year,IPC2
1850,1.14e-08
1851,1.14e-08
1852,1.14e-08
1853,1.14e-08
1854,1.14e-08
1855,1.14e-08
1856,1.14e-08
1857,1.14e-08
1858,1.14e-08
1859,1.14e-08
1860,1.14e-08
1861,1.14e-08
1862,1.14e-08
1863,1.14e-08
1864,1.14e-08
1865,1.14e-08
1866,1.14e-08
1867,1.14e-08
1868,1.14e-08
1869,1.14e-08
1870,1.14e-08
1871,1.14e-08
1872,1.14e-08
1873,1.14e-08
1874,1.14e-08
1875,1.14e-08
1876,1.14e-08
1877,1.14e-08
1878,1.14e-08
1879,1.14e-08
1880,1.14e-08
1881,1.14e-08
1882,1.14e-08
1883,1.14e-08
1884,1.14e-08
1885,1.14e-08
1886,1.14e-08
1887,1.14e-08
1888,1.14e-08
1889,1.14e-08
1890,1.14e-08
1891,1.31e-08
1892,1.7600000000000002e-08
1893,2.4499999999999998e-08
1894,3.31e-08
1895,4.3e-08
1896,5.3399999999999995e-08
1897,6.399999999999999e-08
1898,7.4e-08
1899,8.3e-08
1900,9.03e-08
1901,9.63e-08
1902,1.02e-07
1903,1.07e-07
1904,1.12e-07
1905,1.16e-07
1906,1.21e-07
1907,1.26e-07
1908,1.3100000000000002e-07
1909,1.37e-07
1910,1.43e-07
1911,1.5e-07
1912,1.57e-07
1913,1.65e-07
1914,1.73e-07
1915,1.8200000000000002e-07
1916,1.91e-07
1917,2.0000000000000002e-07
1918,2.1e-07
1919,2.21e-07
1920,2.32e-07
1921,3.43e-07
1922,6.29e-07
1923,1.05e-06
1924,1.57e-06
1925,2.14e-06
1926,2.7200000000000002e-06
1927,3.29e-06
1928,3.78e-06
1929,4.18e-06
1930,4.43e-06
1931,4.54e-06
1932,4.5500000000000005e-06
1933,4.499999999999999e-06
1934,4.4e-06
1935,4.28e-06
1936,4.15e-06
1937,4.05e-06
1938,3.99e-06
1939,4e-06
1940,4.1000000000000006e-06
1941,4.26e-06
1942,4.4600000000000005e-06
1943,4.69e-06
1944,4.93e-06
1945,5.21e-06
1946,5.5e-06
1947,5.81e-06
1948,6.14e-06
1949,6.48e-06
1950,6.83e-06
1951,7.2100000000000004e-06
1952,7.62e-06
1953,8.059999999999999e-06
1954,8.540000000000001e-06
1955,9.04e-06
1956,9.58e-06
1957,1.01e-05
1958,1.07e-05
1959,1.1299999999999999e-05
1960,1.1900000000000001e-05
1961,1.26e-05
1962,1.34e-05
1963,1.4200000000000001e-05
1964,1.5100000000000001e-05
1965,1.61e-05
1966,1.7e-05
1967,1.7999999999999997e-05
1968,1.9e-05
1969,1.9900000000000003e-05
1970,2.47e-05
1971,2.41e-05
1972,2.36e-05
1973,2.99e-05
1974,3.4200000000000005e-05
1975,3.2099999999999994e-05
1976,3.68e-05
1977,4.44e-05
1978,4.66e-05
1979,4.79e-05
1980,4.82e-05
1981,4.93e-05
1982,4.5199999999999994e-05
1983,4.31e-05
1984,4.82e-05
1985,4.8599999999999995e-05
1986,5.2900000000000005e-05
1987,5.4199999999999996e-05
1988,5.69e-05
1989,5.82e-05
1990,4.9500000000000004e-05
1991,4.85e-05
1992,4.4699999999999996e-05
1993,4.7300000000000005e-05
1994,5.4800000000000004e-05
1995,5.89e-05
1996,8.730000000000001e-05
1997,8.76e-05
1998,0.000103
1999,0.000118
2000,0.000115
2001,0.000132
2002,0.00013700000000000002
2003,0.000133
2004,0.000135
2005,0.00013900000000000002
2006,0.000155
2007,0.000165
2008,0.000176
2009,0.000191
2010,0.000204
2011,0.000199
2012,0.000207
2013,0.000214
2014,0.000222
2015,0.00023
2016,0.000237
2017,0.000245
2018,0.000252