year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,0.00641,3.23e-06,0.0035299999999999997,1.03e-18,0.106
1851,0.0065,3.3999999999999996e-06,0.0035499999999999998,6.29e-05,0.109
1852,0.0065899999999999995,3.59e-06,0.0035600000000000002,0.000126,0.112
1853,0.006679999999999999,3.78e-06,0.0035800000000000003,0.000189,0.116
1854,0.00677,3.99e-06,0.0036,0.000252,0.119
1855,0.006860000000000001,4.21e-06,0.00362,0.000315,0.122
1856,0.0069500000000000004,4.440000000000001e-06,0.00364,0.000378,0.125
1857,0.007030000000000001,4.68e-06,0.00366,0.00044,0.128
1858,0.0071200000000000005,4.93e-06,0.00368,0.000503,0.131
1859,0.00721,5.1799999999999995e-06,0.0037,0.000566,0.133
1860,0.00729,5.45e-06,0.00372,0.000629,0.136
1861,0.00738,5.72e-06,0.00373,0.0006919999999999999,0.139
1862,0.00747,6.01e-06,0.00375,0.000755,0.141
1863,0.007549999999999999,6.31e-06,0.00377,0.0008179999999999999,0.144
1864,0.00764,6.62e-06,0.00379,0.0008810000000000001,0.146
1865,0.007730000000000001,6.9499999999999995e-06,0.00381,0.000944,0.149
1866,0.00782,7.29e-06,0.0038399999999999997,0.00101,0.151
1867,0.00791,7.65e-06,0.0038599999999999997,0.00107,0.154
1868,0.008,8.030000000000001e-06,0.0038799999999999998,0.00113,0.156
1869,0.00809,8.41e-06,0.00391,0.0012,0.158
1870,0.00819,8.82e-06,0.00393,0.00126,0.161
1871,0.0083,9.25e-06,0.00396,0.00132,0.164
1872,0.00843,9.7e-06,0.00401,0.00138,0.167
1873,0.00857,1.02e-05,0.00405,0.00145,0.171
1874,0.00873,1.07e-05,0.00411,0.00151,0.175
1875,0.0089,1.12e-05,0.00417,0.00157,0.18
1876,0.00906,1.18e-05,0.00423,0.00164,0.184
1877,0.00923,1.23e-05,0.00429,0.0017,0.188
1878,0.00939,1.29e-05,0.00434,0.00176,0.192
1879,0.00954,1.35e-05,0.0044,0.00182,0.196
1880,0.00967,1.41e-05,0.00444,0.00189,0.199
1881,0.009789999999999998,1.47e-05,0.0044800000000000005,0.00195,0.202
1882,0.00991,1.54e-05,0.00451,0.0020099999999999996,0.204
1883,0.01,1.6e-05,0.00455,0.0020800000000000003,0.207
1884,0.0101,1.67e-05,0.0045899999999999995,0.00214,0.209
1885,0.0103,1.74e-05,0.00462,0.0022,0.212
1886,0.0104,1.8100000000000003e-05,0.00466,0.00227,0.214
1887,0.0105,1.89e-05,0.0047,0.00233,0.217
1888,0.0106,1.9699999999999998e-05,0.004730000000000001,0.00239,0.219
1889,0.0108,2.05e-05,0.00477,0.0024500000000000004,0.221
1890,0.0119,2.02e-05,0.004860000000000001,0.00252,0.225
1891,0.0124,2.02e-05,0.004900000000000001,0.0025800000000000003,0.226
1892,0.0128,2.02e-05,0.00495,0.00264,0.228
1893,0.013300000000000001,2.02e-05,0.005,0.00271,0.229
1894,0.013800000000000002,2.02e-05,0.005059999999999999,0.00277,0.23
1895,0.0144,2.02e-05,0.00511,0.00283,0.231
1896,0.015,2.02e-05,0.00517,0.00289,0.233
1897,0.0156,2.02e-05,0.00523,0.00296,0.234
1898,0.0162,2.02e-05,0.00529,0.00302,0.236
1899,0.016800000000000002,2.02e-05,0.00535,0.0030800000000000003,0.237
1900,0.0175,2.02e-05,0.00542,0.00315,0.239
1901,0.0183,2.02e-05,0.00549,0.00321,0.24
1902,0.0192,2.02e-05,0.00557,0.00327,0.242
1903,0.0201,2.02e-05,0.0056500000000000005,0.0033399999999999997,0.244
1904,0.0211,2.02e-05,0.005730000000000001,0.0034,0.246
1905,0.0222,2.02e-05,0.0058200000000000005,0.00346,0.247
1906,0.0232,2.02e-05,0.00591,0.00352,0.249
1907,0.0242,2.02e-05,0.006,0.00359,0.252
1908,0.0251,2.02e-05,0.00609,0.00365,0.254
1909,0.0258,2.03e-05,0.00619,0.0037099999999999998,0.256
1910,0.0264,2.03e-05,0.00628,0.00378,0.259
1911,0.0269,2.0799999999999997e-05,0.00637,0.0038399999999999997,0.263
1912,0.0273,2.2100000000000002e-05,0.00646,0.0039,0.268
1913,0.0277,2.41e-05,0.00654,0.00396,0.274
1914,0.0281,2.68e-05,0.00663,0.004030000000000001,0.282
1915,0.028399999999999998,2.9999999999999997e-05,0.006719999999999999,0.00409,0.29
1916,0.0287,3.36e-05,0.006809999999999999,0.00415,0.299
1917,0.029,3.75e-05,0.00692,0.00422,0.308
1918,0.0293,4.15e-05,0.00704,0.00428,0.316
1919,0.0296,4.57e-05,0.00717,0.00434,0.325
1920,0.03,4.98e-05,0.00732,0.0044,0.332
1921,0.0303,5.41e-05,0.00753,0.00447,0.34
1922,0.030600000000000002,5.89e-05,0.007809999999999999,0.00453,0.35
1923,0.030899999999999997,6.419999999999999e-05,0.008150000000000001,0.0045899999999999995,0.36
1924,0.0312,7.000000000000001e-05,0.00855,0.00466,0.37
1925,0.0316,7.630000000000001e-05,0.009,0.004719999999999999,0.381
1926,0.0319,8.3e-05,0.00948,0.00478,0.39
1927,0.0322,9.02e-05,0.01,0.004849999999999999,0.399
1928,0.0327,9.779999999999999e-05,0.0105,0.00491,0.406
1929,0.033100000000000004,0.000106,0.0111,0.00497,0.41
1930,0.0337,0.000114,0.0116,0.005030000000000001,0.413
1931,0.0344,0.000123,0.012199999999999999,0.0050999999999999995,0.413
1932,0.0354,0.000132,0.0128,0.0051600000000000005,0.411
1933,0.0365,0.00014199999999999998,0.0135,0.00522,0.408
1934,0.037899999999999996,0.000152,0.0141,0.00529,0.404
1935,0.0394,0.000164,0.0149,0.00535,0.399
1936,0.041,0.000177,0.0157,0.00541,0.395
1937,0.0427,0.000191,0.0165,0.00547,0.391
1938,0.0444,0.000207,0.0174,0.00554,0.388
1939,0.0461,0.000225,0.0183,0.0056,0.387
1940,0.0479,0.000244,0.0193,0.00566,0.387
1941,0.0496,0.00027,0.020300000000000002,0.005730000000000001,0.405
1942,0.0514,0.000306,0.0216,0.00579,0.454
1943,0.0533,0.00034899999999999997,0.0229,0.005849999999999999,0.525
1944,0.055299999999999995,0.0004,0.024399999999999998,0.00591,0.611
1945,0.0574,0.000456,0.026,0.00598,0.705
1946,0.0596,0.000516,0.027600000000000003,0.00604,0.799
1947,0.061799999999999994,0.000578,0.0293,0.0060999999999999995,0.886
1948,0.06409999999999999,0.000643,0.031,0.00617,0.958
1949,0.06620000000000001,0.000708,0.0327,0.00623,1.01
1950,0.0705,0.000771,0.0343,0.0062900000000000005,1.03
1951,0.0692,0.000834,0.036,0.00636,1.02
1952,0.0792,0.0008990000000000001,0.037700000000000004,0.00642,1.0
1953,0.0785,0.000966,0.0394,0.0064800000000000005,0.972
1954,0.0815,0.0010400000000000001,0.041100000000000005,0.00654,0.932
1955,0.0882,0.00111,0.0429,0.00661,0.89
1956,0.0912,0.0011799999999999998,0.0448,0.00667,0.847
1957,0.09409999999999999,0.00127,0.046799999999999994,0.006730000000000001,0.808
1958,0.0968,0.00135,0.0489,0.0068,0.777
1959,0.103,0.00145,0.0511,0.006860000000000001,0.757
1960,0.109,0.0015400000000000001,0.053399999999999996,0.00692,0.752
1961,0.121,0.00165,0.056,0.00698,0.805
1962,0.134,0.00176,0.059,0.00705,0.812
1963,0.143,0.0018700000000000001,0.062299999999999994,0.00711,0.813
1964,0.156,0.002,0.0658,0.00717,0.838
1965,0.165,0.00213,0.0694,0.00724,0.806
1966,0.166,0.00228,0.073,0.0073,0.784
1967,0.149,0.0024500000000000004,0.07659999999999999,0.00736,0.769
1968,0.165,0.00263,0.08,0.00743,0.762
1969,0.163,0.00283,0.0832,0.00749,0.762
1970,0.185,0.00287,0.0824,0.00958,0.79
1971,0.188,0.0029100000000000003,0.0858,0.00958,0.782
1972,0.181,0.00299,0.0872,0.00958,0.787
1973,0.224,0.0030499999999999998,0.0895,0.00949,0.851
1974,0.215,0.00313,0.09090000000000001,0.00936,0.745
1975,0.228,0.00318,0.0927,0.009519999999999999,0.836
1976,0.212,0.00321,0.0942,0.009550000000000001,0.895
1977,0.221,0.0033399999999999997,0.0948,0.009699999999999999,0.987
1978,0.222,0.0034300000000000003,0.0963,0.009800000000000001,0.865
1979,0.23,0.0036,0.0963,0.00983,0.927
1980,0.273,0.0037099999999999998,0.09709999999999999,0.0104,1.08
1981,0.273,0.00381,0.101,0.0107,1.01
1982,0.278,0.00395,0.104,0.0111,1.21
1983,0.283,0.00398,0.107,0.0114,1.13
1984,0.307,0.00419,0.111,0.0121,1.09
1985,0.324,0.00426,0.115,0.0127,0.974
1986,0.341,0.00423,0.118,0.013,0.989
1987,0.36,0.00536,0.122,0.0146,1.03
1988,0.387,0.00547,0.126,0.015,1.01
1989,0.409,0.00547,0.13,0.015300000000000001,1.11
1990,0.385,0.005809999999999999,0.135,0.0188,1.09
1991,0.394,0.00622,0.139,0.019600000000000003,1.1
1992,0.398,0.00613,0.143,0.0195,1.13
1993,0.403,0.0062699999999999995,0.148,0.019600000000000003,1.15
1994,0.388,0.00638,0.151,0.0183,1.17
1995,0.404,0.006549999999999999,0.155,0.0198,1.19
1996,0.422,0.006679999999999999,0.159,0.021,1.12
1997,0.455,0.0068,0.162,0.0224,1.09
1998,0.44,0.00633,0.166,0.023100000000000002,1.09
1999,0.483,0.0065,0.169,0.0241,1.18
2000,0.439,0.00671,0.174,0.0246,1.19
2001,0.46,0.006809999999999999,0.179,0.0257,1.46
2002,0.466,0.00698,0.183,0.0257,1.5
2003,0.509,0.00735,0.188,0.0257,1.5
2004,0.525,0.00746,0.193,0.0259,1.41
2005,0.543,0.0075899999999999995,0.198,0.0261,1.34
2006,0.555,0.00774,0.204,0.0268,1.49
2007,0.577,0.00824,0.21,0.0281,1.49
2008,0.574,0.008140000000000001,0.217,0.027899999999999998,1.41
2009,0.591,0.00833,0.223,0.0295,1.51
2010,0.597,0.00835,0.23,0.030100000000000002,1.58
2011,0.627,0.00841,0.237,0.0329,1.57
2012,0.647,0.00846,0.245,0.0341,1.71
2013,0.642,0.00828,0.252,0.0319,1.66
2014,0.666,0.00825,0.258,0.0327,1.63
2015,0.741,0.0083,0.266,0.0339,1.73
2016,0.757,0.008289999999999999,0.269,0.0346,1.72
2017,0.795,0.00828,0.276,0.0353,1.78
2018,0.821,0.00828,0.282,0.036,1.81