year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00551,0.000257,4.62e-05,5.14e-06
1851,0.0058,0.00027,4.8599999999999995e-05,5.41e-06
1852,0.0061200000000000004,0.000285,5.1200000000000004e-05,5.7099999999999995e-06
1853,0.00645,0.000301,5.4e-05,6.02e-06
1854,0.006809999999999999,0.000317,5.7e-05,6.349999999999999e-06
1855,0.00718,0.000335,6.0100000000000004e-05,6.7e-06
1856,0.00757,0.00035299999999999996,6.34e-05,7.06e-06
1857,0.007980000000000001,0.000372,6.68e-05,7.440000000000001e-06
1858,0.008400000000000001,0.000391,7.04e-05,7.84e-06
1859,0.00884,0.000412,7.4e-05,8.24e-06
1860,0.00929,0.000433,7.78e-05,8.66e-06
1861,0.00976,0.000455,8.17e-05,9.100000000000001e-06
1862,0.010199999999999999,0.000477,8.58e-05,9.56e-06
1863,0.0108,0.000501,9.01e-05,1e-05
1864,0.011300000000000001,0.000526,9.460000000000001e-05,1.0500000000000001e-05
1865,0.0119,0.0005520000000000001,9.93e-05,1.11e-05
1866,0.0124,0.00058,0.000104,1.1599999999999999e-05
1867,0.013,0.000608,0.00010899999999999999,1.22e-05
1868,0.013699999999999999,0.000638,0.000115,1.2800000000000001e-05
1869,0.0143,0.0006680000000000001,0.00011999999999999999,1.34e-05
1870,0.015,0.0007009999999999999,0.000126,1.4e-05
1871,0.0158,0.000735,0.000132,1.47e-05
1872,0.0165,0.000771,0.00013900000000000002,1.54e-05
1873,0.0174,0.000809,0.000145,1.62e-05
1874,0.0182,0.00085,0.000153,1.7e-05
1875,0.019100000000000002,0.000892,0.00016,1.7899999999999998e-05
1876,0.0201,0.0009360000000000001,0.00016800000000000002,1.87e-05
1877,0.021,0.0009809999999999999,0.000176,1.96e-05
1878,0.022,0.00103,0.000185,2.06e-05
1879,0.023100000000000002,0.00107,0.000193,2.1499999999999997e-05
1880,0.0241,0.0011200000000000001,0.000202,2.2499999999999998e-05
1881,0.0251,0.00117,0.000211,2.35e-05
1882,0.026199999999999998,0.00122,0.00022,2.4500000000000003e-05
1883,0.0273,0.00127,0.000229,2.55e-05
1884,0.0285,0.00133,0.00023899999999999998,2.66e-05
1885,0.0297,0.00138,0.000249,2.77e-05
1886,0.030899999999999997,0.0014399999999999999,0.000259,2.88e-05
1887,0.0322,0.0015,0.00027,2.9999999999999997e-05
1888,0.0335,0.00156,0.00028100000000000005,3.13e-05
1889,0.0349,0.00163,0.000292,3.26e-05
1890,0.038299999999999994,0.00161,0.000321,3.57e-05
1891,0.039700000000000006,0.0016200000000000001,0.000332,3.7e-05
1892,0.0412,0.0016200000000000001,0.000345,3.84e-05
1893,0.0429,0.00163,0.000359,4e-05
1894,0.0446,0.00163,0.000374,4.1599999999999995e-05
1895,0.0465,0.00164,0.000389,4.34e-05
1896,0.0485,0.00164,0.000406,4.5199999999999994e-05
1897,0.0505,0.00165,0.000423,4.71e-05
1898,0.0526,0.00166,0.000441,4.91e-05
1899,0.054799999999999995,0.0016699999999999998,0.00045900000000000004,5.1200000000000004e-05
1900,0.0571,0.0016699999999999998,0.00047799999999999996,5.33e-05
1901,0.0596,0.0016799999999999999,0.000499,5.5599999999999996e-05
1902,0.0625,0.0016899999999999999,0.000523,5.83e-05
1903,0.06559999999999999,0.0017,0.00055,6.12e-05
1904,0.0689,0.00171,0.0005769999999999999,6.429999999999999e-05
1905,0.0723,0.00172,0.000606,6.74e-05
1906,0.0757,0.00173,0.000633,7.06e-05
1907,0.07890000000000001,0.00175,0.00066,7.35e-05
1908,0.0818,0.00176,0.0006850000000000001,7.630000000000001e-05
1909,0.0845,0.00177,0.000708,7.879999999999999e-05
1910,0.0867,0.0017900000000000001,0.000726,8.09e-05
1911,0.0886,0.0018,0.000742,8.26e-05
1912,0.0902,0.00182,0.000756,8.42e-05
1913,0.0917,0.00184,0.000768,8.55e-05
1914,0.09309999999999999,0.00186,0.00078,8.68e-05
1915,0.09440000000000001,0.00188,0.000791,8.8e-05
1916,0.09570000000000001,0.0019,0.0008010000000000001,8.92e-05
1917,0.097,0.0019299999999999999,0.000812,9.049999999999999e-05
1918,0.0984,0.00196,0.000824,9.180000000000001e-05
1919,0.1,0.00199,0.000837,9.32e-05
1920,0.102,0.0020299999999999997,0.000851,9.48e-05
1921,0.104,0.00209,0.000868,9.669999999999999e-05
1922,0.106,0.00218,0.000889,9.900000000000001e-05
1923,0.109,0.00229,0.000911,0.000101
1924,0.112,0.0024300000000000003,0.000934,0.000104
1925,0.114,0.0025800000000000003,0.000958,0.000107
1926,0.117,0.0027400000000000002,0.0009809999999999999,0.00010899999999999999
1927,0.12,0.0029,0.001,0.000112
1928,0.122,0.0030600000000000002,0.00102,0.000114
1929,0.124,0.00322,0.0010400000000000001,0.000115
1930,0.125,0.00335,0.0010500000000000002,0.00011700000000000001
1931,0.126,0.00348,0.0010500000000000002,0.00011700000000000001
1932,0.127,0.00361,0.00106,0.000118
1933,0.128,0.0037400000000000003,0.00107,0.00011899999999999999
1934,0.129,0.00387,0.00108,0.00011999999999999999
1935,0.129,0.004,0.00108,0.000121
1936,0.13,0.00413,0.00109,0.000121
1937,0.131,0.00426,0.00109,0.000122
1938,0.131,0.00438,0.0011,0.000122
1939,0.131,0.0045,0.0011,0.000122
1940,0.131,0.00461,0.0011,0.000122
1941,0.131,0.004719999999999999,0.0011,0.000122
1942,0.131,0.00481,0.00109,0.000122
1943,0.13,0.004889999999999999,0.00108,0.000121
1944,0.129,0.00497,0.00107,0.00011999999999999999
1945,0.127,0.00505,0.00106,0.00011899999999999999
1946,0.126,0.00514,0.0010500000000000002,0.00011700000000000001
1947,0.125,0.00524,0.0010400000000000001,0.000116
1948,0.124,0.00535,0.0010400000000000001,0.000115
1949,0.124,0.0054800000000000005,0.00103,0.000115
1950,0.123,0.00564,0.00103,0.000115
1951,0.124,0.00588,0.0010400000000000001,0.000115
1952,0.127,0.00624,0.0010500000000000002,0.00011700000000000001
1953,0.13,0.0067,0.00108,0.00011999999999999999
1954,0.134,0.00724,0.0011200000000000001,0.000124
1955,0.14,0.00785,0.00116,0.000129
1956,0.146,0.00851,0.00121,0.000135
1957,0.152,0.009210000000000001,0.00126,0.00014000000000000001
1958,0.159,0.00993,0.00131,0.000146
1959,0.165,0.0107,0.0013700000000000001,0.000152
1960,0.172,0.0114,0.0014199999999999998,0.000158
1961,0.179,0.0121,0.00149,0.000165
1962,0.189,0.013,0.00156,0.000174
1963,0.2,0.013900000000000001,0.00166,0.000184
1964,0.212,0.0149,0.00175,0.000195
1965,0.224,0.0159,0.00185,0.000207
1966,0.235,0.0169,0.00195,0.000217
1967,0.246,0.0179,0.00204,0.000228
1968,0.256,0.0188,0.00212,0.000236
1969,0.263,0.0197,0.00218,0.000243
1970,0.236,0.0177,0.0022299999999999998,0.000303
1971,0.251,0.0183,0.0023,0.00032700000000000003
1972,0.272,0.0201,0.00237,0.000357
1973,0.306,0.0214,0.0024500000000000004,0.000386
1974,0.306,0.0224,0.00256,0.000408
1975,0.293,0.0202,0.00261,0.000439
1976,0.33,0.0222,0.00266,0.00047099999999999996
1977,0.327,0.0224,0.0027,0.000495
1978,0.348,0.0225,0.00275,0.0005290000000000001
1979,0.364,0.0235,0.00282,0.000583
1980,0.362,0.0229,0.00289,0.000609
1981,0.335,0.0225,0.00297,0.0006720000000000001
1982,0.334,0.0211,0.0030600000000000002,0.000717
1983,0.332,0.0212,0.00318,0.000762
1984,0.334,0.022699999999999998,0.00328,0.000785
1985,0.338,0.022600000000000002,0.0033799999999999998,0.000871
1986,0.339,0.0228,0.00348,0.0009699999999999999
1987,0.344,0.0245,0.0035800000000000003,0.00101
1988,0.355,0.0258,0.00365,0.00106
1989,0.385,0.0265,0.00378,0.0011200000000000001
1990,0.393,0.027399999999999997,0.00418,0.00117
1991,0.4,0.0277,0.00422,0.00121
1992,0.407,0.028399999999999998,0.00442,0.00124
1993,0.418,0.0277,0.00433,0.00128
1994,0.42,0.0287,0.004690000000000001,0.00128
1995,0.447,0.0288,0.0045899999999999995,0.00126
1996,0.477,0.0287,0.00439,0.00131
1997,0.489,0.0292,0.0038900000000000002,0.00128
1998,0.515,0.0294,0.0038399999999999997,0.0012900000000000001
1999,0.538,0.0289,0.00372,0.00131
2000,0.549,0.0296,0.00372,0.00128
2001,0.551,0.0292,0.00297,0.00133
2002,0.558,0.0298,0.0022299999999999998,0.00136
2003,0.56,0.0312,0.00149,0.0014199999999999998
2004,0.585,0.0325,0.000743,0.00147
2005,0.6,0.033,0.0,0.0015400000000000001
2006,0.569,0.0335,0.000631,0.00155
2007,0.562,0.0348,0.00126,0.0016
2008,0.562,0.0317,0.00189,0.0016200000000000001
2009,0.538,0.0354,0.00252,0.00159
2010,0.538,0.038,0.00316,0.0016799999999999999
2011,0.508,0.0371,0.00299,0.0015300000000000001
2012,0.507,0.032799999999999996,0.00272,0.00157
2013,0.496,0.030199999999999998,0.00279,0.00155
2014,0.482,0.0258,0.00289,0.0016
2015,0.483,0.0256,0.0030299999999999997,0.002
2016,0.489,0.0254,0.00316,0.00207
2017,0.491,0.0269,0.00348,0.00214
2018,0.477,0.026600000000000002,0.0033799999999999998,0.00222