year,IPC1,IPC2
1850,8.6e-06,2.09e-08
1851,9.050000000000001e-06,2.2e-08
1852,9.54e-06,2.3200000000000003e-08
1853,1.01e-05,2.4499999999999998e-08
1854,1.06e-05,2.58e-08
1855,1.12e-05,2.7200000000000002e-08
1856,1.18e-05,2.87e-08
1857,1.24e-05,3.03e-08
1858,1.31e-05,3.19e-08
1859,1.38e-05,3.35e-08
1860,1.45e-05,3.5200000000000004e-08
1861,1.52e-05,3.7e-08
1862,1.6e-05,3.89e-08
1863,1.68e-05,4.08e-08
1864,1.76e-05,4.28e-08
1865,1.85e-05,4.5000000000000006e-08
1866,1.94e-05,4.72e-08
1867,2.04e-05,4.95e-08
1868,2.13e-05,5.19e-08
1869,2.24e-05,5.4400000000000004e-08
1870,2.35e-05,5.7e-08
1871,2.46e-05,5.979999999999999e-08
1872,2.58e-05,6.270000000000001e-08
1873,2.7099999999999998e-05,6.59e-08
1874,2.85e-05,6.92e-08
1875,2.99e-05,7.26e-08
1876,3.13e-05,7.610000000000001e-08
1877,3.2800000000000004e-05,7.98e-08
1878,3.44e-05,8.36e-08
1879,3.5999999999999994e-05,8.74e-08
1880,3.76e-05,9.14e-08
1881,3.92e-05,9.540000000000001e-08
1882,4.09e-05,9.950000000000001e-08
1883,4.27e-05,1.0399999999999999e-07
1884,4.45e-05,1.08e-07
1885,4.63e-05,1.1299999999999999e-07
1886,4.82e-05,1.17e-07
1887,5.02e-05,1.22e-07
1888,5.23e-05,1.2699999999999999e-07
1889,5.4499999999999997e-05,1.3200000000000002e-07
1890,5.67e-05,1.38e-07
1891,5.9e-05,1.43e-07
1892,6.14e-05,1.49e-07
1893,6.4e-05,1.56e-07
1894,6.66e-05,1.62e-07
1895,6.94e-05,1.69e-07
1896,7.22e-05,1.76e-07
1897,7.52e-05,1.83e-07
1898,7.84e-05,1.9e-07
1899,8.16e-05,1.98e-07
1900,8.5e-05,2.07e-07
1901,8.89e-05,2.16e-07
1902,9.34e-05,2.2699999999999998e-07
1903,9.83e-05,2.39e-07
1904,0.000104,2.52e-07
1905,0.00010899999999999999,2.65e-07
1906,0.000114,2.77e-07
1907,0.00011899999999999999,2.8899999999999995e-07
1908,0.000124,3e-07
1909,0.000127,3.1e-07
1910,0.00013000000000000002,3.17e-07
1911,0.000133,3.2299999999999997e-07
1912,0.000135,3.28e-07
1913,0.00013700000000000002,3.3300000000000003e-07
1914,0.00013900000000000002,3.37e-07
1915,0.00014000000000000001,3.41e-07
1916,0.00014199999999999998,3.45e-07
1917,0.00014299999999999998,3.49e-07
1918,0.000145,3.52e-07
1919,0.000147,3.5599999999999996e-07
1920,0.000148,3.61e-07
1921,0.00015,3.65e-07
1922,0.000152,3.6900000000000004e-07
1923,0.000154,3.74e-07
1924,0.000155,3.78e-07
1925,0.000157,3.82e-07
1926,0.00015900000000000002,3.86e-07
1927,0.000161,3.91e-07
1928,0.000163,3.96e-07
1929,0.000165,4.02e-07
1930,0.00016800000000000002,4.08e-07
1931,0.00017,4.14e-07
1932,0.000174,4.22e-07
1933,0.000177,4.3100000000000003e-07
1934,0.00018099999999999998,4.4e-07
1935,0.000185,4.49e-07
1936,0.000189,4.6e-07
1937,0.000193,4.7e-07
1938,0.00019800000000000002,4.81e-07
1939,0.000202,4.92e-07
1940,0.000207,5.03e-07
1941,0.000211,5.140000000000001e-07
1942,0.000216,5.240000000000001e-07
1943,0.00022,5.35e-07
1944,0.000224,5.45e-07
1945,0.000229,5.57e-07
1946,0.00023400000000000002,5.69e-07
1947,0.00023999999999999998,5.820000000000001e-07
1948,0.000246,5.97e-07
1949,0.000243,5.92e-07
1950,0.00040100000000000004,9.75e-07
1951,0.000301,7.31e-07
1952,0.000501,1.22e-06
1953,0.000601,1.46e-06
1954,0.000501,1.22e-06
1955,0.0008020000000000001,1.95e-06
1956,0.0008020000000000001,1.95e-06
1957,0.022,5.35e-05
1958,0.0293,7.13e-05
1959,0.0293,7.13e-05
1960,0.0367,8.91e-05
1961,0.047700000000000006,0.000116
1962,0.103,0.00025
1963,0.0843,0.000205
1964,0.0917,0.000223
1965,0.15,0.000365
1966,0.348,0.000847
1967,0.565,0.0013700000000000001
1968,0.99,0.0024100000000000002
1969,1.26,0.0030600000000000002
1970,0.462,0.00181
1971,0.425,0.0018
1972,0.374,0.0017900000000000001
1973,0.33,0.0019
1974,0.429,0.00185
1975,0.708,0.0019
1976,0.403,0.00188
1977,0.466,0.0019399999999999999
1978,0.491,0.0019399999999999999
1979,0.407,0.00197
1980,0.143,0.00197
1981,0.106,0.0020099999999999996
1982,0.293,0.00213
1983,0.0843,0.0020099999999999996
1984,0.147,0.0020099999999999996
1985,0.249,0.00214
1986,0.249,0.0020499999999999997
1987,0.275,0.0022
1988,0.286,0.00209
1989,0.286,0.0020800000000000003
1990,0.282,0.00207
1991,0.268,0.00221
1992,0.264,0.00222
1993,0.271,0.00228
1994,0.268,0.0023599999999999997
1995,0.275,0.00229
1996,0.293,0.0023599999999999997
1997,0.308,0.00235
1998,0.319,0.00239
1999,0.33,0.00246
2000,0.345,0.00234
2001,0.348,0.00242
2002,0.37,0.0024500000000000004
2003,0.403,0.0025299999999999997
2004,0.422,0.00256
2005,0.429,0.00271
2006,0.444,0.00271
2007,0.469,0.00272
2008,0.48,0.00275
2009,0.51,0.00292
2010,0.524,0.00287
2011,0.513,0.00277
2012,0.524,0.00307
2013,0.524,0.0030499999999999998
2014,0.53,0.00296
2015,0.544,0.00304
2016,0.56,0.0030800000000000003
2017,0.543,0.00312
2018,0.566,0.00315