year,IPC2
1850,4.11e-07
1851,4.11e-07
1852,4.11e-07
1853,4.11e-07
1854,4.11e-07
1855,4.11e-07
1856,4.11e-07
1857,4.11e-07
1858,4.11e-07
1859,4.11e-07
1860,4.11e-07
1861,4.11e-07
1862,4.11e-07
1863,4.11e-07
1864,4.11e-07
1865,4.11e-07
1866,4.11e-07
1867,4.11e-07
1868,4.11e-07
1869,4.12e-07
1870,4.12e-07
1871,4.12e-07
1872,4.12e-07
1873,4.12e-07
1874,4.12e-07
1875,4.12e-07
1876,4.12e-07
1877,4.12e-07
1878,4.12e-07
1879,4.12e-07
1880,4.12e-07
1881,4.12e-07
1882,4.12e-07
1883,4.12e-07
1884,4.12e-07
1885,4.12e-07
1886,4.12e-07
1887,4.12e-07
1888,4.12e-07
1889,4.12e-07
1890,4.12e-07
1891,4.81e-07
1892,6.72e-07
1893,9.61e-07
1894,1.32e-06
1895,1.74e-06
1896,2.18e-06
1897,2.62e-06
1898,3.04e-06
1899,3.42e-06
1900,3.73e-06
1901,3.98e-06
1902,4.21e-06
1903,4.43e-06
1904,4.63e-06
1905,4.83e-06
1906,5.02e-06
1907,5.23e-06
1908,5.45e-06
1909,5.69e-06
1910,5.950000000000001e-06
1911,6.2399999999999995e-06
1912,6.55e-06
1913,6.87e-06
1914,7.2100000000000004e-06
1915,7.58e-06
1916,7.96e-06
1917,8.36e-06
1918,8.77e-06
1919,9.21e-06
1920,9.67e-06
1921,1.15e-05
1922,1.58e-05
1923,2.2100000000000002e-05
1924,2.98e-05
1925,3.86e-05
1926,4.8e-05
1927,5.74e-05
1928,6.65e-05
1929,7.47e-05
1930,8.15e-05
1931,8.75e-05
1932,9.32e-05
1933,9.87e-05
1934,0.000104
1935,0.00010899999999999999
1936,0.000115
1937,0.00011999999999999999
1938,0.000125
1939,0.00013000000000000002
1940,0.000136
1941,0.00014099999999999998
1942,0.000147
1943,0.000153
1944,0.00015900000000000002
1945,0.000166
1946,0.00017299999999999998
1947,0.00017999999999999998
1948,0.000188
1949,0.00019600000000000002
1950,0.000205
1951,0.000215
1952,0.000225
1953,0.000237
1954,0.000249
1955,0.000262
1956,0.00027600000000000004
1957,0.00029
1958,0.000304
1959,0.000319
1960,0.00033400000000000004
1961,0.00035099999999999997
1962,0.00037
1963,0.000391
1964,0.000412
1965,0.000434
1966,0.000456
1967,0.00047599999999999997
1968,0.000495
1969,0.000512
1970,0.000609
1971,0.000569
1972,0.000531
1973,0.000652
1974,0.000748
1975,0.000671
1976,0.000735
1977,0.0009350000000000001
1978,0.000987
1979,0.000996
1980,0.00102
1981,0.0010400000000000001
1982,0.000896
1983,0.000768
1984,0.000905
1985,0.000891
1986,0.000976
1987,0.000949
1988,0.0009360000000000001
1989,0.000924
1990,0.000399
1991,0.000348
1992,0.00015
1993,0.000121
1994,0.000106
1995,0.00014000000000000001
1996,0.000148
1997,0.00016900000000000002
1998,0.000194
1999,0.000216
2000,0.000228
2001,0.00026000000000000003
2002,0.000266
2003,0.000265
2004,0.00023799999999999998
2005,0.000243
2006,0.000255
2007,0.000255
2008,0.000257
2009,0.000246
2010,0.000298
2011,0.00029299999999999997
2012,0.0003
2013,0.000307
2014,0.000314
2015,0.000321
2016,0.00032900000000000003
2017,0.00033600000000000004
2018,0.00034300000000000004