year,IPC2
1850,7.53e-09
1851,7.53e-09
1852,7.53e-09
1853,7.53e-09
1854,7.53e-09
1855,7.53e-09
1856,7.53e-09
1857,7.53e-09
1858,7.53e-09
1859,7.53e-09
1860,7.53e-09
1861,7.53e-09
1862,7.53e-09
1863,7.53e-09
1864,7.53e-09
1865,7.53e-09
1866,7.54e-09
1867,7.54e-09
1868,7.54e-09
1869,7.54e-09
1870,7.54e-09
1871,7.54e-09
1872,7.54e-09
1873,7.54e-09
1874,7.54e-09
1875,7.54e-09
1876,7.54e-09
1877,7.54e-09
1878,7.54e-09
1879,7.54e-09
1880,7.54e-09
1881,7.54e-09
1882,7.54e-09
1883,7.54e-09
1884,7.54e-09
1885,7.54e-09
1886,7.54e-09
1887,7.54e-09
1888,7.54e-09
1889,7.54e-09
1890,7.55e-09
1891,8.63e-09
1892,1.1600000000000001e-08
1893,1.62e-08
1894,2.19e-08
1895,2.84e-08
1896,3.53e-08
1897,4.22e-08
1898,4.89e-08
1899,5.4799999999999994e-08
1900,5.96e-08
1901,6.36e-08
1902,6.719999999999999e-08
1903,7.06e-08
1904,7.38e-08
1905,7.69e-08
1906,8e-08
1907,8.32e-08
1908,8.67e-08
1909,9.04e-08
1910,9.46e-08
1911,9.91e-08
1912,1.0399999999999999e-07
1913,1.0900000000000001e-07
1914,1.14e-07
1915,1.2000000000000002e-07
1916,1.26e-07
1917,1.3200000000000002e-07
1918,1.39e-07
1919,1.46e-07
1920,1.53e-07
1921,1.88e-06
1922,6.570000000000001e-06
1923,1.35e-05
1924,2.19e-05
1925,3.1e-05
1926,4.01e-05
1927,4.85e-05
1928,5.55e-05
1929,6.03e-05
1930,6.21e-05
1931,6.08e-05
1932,5.72e-05
1933,5.18e-05
1934,4.5199999999999994e-05
1935,3.8100000000000005e-05
1936,3.09e-05
1937,2.4299999999999998e-05
1938,1.9e-05
1939,1.53e-05
1940,1.41e-05
1941,1.6899999999999997e-05
1942,2.4500000000000003e-05
1943,3.61e-05
1944,5.1e-05
1945,6.819999999999999e-05
1946,8.68e-05
1947,0.000106
1948,0.000125
1949,0.00014399999999999998
1950,0.00016
1951,0.000176
1952,0.000191
1953,0.000207
1954,0.000224
1955,0.00023999999999999998
1956,0.000257
1957,0.00027400000000000005
1958,0.000292
1959,0.000309
1960,0.00032700000000000003
1961,0.000354
1962,0.000379
1963,0.00040500000000000003
1964,0.000432
1965,0.00045900000000000004
1966,0.000489
1967,0.000521
1968,0.000555
1969,0.000594
1970,0.0005989999999999999
1971,0.005019999999999999
1972,0.00937
1973,0.0178
1974,0.0249
1975,0.0376
1976,0.0525
1977,0.0616
1978,0.0742
1979,0.0938
1980,0.111
1981,0.108
1982,0.109
1983,0.119
1984,0.155
1985,0.155
1986,0.171
1987,0.191
1988,0.223
1989,0.24
1990,0.26
1991,0.292
1992,0.292
1993,0.337
1994,0.372
1995,0.48
1996,0.592
1997,0.69
1998,0.811
1999,1.08
2000,1.21
2001,1.7
2002,1.92
2003,2.15
2004,2.2
2005,2.36
2006,2.68
2007,2.9
2008,3.12
2009,2.93
2010,3.11
2011,3.04
2012,2.96
2013,3.62
2014,3.78
2015,3.95
2016,4.12
2017,4.28
2018,4.45