88e-06
1925,6.38e-06
1926,7.99e-06
1927,9.6e-06
1928,1.11e-05
1929,1.25e-05
1930,1.3700000000000001e-05
1931,1.47e-05
1932,1.57e-05
1933,1.66e-05
1934,1.7500000000000002e-05
1935,1.84e-05
1936,1.93e-05
1937,2.01e-05
1938,2.1000000000000002e-05
1939,2.19e-05
1940,2.29e-05
1941,5.69e-05
1942,0.00015
1943,0.000292
1944,0.000472
1945,0.0006810000000000001
1946,0.000907
1947,0.00114
1948,0.0013700000000000001
1949,0.00158
1950,0.0017800000000000001
1951,0.00195
1952,0.00213
1953,0.00231
1954,0.00248
1955,0.00266
1956,0.0028399999999999996
1957,0.0030099999999999997
1958,0.00319
1959,0.00337
1960,0.0035499999999999998
1961,0.0037099999999999998
1962,0.0038599999999999997
1963,0.0039900000000000005
1964,0.00413
1965,0.00426
1966,0.00442
1967,0.0045899999999999995
1968,0.0048
1969,0.00504
1970,0.004900000000000001
1971,0.006730000000000001
1972,0.00654
1973,0.00864
1974,0.00679
1975,0.0106
1976,0.0147
1977,0.0189
1978,0.0248
1979,0.0339
1980,0.0395
1981,0.0423
1982,0.047299999999999995
1983,0.0497
1984,0.0517
1985,0.0594
1986,0.0621
1987,0.0613
1988,0.0574
1989,0.0546
1990,0.055200000000000006
1991,0.0424
1992,0.0272
1993,0.0213
1994,0.09409999999999999
1995,0.167
1996,0.257
1997,0.339
1998,0.422
1999,0.501
2000,0.647
2001,0.71
2002,0.79
2003,0.869
2004,0.956
2005,1.02
2006,1.16
2007,1.18
2008,1.22
2009,1.22
2010,1.19
2011,1.19
2012,1.21
2013,1.22
2014,1.21
2015,1.16
2016,1.12
2017,1.06
2018,1.02