year,IPC2
1850,8.07e-07
1851,8.07e-07
1852,8.07e-07
1853,8.07e-07
1854,8.07e-07
1855,8.07e-07
1856,8.07e-07
1857,8.07e-07
1858,8.07e-07
1859,8.07e-07
1860,8.07e-07
1861,8.07e-07
1862,8.07e-07
1863,8.07e-07
1864,8.07e-07
1865,8.07e-07
1866,8.08e-07
1867,8.08e-07
1868,8.08e-07
1869,8.08e-07
1870,8.08e-07
1871,8.08e-07
1872,8.08e-07
1873,8.08e-07
1874,8.08e-07
1875,8.08e-07
1876,8.08e-07
1877,8.08e-07
1878,8.08e-07
1879,8.08e-07
1880,8.08e-07
1881,8.08e-07
1882,8.08e-07
1883,8.08e-07
1884,8.08e-07
1885,8.08e-07
1886,8.08e-07
1887,8.08e-07
1888,8.08e-07
1889,8.09e-07
1890,8.09e-07
1891,9.25e-07
1892,1.25e-06
1893,1.73e-06
1894,2.34e-06
1895,3.04e-06
1896,3.78e-06
1897,4.53e-06
1898,5.24e-06
1899,5.8700000000000005e-06
1900,6.39e-06
1901,6.82e-06
1902,7.2e-06
1903,7.56e-06
1904,7.9e-06
1905,8.24e-06
1906,8.57e-06
1907,8.920000000000001e-06
1908,9.289999999999999e-06
1909,9.69e-06
1910,1.01e-05
1911,1.06e-05
1912,1.11e-05
1913,1.17e-05
1914,1.23e-05
1915,1.29e-05
1916,1.35e-05
1917,1.4200000000000001e-05
1918,1.49e-05
1919,1.56e-05
1920,1.6400000000000002e-05
1921,1.9900000000000003e-05
1922,2.82e-05
1923,4.0300000000000004e-05
1924,5.54e-05
1925,7.25e-05
1926,9.070000000000001e-05
1927,0.00010899999999999999
1928,0.000127
1929,0.00014199999999999998
1930,0.000156
1931,0.00016700000000000002
1932,0.000178
1933,0.000188
1934,0.000199
1935,0.00020899999999999998
1936,0.000219
1937,0.000229
1938,0.00023899999999999998
1939,0.000249
1940,0.00026000000000000003
1941,0.00028399999999999996
1942,0.000332
1943,0.000399
1944,0.000483
1945,0.000578
1946,0.00068
1947,0.000787
1948,0.000893
1949,0.000994
1950,0.00109
1951,0.0011799999999999998
1952,0.00127
1953,0.00136
1954,0.00145
1955,0.0015400000000000001
1956,0.00164
1957,0.00174
1958,0.00183
1959,0.0019299999999999999
1960,0.0020299999999999997
1961,0.00213
1962,0.00222
1963,0.00232
1964,0.0024100000000000002
1965,0.0025
1966,0.00261
1967,0.00271
1968,0.00283
1969,0.00369
1970,0.00538
1971,0.00704
1972,0.006900000000000001
1973,0.00883
1974,0.00719
1975,0.0106
1976,0.0144
1977,0.0182
1978,0.023600000000000003
1979,0.0319
1980,0.037
1981,0.0395
1982,0.044
1983,0.046200000000000005
1984,0.048100000000000004
1985,0.0551
1986,0.0576
1987,0.0569
1988,0.0538
1989,0.0518
1990,0.052899999999999996
1991,0.0559
1992,0.0683
1993,0.0788
1994,0.107
1995,0.148
1996,0.189
1997,0.239
1998,0.304
1999,0.397
2000,0.466
2001,0.529
2002,0.609
2003,0.674
2004,0.745
2005,0.817
2006,0.918
2007,0.995
2008,1.08
2009,1.09
2010,1.29
2011,1.33
2012,1.35
2013,1.38
2014,1.37
2015,1.29
2016,1.26
2017,1.19
2018,1.14