year,IPC2
1850,8.07e-07
1851,8.07e-07
1852,8.07e-07
1853,8.07e-07
1854,8.07e-07
1855,8.07e-07
1856,8.07e-07
1857,8.07e-07
1858,8.07e-07
1859,8.07e-07
1860,8.07e-07
1861,8.07e-07
1862,8.07e-07
1863,8.07e-07
1864,8.07e-07
1865,8.07e-07
1866,8.08e-07
1867,8.08e-07
1868,8.08e-07
1869,8.08e-07
1870,8.08e-07
1871,8.08e-07
1872,8.08e-07
1873,8.08e-07
1874,8.08e-07
1875,8.08e-07
1876,8.08e-07
1877,8.08e-07
1878,8.08e-07
1879,8.08e-07
1880,8.08e-07
1881,8.08e-07
1882,8.08e-07
1883,8.08e-07
1884,8.08e-07
1885,8.08e-07
1886,8.08e-07
1887,8.08e-07
1888,8.08e-07
1889,8.09e-07
1890,8.09e-07
1891,9.25e-07
1892,1.25e-06
1893,1.73e-06
1894,2.34e-06
1895,3.04e-06
1896,3.78e-06
1897,4.53e-06
1898,5.24e-06
1899,5.8700000000000005e-06
1900,6.39e-06
1901,6.82e-06
1902,7.2e-06
1903,7.56e-06
1904,7.9e-06
1905,8.24e-06
1906,8.57e-06
1907,8.920000000000001e-06
1908,9.289999999999999e-06
1909,9.69e-06
1910,1.01e-05
1911,1.06e-05
1912,1.11e-05
1913,1.17e-05
1914,1.23e-05
1915,1.29e-05
1916,1.35e-05
1917,1.4200000000000001e-05
1918,1.49e-05
1919,1.56e-05
1920,1.6400000000000002e-05
1921,1.9900000000000003e-05
1922,2.82e-05
1923,4.0300000000000004e-05
1924,5.54e-05
1925,7.25e-05
1926,9.070000000000001e-05
1927,0.00010899999999999999
1928,0.000127
1929,0.00014199999999999998
1930,0.000156
1931,0.00016700000000000002
1932,0.000178
1933,0.000188
1934,0.000199
1935,0.00020899999999999998
1936,0.000219
1937,0.000229
1938,0.00023899999999999998
1939,0.000249
1940,0.00026000000000000003
1941,0.00027100000000000003
1942,0.00028199999999999997
1943,0.000294
1944,0.000306
1945,0.000319
1946,0.000332
1947,0.000347
1948,0.00036199999999999996
1949,0.000379
1950,0.00039600000000000003
1951,0.000415
1952,0.00043599999999999997
1953,0.000458
1954,0.000482
1955,0.000508
1956,0.0005340000000000001
1957,0.0005620000000000001
1958,0.0005899999999999999
1959,0.000619
1960,0.000648
1961,0.0006810000000000001
1962,0.000718
1963,0.000758
1964,0.0008
1965,0.000842
1966,0.000884
1967,0.000924
1968,0.0009599999999999999
1969,0.000991
1970,0.00103
1971,0.0010400000000000001
1972,0.00107
1973,0.0011
1974,0.00114
1975,0.00117
1976,0.0012
1977,0.00123
1978,0.00127
1979,0.0013
1980,0.00133
1981,0.00135
1982,0.0013700000000000001
1983,0.00139
1984,0.0014
1985,0.0014199999999999998
1986,0.00148
1987,0.00152
1988,0.00182
1989,0.00219
1990,0.00235
1991,0.00226
1992,0.00232
1993,0.00222
1994,0.00233
1995,0.0035
1996,0.00478
1997,0.011
1998,0.0124
1999,0.0394
2000,0.0297
2001,0.0273
2002,0.0202
2003,0.0215
2004,0.019
2005,0.0167
2006,0.0135
2007,0.011
2008,0.00844
2009,0.008490000000000001
2010,0.008539999999999999
2011,0.009980000000000001
2012,0.013099999999999999
2013,0.0165
2014,0.015300000000000001
2015,0.00625
2016,0.00507
2017,0.00563
2018,0.006030000000000001