year,IPC2
1850,1.09e-10
1851,1.09e-10
1852,1.09e-10
1853,1.09e-10
1854,1.09e-10
1855,1.09e-10
1856,1.09e-10
1857,1.09e-10
1858,1.09e-10
1859,1.09e-10
1860,1.09e-10
1861,1.09e-10
1862,1.09e-10
1863,1.09e-10
1864,1.09e-10
1865,1.09e-10
1866,1.09e-10
1867,1.09e-10
1868,1.09e-10
1869,1.09e-10
1870,1.09e-10
1871,1.09e-10
1872,1.09e-10
1873,1.09e-10
1874,1.09e-10
1875,1.09e-10
1876,1.09e-10
1877,1.09e-10
1878,1.09e-10
1879,1.09e-10
1880,1.09e-10
1881,1.09e-10
1882,1.09e-10
1883,1.09e-10
1884,1.09e-10
1885,1.09e-10
1886,1.09e-10
1887,1.09e-10
1888,1.09e-10
1889,1.09e-10
1890,1.09e-10
1891,1.2499999999999998e-10
1892,1.68e-10
1893,2.34e-10
1894,3.1600000000000005e-10
1895,4.1e-10
1896,5.1e-10
1897,6.1e-10
1898,7.06e-10
1899,7.92e-10
1900,8.619999999999999e-10
1901,9.19e-10
1902,9.71e-10
1903,1.02e-09
1904,1.0699999999999998e-09
1905,1.1099999999999999e-09
1906,1.16e-09
1907,1.2e-09
1908,1.25e-09
1909,1.31e-09
1910,1.37e-09
1911,1.43e-09
1912,1.5e-09
1913,1.57e-09
1914,1.65e-09
1915,1.73e-09
1916,1.82e-09
1917,1.91e-09
1918,2.01e-09
1919,2.11e-09
1920,2.21e-09
1921,2.6800000000000003e-09
1922,3.79e-09
1923,5.43e-09
1924,7.46e-09
1925,9.769999999999999e-09
1926,1.22e-08
1927,1.47e-08
1928,1.7099999999999998e-08
1929,1.92e-08
1930,2.1e-08
1931,2.2500000000000003e-08
1932,2.4e-08
1933,2.54e-08
1934,2.6800000000000002e-08
1935,2.81e-08
1936,2.95e-08
1937,3.0800000000000004e-08
1938,3.22e-08
1939,3.3599999999999996e-08
1940,3.4999999999999996e-08
1941,3.65e-08
1942,3.8e-08
1943,3.96e-08
1944,4.12e-08
1945,4.3e-08
1946,4.48e-08
1947,4.68e-08
1948,4.88e-08
1949,5.1e-08
1950,5.3399999999999995e-08
1951,5.6e-08
1952,5.88e-08
1953,6.18e-08
1954,6.5e-08
1955,6.839999999999999e-08
1956,7.2e-08
1957,7.57e-08
1958,7.949999999999999e-08
1959,8.339999999999999e-08
1960,8.74e-08
1961,9.18e-08
1962,9.670000000000001e-08
1963,1.02e-07
1964,1.08e-07
1965,1.14e-07
1966,1.1900000000000001e-07
1967,1.25e-07
1968,1.29e-07
1969,1.34e-07
1970,1.33e-07
1971,1.38e-07
1972,1.25e-07
1973,1.29e-07
1974,1.34e-07
1975,1.24e-07
1976,1.25e-07
1977,1.3100000000000002e-07
1978,1.34e-07
1979,1.43e-07
1980,1.5100000000000002e-07
1981,1.46e-07
1982,1.35e-07
1983,1.37e-07
1984,1.43e-07
1985,1.3200000000000002e-07
1986,1.5100000000000002e-07
1987,1.39e-07
1988,1.38e-07
1989,1.38e-07
1990,1.3999999999999998e-07
1991,9.16e-08
1992,2.83e-07
1993,6.27e-07
1994,1.1800000000000001e-06
1995,1.6000000000000001e-06
1996,1.73e-06
1997,1.72e-06
1998,3.29e-06
1999,5.73e-06
2000,9.509999999999999e-06
2001,1.24e-05
2002,1.53e-05
2003,3.09e-05
2004,3.87e-05
2005,5.2e-05
2006,6.1e-05
2007,6.59e-05
2008,6.54e-05
2009,5.8099999999999996e-05
2010,5.4499999999999997e-05
2011,4.81e-05
2012,4.3700000000000005e-05
2013,4.77e-05
2014,3.31e-05
2015,3.0200000000000002e-05
2016,2.09e-05
2017,1.34e-05
2018,5.85e-06