year,IPC2
1850,2.39e-07
1851,2.39e-07
1852,2.39e-07
1853,2.39e-07
1854,2.39e-07
1855,2.39e-07
1856,2.39e-07
1857,2.39e-07
1858,2.39e-07
1859,2.39e-07
1860,2.39e-07
1861,2.39e-07
1862,2.39e-07
1863,2.39e-07
1864,2.39e-07
1865,2.39e-07
1866,2.39e-07
1867,2.39e-07
1868,2.39e-07
1869,2.39e-07
1870,2.39e-07
1871,2.39e-07
1872,2.39e-07
1873,2.39e-07
1874,2.39e-07
1875,2.39e-07
1876,2.39e-07
1877,2.39e-07
1878,2.39e-07
1879,2.39e-07
1880,2.39e-07
1881,2.39e-07
1882,2.39e-07
1883,2.39e-07
1884,2.39e-07
1885,2.39e-07
1886,2.39e-07
1887,2.39e-07
1888,2.39e-07
1889,2.39e-07
1890,2.39e-07
1891,2.74e-07
1892,3.6900000000000004e-07
1893,5.119999999999999e-07
1894,6.930000000000001e-07
1895,8.99e-07
1896,1.1199999999999999e-06
1897,1.34e-06
1898,1.55e-06
1899,1.74e-06
1900,1.89e-06
1901,2.02e-06
1902,2.13e-06
1903,2.2399999999999997e-06
1904,2.34e-06
1905,2.44e-06
1906,2.5400000000000002e-06
1907,2.64e-06
1908,2.75e-06
1909,2.87e-06
1910,3e-06
1911,3.14e-06
1912,3.29e-06
1913,3.45e-06
1914,3.63e-06
1915,3.81e-06
1916,4e-06
1917,4.1900000000000005e-06
1918,4.4e-06
1919,4.62e-06
1920,4.85e-06
1921,5.88e-06
1922,8.33e-06
1923,1.1900000000000001e-05
1924,1.6400000000000002e-05
1925,2.14e-05
1926,2.68e-05
1927,3.22e-05
1928,3.74e-05
1929,4.21e-05
1930,4.61e-05
1931,4.94e-05
1932,5.2699999999999993e-05
1933,5.58e-05
1934,5.88e-05
1935,6.17e-05
1936,6.469999999999999e-05
1937,6.759999999999999e-05
1938,7.06e-05
1939,7.36e-05
1940,7.68e-05
1941,8e-05
1942,8.340000000000001e-05
1943,8.68e-05
1944,9.049999999999999e-05
1945,9.429999999999999e-05
1946,9.83e-05
1947,0.000103
1948,0.000107
1949,0.000112
1950,0.00011700000000000001
1951,0.000123
1952,0.000129
1953,0.000136
1954,0.00014299999999999998
1955,0.00015
1956,0.000158
1957,0.000166
1958,0.000175
1959,0.000183
1960,0.000192
1961,0.000201
1962,0.000212
1963,0.000224
1964,0.000237
1965,0.000249
1966,0.000262
1967,0.000273
1968,0.00028399999999999996
1969,0.00029299999999999997
1970,0.000307
1971,0.000317
1972,0.00033
1973,0.000342
1974,0.00035499999999999996
1975,0.000367
1976,0.000379
1977,0.00039200000000000004
1978,0.000404
1979,0.000417
1980,0.000439
1981,0.000444
1982,0.00045400000000000003
1983,0.00046
1984,0.00047099999999999996
1985,0.000477
1986,0.000488
1987,0.00051
1988,0.000521
1989,0.000541
1990,0.0005470000000000001
1991,0.000571
1992,0.000617
1993,0.000616
1994,0.000647
1995,0.00124
1996,0.00182
1997,0.00239
1998,0.0029300000000000003
1999,0.00349
2000,0.00347
2001,0.0034500000000000004
2002,0.00344
2003,0.0034300000000000003
2004,0.0034300000000000003
2005,0.00342
2006,0.0034100000000000003
2007,0.0034
2008,0.0033900000000000002
2009,0.0033799999999999998
2010,0.00337
2011,0.0037400000000000003
2012,0.00381
2013,0.00387
2014,0.00394
2015,0.004
2016,0.004070000000000001
2017,0.00414
2018,0.004200000000000001