year,IPC2
1850,1.83e-06
1851,1.83e-06
1852,1.83e-06
1853,1.83e-06
1854,1.83e-06
1855,1.83e-06
1856,1.83e-06
1857,1.83e-06
1858,1.83e-06
1859,1.83e-06
1860,1.83e-06
1861,1.83e-06
1862,1.83e-06
1863,1.83e-06
1864,1.83e-06
1865,1.83e-06
1866,1.83e-06
1867,1.83e-06
1868,1.83e-06
1869,1.83e-06
1870,1.83e-06
1871,1.83e-06
1872,1.83e-06
1873,1.83e-06
1874,1.83e-06
1875,1.83e-06
1876,1.83e-06
1877,1.83e-06
1878,1.83e-06
1879,1.83e-06
1880,1.83e-06
1881,1.83e-06
1882,1.83e-06
1883,1.83e-06
1884,1.83e-06
1885,1.83e-06
1886,1.83e-06
1887,1.83e-06
1888,1.83e-06
1889,1.83e-06
1890,1.83e-06
1891,2.14e-06
1892,2.99e-06
1893,4.270000000000001e-06
1894,5.89e-06
1895,7.73e-06
1896,9.69e-06
1897,1.17e-05
1898,1.35e-05
1899,1.52e-05
1900,1.66e-05
1901,1.77e-05
1902,1.87e-05
1903,1.9699999999999998e-05
1904,2.06e-05
1905,2.1499999999999997e-05
1906,2.24e-05
1907,2.33e-05
1908,2.42e-05
1909,2.53e-05
1910,2.65e-05
1911,2.7799999999999998e-05
1912,2.91e-05
1913,3.06e-05
1914,3.2099999999999994e-05
1915,3.37e-05
1916,3.54e-05
1917,3.7199999999999996e-05
1918,3.9e-05
1919,4.1e-05
1920,4.2999999999999995e-05
1921,5.8700000000000004e-05
1922,9.810000000000001e-05
1923,0.000156
1924,0.00022700000000000002
1925,0.000306
1926,0.00038700000000000003
1927,0.000465
1928,0.000535
1929,0.000592
1930,0.00063
1931,0.000651
1932,0.00066
1933,0.00066
1934,0.000655
1935,0.000646
1936,0.000638
1937,0.000631
1938,0.000631
1939,0.000638
1940,0.000656
1941,0.0006820000000000001
1942,0.0007109999999999999
1943,0.000742
1944,0.000776
1945,0.0008129999999999999
1946,0.000852
1947,0.000894
1948,0.000939
1949,0.000986
1950,0.0010400000000000001
1951,0.00109
1952,0.00115
1953,0.00121
1954,0.00128
1955,0.00135
1956,0.0014299999999999998
1957,0.00151
1958,0.0016
1959,0.0016799999999999999
1960,0.00177
1961,0.0018700000000000001
1962,0.00198
1963,0.00211
1964,0.0022400000000000002
1965,0.0023799999999999997
1966,0.0025099999999999996
1967,0.00265
1968,0.00278
1969,0.00278
1970,0.0029
1971,0.00282
1972,0.0029
1973,0.00296
1974,0.00302
1975,0.00292
1976,0.0032
1977,0.00348
1978,0.00362
1979,0.00385
1980,0.00414
1981,0.00422
1982,0.004059999999999999
1983,0.00411
1984,0.00426
1985,0.00362
1986,0.0038799999999999998
1987,0.00422
1988,0.00439
1989,0.00419
1990,0.0051600000000000005
1991,0.00557
1992,0.00654
1993,0.00833
1994,0.00674
1995,0.00435
1996,0.0048
1997,0.0052699999999999995
1998,0.00624
1999,0.0067599999999999995
2000,0.0076
2001,0.0079
2002,0.008369999999999999
2003,0.0087
2004,0.00905
2005,0.00905
2006,0.00996
2007,0.011
2008,0.012199999999999999
2009,0.013099999999999999
2010,0.0143
2011,0.016
2012,0.0127
2013,0.0181
2014,0.0173
2015,0.0188
2016,0.0209
2017,0.0241
2018,0.022600000000000002