year,IPC2
1850,9.6e-05
1851,9.6e-05
1852,9.6e-05
1853,9.6e-05
1854,9.6e-05
1855,9.6e-05
1856,9.6e-05
1857,9.6e-05
1858,9.6e-05
1859,9.6e-05
1860,9.6e-05
1861,9.6e-05
1862,9.6e-05
1863,9.6e-05
1864,9.6e-05
1865,9.6e-05
1866,9.6e-05
1867,9.6e-05
1868,9.61e-05
1869,9.61e-05
1870,9.61e-05
1871,9.61e-05
1872,9.61e-05
1873,9.61e-05
1874,9.61e-05
1875,9.61e-05
1876,9.61e-05
1877,9.61e-05
1878,9.61e-05
1879,9.61e-05
1880,9.61e-05
1881,9.61e-05
1882,9.61e-05
1883,9.61e-05
1884,9.61e-05
1885,9.61e-05
1886,9.61e-05
1887,9.61e-05
1888,9.61e-05
1889,9.61e-05
1890,9.62e-05
1891,0.000112
1892,0.000157
1893,0.000224
1894,0.000309
1895,0.000406
1896,0.000508
1897,0.000612
1898,0.0007099999999999999
1899,0.000799
1900,0.000871
1901,0.00093
1902,0.000983
1903,0.00103
1904,0.00108
1905,0.00113
1906,0.00117
1907,0.00122
1908,0.00127
1909,0.00133
1910,0.00139
1911,0.00146
1912,0.0015300000000000001
1913,0.0016
1914,0.0016799999999999999
1915,0.00177
1916,0.00186
1917,0.00195
1918,0.0020499999999999997
1919,0.00215
1920,0.00226
1921,0.00269
1922,0.00369
1923,0.00515
1924,0.00696
1925,0.00902
1926,0.0112
1927,0.0134
1928,0.0155
1929,0.0174
1930,0.019
1931,0.020399999999999998
1932,0.0217
1933,0.023
1934,0.024300000000000002
1935,0.0255
1936,0.0268
1937,0.028
1938,0.0292
1939,0.0305
1940,0.0317
1941,0.033
1942,0.0344
1943,0.0357
1944,0.037200000000000004
1945,0.038700000000000005
1946,0.040299999999999996
1947,0.042
1948,0.0438
1949,0.045700000000000005
1950,0.047799999999999995
1951,0.0501
1952,0.0526
1953,0.055299999999999995
1954,0.0581
1955,0.061200000000000004
1956,0.0643
1957,0.0676
1958,0.071
1959,0.0745
1960,0.078
1961,0.0819
1962,0.0864
1963,0.0912
1964,0.0963
1965,0.101
1966,0.106
1967,0.111
1968,0.116
1969,0.119
1970,0.131
1971,0.139
1972,0.147
1973,0.159
1974,0.17
1975,0.18
1976,0.188
1977,0.192
1978,0.196
1979,0.204
1980,0.206
1981,0.21
1982,0.217
1983,0.24
1984,0.253
1985,0.265
1986,0.273
1987,0.28
1988,0.278
1989,0.274
1990,0.25
1991,0.338
1992,0.32
1993,0.303
1994,0.316
1995,0.317
1996,0.364
1997,0.405
1998,0.456
1999,0.502
2000,0.506
2001,0.519
2002,0.532
2003,0.596
2004,0.694
2005,0.76
2006,0.848
2007,0.925
2008,1.0
2009,0.988
2010,1.06
2011,1.04
2012,1.16
2013,1.24
2014,1.39
2015,1.45
2016,1.72
2017,1.96
2018,2.38