year,IPC2
1850,1.27e-08
1851,1.27e-08
1852,1.27e-08
1853,1.27e-08
1854,1.27e-08
1855,1.27e-08
1856,1.27e-08
1857,1.27e-08
1858,1.27e-08
1859,1.27e-08
1860,1.27e-08
1861,1.27e-08
1862,1.27e-08
1863,1.27e-08
1864,1.27e-08
1865,1.27e-08
1866,1.27e-08
1867,1.27e-08
1868,1.27e-08
1869,1.27e-08
1870,1.27e-08
1871,1.27e-08
1872,1.27e-08
1873,1.27e-08
1874,1.27e-08
1875,1.27e-08
1876,1.27e-08
1877,1.27e-08
1878,1.27e-08
1879,1.27e-08
1880,1.27e-08
1881,1.27e-08
1882,1.27e-08
1883,1.27e-08
1884,1.27e-08
1885,1.27e-08
1886,1.27e-08
1887,1.27e-08
1888,1.27e-08
1889,1.27e-08
1890,1.27e-08
1891,1.48e-08
1892,2.0699999999999997e-08
1893,2.96e-08
1894,4.0899999999999996e-08
1895,5.3600000000000004e-08
1896,6.719999999999999e-08
1897,8.09e-08
1898,9.39e-08
1899,1.06e-07
1900,1.15e-07
1901,1.23e-07
1902,1.3e-07
1903,1.37e-07
1904,1.43e-07
1905,1.49e-07
1906,1.55e-07
1907,1.61e-07
1908,1.68e-07
1909,1.76e-07
1910,1.84e-07
1911,1.93e-07
1912,2.02e-07
1913,2.12e-07
1914,2.23e-07
1915,2.34e-07
1916,2.46e-07
1917,2.58e-07
1918,2.71e-07
1919,2.84e-07
1920,2.98e-07
1921,1.95e-05
1922,7.149999999999999e-05
1923,0.000148
1924,0.000241
1925,0.00034300000000000004
1926,0.000444
1927,0.000537
1928,0.000614
1929,0.000666
1930,0.0006860000000000001
1931,0.00067
1932,0.000628
1933,0.0005669999999999999
1934,0.000492
1935,0.00041
1936,0.00032900000000000003
1937,0.000254
1938,0.000192
1939,0.00015099999999999998
1940,0.000135
1941,0.00013900000000000002
1942,0.000148
1943,0.000162
1944,0.00018099999999999998
1945,0.000202
1946,0.00022700000000000002
1947,0.000254
1948,0.00028100000000000005
1949,0.000309
1950,0.000337
1951,0.000365
1952,0.000397
1953,0.000431
1954,0.00046899999999999996
1955,0.00051
1956,0.000554
1957,0.000602
1958,0.000652
1959,0.000705
1960,0.000762
1961,0.000825
1962,0.0008990000000000001
1963,0.000982
1964,0.00108
1965,0.0011799999999999998
1966,0.0012900000000000001
1967,0.00141
1968,0.0015300000000000001
1969,0.0016699999999999998
1970,0.00207
1971,0.00267
1972,0.00276
1973,0.00376
1974,0.00404
1975,0.005059999999999999
1976,0.0067
1977,0.00847
1978,0.0104
1979,0.0132
1980,0.0154
1981,0.027800000000000002
1982,0.0315
1983,0.0345
1984,0.039299999999999995
1985,0.0434
1986,0.0402
1987,0.0365
1988,0.0315
1989,0.0261
1990,0.019899999999999998
1991,0.023600000000000003
1992,0.030100000000000002
1993,0.0353
1994,0.0405
1995,0.0448
1996,0.0412
1997,0.036899999999999995
1998,0.0354
1999,0.0329
2000,0.0224
2001,0.09209999999999999
2002,0.137
2003,0.178
2004,0.23
2005,0.331
2006,0.4
2007,0.478
2008,0.615
2009,0.748
2010,0.96
2011,1.08
2012,1.31
2013,1.67
2014,2.15
2015,1.75
2016,1.88
2017,2.02
2018,2.15