year,IPC2
1850,8.63e-07
1851,8.63e-07
1852,8.63e-07
1853,8.63e-07
1854,8.63e-07
1855,8.63e-07
1856,8.63e-07
1857,8.63e-07
1858,8.63e-07
1859,8.63e-07
1860,8.63e-07
1861,8.63e-07
1862,8.63e-07
1863,8.63e-07
1864,8.63e-07
1865,8.63e-07
1866,8.64e-07
1867,8.64e-07
1868,8.64e-07
1869,8.64e-07
1870,8.64e-07
1871,8.64e-07
1872,8.64e-07
1873,8.64e-07
1874,8.64e-07
1875,8.64e-07
1876,8.64e-07
1877,8.64e-07
1878,8.64e-07
1879,8.64e-07
1880,8.64e-07
1881,8.64e-07
1882,8.64e-07
1883,8.64e-07
1884,8.64e-07
1885,8.64e-07
1886,8.64e-07
1887,8.64e-07
1888,8.64e-07
1889,8.65e-07
1890,8.65e-07
1891,9.89e-07
1892,1.33e-06
1893,1.85e-06
1894,2.51e-06
1895,3.25e-06
1896,4.04e-06
1897,4.839999999999999e-06
1898,5.6e-06
1899,6.28e-06
1900,6.83e-06
1901,7.29e-06
1902,7.7e-06
1903,8.09e-06
1904,8.449999999999999e-06
1905,8.81e-06
1906,9.169999999999999e-06
1907,9.54e-06
1908,9.93e-06
1909,1.0399999999999999e-05
1910,1.08e-05
1911,1.1400000000000001e-05
1912,1.1900000000000001e-05
1913,1.25e-05
1914,1.31e-05
1915,1.38e-05
1916,1.44e-05
1917,1.52e-05
1918,1.59e-05
1919,1.67e-05
1920,1.7500000000000002e-05
1921,2.12e-05
1922,3.01e-05
1923,4.31e-05
1924,5.92e-05
1925,7.75e-05
1926,9.69e-05
1927,0.00011700000000000001
1928,0.000135
1929,0.000152
1930,0.00016700000000000002
1931,0.000179
1932,0.00019
1933,0.000202
1934,0.000212
1935,0.000223
1936,0.00023400000000000002
1937,0.000244
1938,0.000255
1939,0.000266
1940,0.00027800000000000004
1941,0.000301
1942,0.000348
1943,0.000412
1944,0.000491
1945,0.0005809999999999999
1946,0.000679
1947,0.00078
1948,0.00088
1949,0.000977
1950,0.00107
1951,0.00115
1952,0.00124
1953,0.00133
1954,0.0014199999999999998
1955,0.00151
1956,0.0016
1957,0.0016899999999999999
1958,0.0017900000000000001
1959,0.00188
1960,0.00198
1961,0.0021000000000000003
1962,0.00222
1963,0.00234
1964,0.00246
1965,0.0025800000000000003
1966,0.00271
1967,0.0028399999999999996
1968,0.00298
1969,0.00368
1970,0.00519
1971,0.0072699999999999996
1972,0.007549999999999999
1973,0.0114
1974,0.0111
1975,0.012199999999999999
1976,0.0156
1977,0.019399999999999997
1978,0.022
1979,0.028
1980,0.0313
1981,0.0361
1982,0.0436
1983,0.047200000000000006
1984,0.056
1985,0.0599
1986,0.0688
1987,0.08059999999999999
1988,0.0847
1989,0.0891
1990,0.101
1991,0.113
1992,0.14
1993,0.16
1994,0.226
1995,0.343
1996,0.467
1997,0.579
1998,0.73
1999,0.914
2000,1.12
2001,1.26
2002,1.44
2003,1.6
2004,1.79
2005,1.96
2006,2.18
2007,2.37
2008,2.56
2009,2.64
2010,2.73
2011,3.06
2012,3.05
2013,3.1
2014,3.29
2015,3.42
2016,3.47
2017,3.69
2018,3.75