year,IPC2
1850,5.19e-07
1851,5.19e-07
1852,5.19e-07
1853,5.19e-07
1854,5.19e-07
1855,5.19e-07
1856,5.19e-07
1857,5.19e-07
1858,5.19e-07
1859,5.19e-07
1860,5.19e-07
1861,5.19e-07
1862,5.19e-07
1863,5.19e-07
1864,5.19e-07
1865,5.19e-07
1866,5.19e-07
1867,5.19e-07
1868,5.2e-07
1869,5.2e-07
1870,5.2e-07
1871,5.2e-07
1872,5.2e-07
1873,5.2e-07
1874,5.2e-07
1875,5.2e-07
1876,5.2e-07
1877,5.2e-07
1878,5.2e-07
1879,5.2e-07
1880,5.2e-07
1881,5.2e-07
1882,5.2e-07
1883,5.2e-07
1884,5.2e-07
1885,5.2e-07
1886,5.2e-07
1887,5.2e-07
1888,5.2e-07
1889,5.2e-07
1890,5.2e-07
1891,5.95e-07
1892,8.009999999999999e-07
1893,1.1100000000000002e-06
1894,1.5100000000000002e-06
1895,1.96e-06
1896,2.43e-06
1897,2.9099999999999997e-06
1898,3.3700000000000003e-06
1899,3.78e-06
1900,4.11e-06
1901,4.38e-06
1902,4.63e-06
1903,4.86e-06
1904,5.0800000000000005e-06
1905,5.3e-06
1906,5.51e-06
1907,5.74e-06
1908,5.97e-06
1909,6.2300000000000005e-06
1910,6.519999999999999e-06
1911,6.83e-06
1912,7.16e-06
1913,7.51e-06
1914,7.879999999999999e-06
1915,8.279999999999999e-06
1916,8.69e-06
1917,9.119999999999999e-06
1918,9.57e-06
1919,1e-05
1920,1.0500000000000001e-05
1921,1.2800000000000001e-05
1922,1.8100000000000003e-05
1923,2.59e-05
1924,3.56e-05
1925,4.66e-05
1926,5.83e-05
1927,7.01e-05
1928,8.14e-05
1929,9.16e-05
1930,0.0001
1931,0.000107
1932,0.000114
1933,0.000121
1934,0.000128
1935,0.000134
1936,0.00014099999999999998
1937,0.000147
1938,0.000154
1939,0.00016
1940,0.00016700000000000002
1941,0.000179
1942,0.000199
1943,0.000228
1944,0.000262
1945,0.0003
1946,0.00034100000000000005
1947,0.000384
1948,0.00042699999999999997
1949,0.00046899999999999996
1950,0.000508
1951,0.000546
1952,0.000584
1953,0.000624
1954,0.000665
1955,0.000707
1956,0.000749
1957,0.0007920000000000001
1958,0.0008359999999999999
1959,0.00088
1960,0.000924
1961,0.000969
1962,0.00101
1963,0.00106
1964,0.0011
1965,0.00115
1966,0.0012
1967,0.00125
1968,0.0013
1969,0.0019
1970,0.00287
1971,0.0855
1972,0.33
1973,0.435
1974,0.411
1975,0.41
1976,0.52
1977,0.544
1978,0.568
1979,0.586
1980,0.59
1981,0.587
1982,0.621
1983,0.83
1984,0.919
1985,0.915
1986,0.883
1987,0.923
1988,0.918
1989,0.904
1990,0.89
1991,0.84
1992,0.749
1993,0.808
1994,0.613
1995,0.739
1996,0.767
1997,0.691
1998,0.744
1999,0.741
2000,0.722
2001,0.692
2002,0.696
2003,0.777
2004,0.855
2005,0.924
2006,1.01
2007,1.09
2008,1.15
2009,1.25
2010,1.4
2011,1.44
2012,1.56
2013,1.63
2014,1.79
2015,1.83
2016,1.92
2017,2.09
2018,2.32