year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00033600000000000004,2.61e-05,1.46e-08,7.59e-09
1851,0.00035299999999999996,2.75e-05,1.5400000000000002e-08,7.989999999999999e-09
1852,0.000372,2.9e-05,1.62e-08,8.42e-09
1853,0.000393,3.06e-05,1.7099999999999998e-08,8.879999999999999e-09
1854,0.000414,3.22e-05,1.8e-08,9.37e-09
1855,0.000437,3.4e-05,1.9e-08,9.88e-09
1856,0.00046100000000000004,3.59e-05,2e-08,1.04e-08
1857,0.000486,3.78e-05,2.11e-08,1.1e-08
1858,0.0008129999999999999,6.33e-05,3.53e-08,1.84e-08
1859,0.00114,8.86e-05,4.95e-08,2.5700000000000002e-08
1860,0.0016899999999999999,0.000131,7.33e-08,3.82e-08
1861,0.0023599999999999997,0.000183,1.02e-07,5.33e-08
1862,0.0026,0.000202,1.1299999999999999e-07,5.88e-08
1863,0.0026,0.000202,1.1299999999999999e-07,5.88e-08
1864,0.00317,0.000247,1.38e-07,7.17e-08
1865,0.0038599999999999997,0.000301,1.68e-07,8.73e-08
1866,0.00382,0.000297,1.66e-07,8.64e-08
1867,0.0037400000000000003,0.00029099999999999997,1.6300000000000002e-07,8.459999999999999e-08
1868,0.0042699999999999995,0.000332,1.86e-07,9.65e-08
1869,0.00413,0.000321,1.7899999999999997e-07,9.330000000000001e-08
1870,0.00498,0.000388,2.16e-07,1.1299999999999999e-07
1871,0.0061600000000000005,0.000479,2.68e-07,1.39e-07
1872,0.00707,0.00055,3.07e-07,1.6e-07
1873,0.006889999999999999,0.000536,2.99e-07,1.56e-07
1874,0.0064800000000000005,0.000505,2.82e-07,1.47e-07
1875,0.0071200000000000005,0.000554,3.09e-07,1.61e-07
1876,0.00827,0.000644,3.6000000000000005e-07,1.87e-07
1877,0.00787,0.000612,3.42e-07,1.7799999999999998e-07
1878,0.00754,0.000587,3.28e-07,1.71e-07
1879,0.008029999999999999,0.000625,3.49e-07,1.8200000000000002e-07
1880,0.009269999999999999,0.000721,4.03e-07,2.1e-07
1881,0.00868,0.000675,3.77e-07,1.9599999999999998e-07
1882,0.00957,0.000745,4.1599999999999997e-07,2.16e-07
1883,0.0106,0.0008269999999999999,4.6200000000000003e-07,2.4000000000000003e-07
1884,0.0109,0.000848,4.74e-07,2.46e-07
1885,0.0114,0.000884,4.94e-07,2.5700000000000004e-07
1886,0.0116,0.0009,5.03e-07,2.6200000000000004e-07
1887,0.0125,0.000976,5.45e-07,2.84e-07
1888,0.0128,0.000995,5.56e-07,2.8899999999999995e-07
1889,0.0141,0.0011,6.14e-07,3.19e-07
1890,0.016,0.0010400000000000001,6.930000000000001e-07,3.61e-07
1891,0.0195,0.0010500000000000002,8.49e-07,4.42e-07
1892,0.0193,0.0010500000000000002,8.37e-07,4.35e-07
1893,0.016,0.0010500000000000002,6.930000000000001e-07,3.61e-07
1894,0.019899999999999998,0.0010500000000000002,8.64e-07,4.5e-07
1895,0.0213,0.00106,9.28e-07,4.83e-07
1896,0.023399999999999997,0.00106,1.02e-06,5.280000000000001e-07
1897,0.0246,0.00107,1.07e-06,5.57e-07
1898,0.0263,0.00107,1.1399999999999999e-06,5.96e-07
1899,0.028399999999999998,0.00108,1.24e-06,6.43e-07
1900,0.0315,0.00108,1.37e-06,7.119999999999999e-07
1901,0.0288,0.00109,1.25e-06,6.499999999999999e-07
1902,0.0291,0.00109,1.26e-06,6.57e-07
1903,0.0315,0.0011,1.37e-06,7.119999999999999e-07
1904,0.033100000000000004,0.0011,1.4400000000000002e-06,7.48e-07
1905,0.0346,0.00111,1.5e-06,7.83e-07
1906,0.038299999999999994,0.0011200000000000001,1.66e-06,8.65e-07
1907,0.0444,0.00113,1.93e-06,1e-06
1908,0.0444,0.00114,1.93e-06,1e-06
1909,0.0448,0.00115,1.95e-06,1.01e-06
1910,0.0432,0.00116,1.88e-06,9.77e-07
1911,0.047799999999999995,0.00117,2.08e-06,1.08e-06
1912,0.048600000000000004,0.0011799999999999998,2.1099999999999997e-06,1.1e-06
1913,0.0514,0.0011899999999999999,2.2300000000000002e-06,1.16e-06
1914,0.046799999999999994,0.0012,2.03e-06,1.06e-06
1915,0.0495,0.00121,2.15e-06,1.1199999999999999e-06
1916,0.0471,0.00123,2.0500000000000003e-06,1.06e-06
1917,0.0339,0.00124,1.47e-06,7.66e-07
1918,0.0319,0.00126,1.39e-06,7.21e-07
1919,0.0256,0.00128,1.1100000000000002e-06,5.779999999999999e-07
1920,0.040100000000000004,0.00131,1.74e-06,9.070000000000001e-07
1921,0.0248,0.00135,1.08e-06,5.599999999999999e-07
1922,0.0341,0.00141,1.48e-06,7.72e-07
1923,0.0425,0.00148,1.85e-06,9.62e-07
1924,0.040100000000000004,0.00157,1.74e-06,9.070000000000001e-07
1925,0.0418,0.0016699999999999998,1.82e-06,9.46e-07
1926,0.0414,0.00177,1.8e-06,9.349999999999999e-07
1927,0.047700000000000006,0.0018700000000000001,2.0699999999999997e-06,1.08e-06
1928,0.048,0.00198,2.09e-06,1.09e-06
1929,0.0551,0.0020800000000000003,2.39e-06,1.24e-06
1930,0.0508,0.00217,2.21e-06,1.15e-06
1931,0.053700000000000005,0.00225,2.33e-06,1.2099999999999998e-06
1932,0.0545,0.00233,2.37e-06,1.2299999999999999e-06
1933,0.0531,0.00242,2.31e-06,1.2e-06
1934,0.053,0.0025,2.3e-06,1.2e-06
1935,0.0526,0.00259,2.2799999999999998e-06,1.19e-06
1936,0.053700000000000005,0.00267,2.33e-06,1.2099999999999998e-06
1937,0.0581,0.00275,2.52e-06,1.31e-06
1938,0.056299999999999996,0.00283,2.44e-06,1.2700000000000001e-06
1939,0.0658,0.0029100000000000003,2.86e-06,1.49e-06
1940,0.0444,0.00298,1.93e-06,1e-06
1941,0.0348,0.0030499999999999998,1.5100000000000002e-06,7.87e-07
1942,0.0312,0.00311,1.3600000000000001e-06,7.06e-07
1943,0.0332,0.00316,1.4400000000000002e-06,7.51e-07
1944,0.0235,0.00321,1.02e-06,5.32e-07
1945,0.0079,0.00326,3.42e-07,1.7799999999999998e-07
1946,0.030100000000000002,0.00332,1.31e-06,6.800000000000001e-07
1947,0.0498,0.0033799999999999998,2.16e-06,1.13e-06
1948,0.053899999999999997,0.00346,2.34e-06,1.22e-06
1949,0.044700000000000004,0.00354,1.94e-06,1.01e-06
1950,0.0538,0.00365,2.34e-06,1.22e-06
1951,0.06470000000000001,0.0038,2.81e-06,1.46e-06
1952,0.0586,0.004030000000000001,2.5400000000000002e-06,1.32e-06
1953,0.0531,0.00433,2.3e-06,1.2e-06
1954,0.065,0.00468,2.82e-06,1.47e-06
1955,0.0698,0.00507,3.0300000000000002e-06,1.5800000000000001e-06
1956,0.0883,0.0055,3.83e-06,1.99e-06
1957,0.09140000000000001,0.00595,3.969999999999999e-06,2.06e-06
1958,0.0845,0.00642,3.67e-06,1.91e-06
1959,0.0849,0.00688,3.68e-06,1.9200000000000003e-06
1960,0.1,0.00735,4.34e-06,2.26e-06
1961,0.103,0.00784,4.4799999999999995e-06,2.33e-06
1962,0.124,0.00839,5.369999999999999e-06,2.8e-06
1963,0.152,0.00899,6.58e-06,3.42e-06
1964,0.144,0.00962,6.27e-06,3.2599999999999997e-06
1965,0.157,0.0103,6.83e-06,3.5500000000000003e-06
1966,0.163,0.0109,7.08e-06,3.68e-06
1967,0.169,0.0116,7.34e-06,3.82e-06
1968,0.188,0.012199999999999999,8.16e-06,4.25e-06
1969,0.199,0.0127,8.63e-06,4.49e-06
1970,0.21,0.012,8.72e-06,1.0399999999999999e-05
1971,0.218,0.0128,8.9e-06,1.22e-05
1972,0.223,0.013900000000000001,9.100000000000001e-06,1.3700000000000001e-05
1973,0.241,0.0141,9.469999999999999e-06,1.56e-05
1974,0.216,0.013300000000000001,9.7e-06,1.23e-05
1975,0.207,0.011,9.83e-06,1.73e-05
1976,0.215,0.0106,1.02e-05,2.17e-05
1977,0.218,0.0111,1.0500000000000001e-05,2.81e-05
1978,0.224,0.0115,1.09e-05,3.39e-05
1979,0.211,0.012199999999999999,1.1299999999999999e-05,3.86e-05
1980,0.213,0.013099999999999999,1.1599999999999999e-05,3.91e-05
1981,0.204,0.0132,1.2e-05,4.0300000000000004e-05
1982,0.192,0.0126,1.2e-05,3.9e-05
1983,0.211,0.0127,1.21e-05,4.46e-05
1984,0.206,0.0128,1.23e-05,4.74e-05
1985,0.209,0.0129,1.25e-05,5.0900000000000004e-05
1986,0.222,0.013300000000000001,1.26e-05,5.22e-05
1987,0.21,0.013800000000000002,1.2699999999999999e-05,5.66e-05
1988,0.212,0.0145,1.3e-05,5.7799999999999995e-05
1989,0.204,0.0155,1.32e-05,5.96e-05
1990,0.199,0.015099999999999999,1.35e-05,5.83e-05
1991,0.206,0.013699999999999999,1.33e-05,5.5100000000000004e-05
1992,0.207,0.0129,1.4e-05,5.55e-05
1993,0.215,0.0119,1.31e-05,5.5599999999999996e-05
1994,0.201,0.0125,8.16e-06,5.2e-05
1995,0.204,0.0119,8.8e-06,4.93e-05
1996,0.206,0.0112,8.87e-06,4.9500000000000004e-05
1997,0.218,0.0105,9.110000000000001e-06,4.84e-05
1998,0.229,0.0105,9.4e-06,4.22e-05
1999,0.226,0.0105,9.86e-06,4.28e-05
2000,0.217,0.0112,1e-05,4.4999999999999996e-05
2001,0.214,0.011300000000000001,1.03e-05,4.4699999999999996e-05
2002,0.22,0.011,1.02e-05,4.83e-05
2003,0.229,0.0108,1.03e-05,4.74e-05
2004,0.229,0.011699999999999999,1.0500000000000001e-05,4.5600000000000004e-05
2005,0.229,0.0123,1.0399999999999999e-05,4.6e-05
2006,0.231,0.012,1.06e-05,4.51e-05
2007,0.201,0.012,1.06e-05,4.4699999999999996e-05
2008,0.219,0.0115,1.06e-05,4.7e-05
2009,0.205,0.0109,1.07e-05,4.48e-05
2010,0.191,0.0119,1.07e-05,4.29e-05
2011,0.177,0.0115,1.07e-05,4.9500000000000004e-05
2012,0.185,0.011,1.07e-05,4.4e-05
2013,0.192,0.0109,1.06e-05,4.26e-05
2014,0.161,0.0104,1.0500000000000001e-05,4.13e-05
2015,0.16,0.0103,1.0399999999999999e-05,4.7e-05
2016,0.15,0.0121,1.01e-05,4.23e-05
2017,0.156,0.0126,1.01e-05,4.43e-05
2018,0.144,0.0124,1.01e-05,4.82e-05
