year,IPC2
1850,1.1e-08
1851,1.1e-08
1852,1.1e-08
1853,1.1e-08
1854,1.1e-08
1855,1.1e-08
1856,1.1e-08
1857,1.1e-08
1858,1.1e-08
1859,1.1e-08
1860,1.1e-08
1861,1.1e-08
1862,1.1e-08
1863,1.1e-08
1864,1.1e-08
1865,1.1e-08
1866,1.1e-08
1867,1.1e-08
1868,1.1e-08
1869,1.1e-08
1870,1.1e-08
1871,1.1e-08
1872,1.1e-08
1873,1.1e-08
1874,1.1e-08
1875,1.1e-08
1876,1.1e-08
1877,1.1e-08
1878,1.1e-08
1879,1.1e-08
1880,1.1e-08
1881,1.1e-08
1882,1.1e-08
1883,1.1e-08
1884,1.1e-08
1885,1.1e-08
1886,1.1e-08
1887,1.1e-08
1888,1.1e-08
1889,1.1e-08
1890,1.1e-08
1891,1.26e-08
1892,1.6900000000000002e-08
1893,2.35e-08
1894,3.18e-08
1895,4.13e-08
1896,5.13e-08
1897,6.140000000000001e-08
1898,7.11e-08
1899,7.97e-08
1900,8.68e-08
1901,9.25e-08
1902,9.78e-08
1903,1.03e-07
1904,1.07e-07
1905,1.12e-07
1906,1.16e-07
1907,1.21e-07
1908,1.26e-07
1909,1.3200000000000002e-07
1910,1.38e-07
1911,1.44e-07
1912,1.5100000000000002e-07
1913,1.5899999999999998e-07
1914,1.66e-07
1915,1.75e-07
1916,1.83e-07
1917,1.92e-07
1918,2.02e-07
1919,2.12e-07
1920,2.22e-07
1921,2.7e-07
1922,3.82e-07
1923,5.469999999999999e-07
1924,7.52e-07
1925,9.84e-07
1926,1.2299999999999999e-06
1927,1.48e-06
1928,1.72e-06
1929,1.93e-06
1930,2.1099999999999997e-06
1931,2.27e-06
1932,2.4199999999999997e-06
1933,2.56e-06
1934,2.7e-06
1935,2.83e-06
1936,2.97e-06
1937,3.1e-06
1938,3.24e-06
1939,3.3800000000000002e-06
1940,3.52e-06
1941,3.67e-06
1942,3.83e-06
1943,3.99e-06
1944,4.15e-06
1945,4.33e-06
1946,4.51e-06
1947,4.71e-06
1948,4.9199999999999995e-06
1949,5.14e-06
1950,5.38e-06
1951,5.64e-06
1952,5.92e-06
1953,6.22e-06
1954,6.55e-06
1955,6.89e-06
1956,7.25e-06
1957,7.62e-06
1958,8.01e-06
1959,8.4e-06
1960,8.8e-06
1961,9.24e-06
1962,9.74e-06
1963,1.03e-05
1964,1.09e-05
1965,1.1400000000000001e-05
1966,1.2e-05
1967,1.25e-05
1968,1.3e-05
1969,1.35e-05
1970,1.38e-05
1971,1.41e-05
1972,1.44e-05
1973,1.47e-05
1974,1.4999999999999999e-05
1975,1.52e-05
1976,1.55e-05
1977,1.57e-05
1978,1.59e-05
1979,1.61e-05
1980,1.62e-05
1981,1.62e-05
1982,1.62e-05
1983,1.62e-05
1984,1.61e-05
1985,1.6e-05
1986,1.59e-05
1987,1.58e-05
1988,1.58e-05
1989,1.58e-05
1990,1.58e-05
1991,1.59e-05
1992,1.6e-05
1993,1.61e-05
1994,1.62e-05
1995,1.63e-05
1996,1.6400000000000002e-05
1997,1.65e-05
1998,1.67e-05
1999,1.67e-05
2000,1.68e-05
2001,1.6899999999999997e-05
2002,1.6899999999999997e-05
2003,1.68e-05
2004,1.68e-05
2005,1.68e-05
2006,2.31e-05
2007,2.31e-05
2008,2.88e-05
2009,2.88e-05
2010,4.0300000000000004e-05
2011,4.0300000000000004e-05
2012,4.0300000000000004e-05
2013,4.0300000000000004e-05
2014,4.0300000000000004e-05
2015,4.0300000000000004e-05
2016,4.0300000000000004e-05
2017,4.78e-05
2018,4.99e-05