year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0008359999999999999,3.01e-07,0.0161,0.124
1851,0.000838,3.44e-07,0.016300000000000002,0.124
1852,0.000844,3.88e-07,0.0165,0.124
1853,0.000853,4.32e-07,0.0167,0.125
1854,0.000866,4.769999999999999e-07,0.0169,0.125
1855,0.000883,5.22e-07,0.0171,0.126
1856,0.000903,5.68e-07,0.0173,0.127
1857,0.0009260000000000001,6.14e-07,0.0175,0.128
1858,0.0009519999999999999,6.61e-07,0.0177,0.129
1859,0.0009809999999999999,7.09e-07,0.0179,0.13
1860,0.00101,7.56e-07,0.0181,0.131
1861,0.0010500000000000002,8.05e-07,0.0183,0.133
1862,0.00109,8.53e-07,0.0184,0.134
1863,0.00113,9.02e-07,0.018600000000000002,0.136
1864,0.00117,9.520000000000001e-07,0.0188,0.137
1865,0.00122,1e-06,0.019,0.139
1866,0.00126,1.05e-06,0.019100000000000002,0.141
1867,0.00131,1.1e-06,0.0193,0.143
1868,0.0013700000000000001,1.15e-06,0.0195,0.145
1869,0.0014199999999999998,1.2099999999999998e-06,0.0197,0.147
1870,0.00148,1.26e-06,0.019899999999999998,0.15
1871,0.0015400000000000001,1.31e-06,0.0202,0.152
1872,0.0016,1.3600000000000001e-06,0.020399999999999998,0.154
1873,0.00166,1.42e-06,0.0207,0.157
1874,0.00173,1.47e-06,0.0209,0.16
1875,0.0017900000000000001,1.52e-06,0.0212,0.162
1876,0.00186,1.5800000000000001e-06,0.0215,0.165
1877,0.0019299999999999999,1.6299999999999999e-06,0.0218,0.168
1878,0.002,1.6900000000000001e-06,0.0221,0.17
1879,0.00207,1.74e-06,0.0224,0.173
1880,0.00214,1.8e-06,0.022600000000000002,0.176
1881,0.00222,1.85e-06,0.0229,0.179
1882,0.00229,1.91e-06,0.0232,0.182
1883,0.00237,1.96e-06,0.0235,0.185
1884,0.00244,2.02e-06,0.0238,0.188
1885,0.00252,2.08e-06,0.0241,0.192
1886,0.0026,2.13e-06,0.024300000000000002,0.195
1887,0.00267,2.19e-06,0.0246,0.198
1888,0.00275,2.2499999999999996e-06,0.0249,0.201
1889,0.00283,2.3e-06,0.0252,0.204
1890,0.00311,3.59e-06,0.0256,0.172
1891,0.0032400000000000003,3.85e-06,0.026,0.197
1892,0.0033799999999999998,4.16e-06,0.0264,0.22
1893,0.00352,4.53e-06,0.0268,0.242
1894,0.00367,4.94e-06,0.0272,0.261
1895,0.00383,5.4e-06,0.027600000000000003,0.278
1896,0.0039900000000000005,5.9e-06,0.028,0.292
1897,0.0041600000000000005,6.43e-06,0.028399999999999998,0.304
1898,0.00433,6.99e-06,0.0288,0.313
1899,0.00451,7.57e-06,0.0292,0.318
1900,0.004690000000000001,8.17e-06,0.0296,0.32
1901,0.004889999999999999,8.880000000000001e-06,0.03,0.318
1902,0.00512,9.75e-06,0.0304,0.313
1903,0.00536,1.07e-05,0.0308,0.305
1904,0.00561,1.18e-05,0.0312,0.296
1905,0.00587,1.29e-05,0.0316,0.286
1906,0.0061200000000000004,1.4e-05,0.032,0.276
1907,0.00636,1.4999999999999999e-05,0.0325,0.266
1908,0.00657,1.6e-05,0.0329,0.259
1909,0.00675,1.68e-05,0.033299999999999996,0.253
1910,0.006889999999999999,1.74e-05,0.0338,0.252
1911,0.007,1.7899999999999998e-05,0.0342,0.252
1912,0.00708,1.83e-05,0.0347,0.252
1913,0.00715,1.87e-05,0.0351,0.254
1914,0.0072,1.9e-05,0.0356,0.255
1915,0.00724,1.93e-05,0.0361,0.257
1916,0.00729,1.9699999999999998e-05,0.0366,0.259
1917,0.00734,2e-05,0.0371,0.261
1918,0.0074,2.03e-05,0.0375,0.263
1919,0.0074800000000000005,2.07e-05,0.038,0.266
1920,0.0075899999999999995,2.11e-05,0.0385,0.268
1921,0.00774,2.16e-05,0.039,0.271
1922,0.00795,2.2100000000000002e-05,0.0395,0.274
1923,0.008199999999999999,2.2599999999999997e-05,0.040100000000000004,0.278
1924,0.00847,2.31e-05,0.040600000000000004,0.283
1925,0.00875,2.37e-05,0.041100000000000005,0.288
1926,0.00901,2.4299999999999998e-05,0.0416,0.293
1927,0.00925,2.49e-05,0.0421,0.299
1928,0.009439999999999999,2.57e-05,0.0427,0.304
1929,0.00957,2.64e-05,0.0432,0.309
1930,0.00962,2.7199999999999997e-05,0.0437,0.314
1931,0.00962,2.82e-05,0.0442,0.32
1932,0.00962,2.94e-05,0.0446,0.326
1933,0.00962,3.08e-05,0.045,0.333
1934,0.009609999999999999,3.23e-05,0.0455,0.34
1935,0.009609999999999999,3.4e-05,0.045899999999999996,0.346
1936,0.0096,3.56e-05,0.046299999999999994,0.353
1937,0.00959,3.73e-05,0.046799999999999994,0.358
1938,0.00958,3.89e-05,0.0474,0.362
1939,0.00957,4.04e-05,0.048100000000000004,0.365
1940,0.00956,4.19e-05,0.0489,0.366
1941,0.009519999999999999,4.31e-05,0.05,0.366
1942,0.00941,4.4200000000000004e-05,0.0517,0.364
1943,0.009269999999999999,4.53e-05,0.053899999999999997,0.362
1944,0.009089999999999999,4.63e-05,0.0564,0.359
1945,0.00891,4.7300000000000005e-05,0.059,0.357
1946,0.00872,4.84e-05,0.061700000000000005,0.354
1947,0.00855,4.96e-05,0.0643,0.351
1948,0.00841,5.0900000000000004e-05,0.06659999999999999,0.349
1949,0.008320000000000001,5.2499999999999995e-05,0.0686,0.348
1950,0.00828,5.43e-05,0.0701,0.347
1951,0.008289999999999999,5.72e-05,0.0713,0.349
1952,0.00833,6.16e-05,0.0726,0.353
1953,0.00838,6.71e-05,0.0737,0.36
1954,0.00844,7.32e-05,0.07490000000000001,0.368
1955,0.0085,7.960000000000001e-05,0.07590000000000001,0.376
1956,0.00857,8.59e-05,0.0768,0.385
1957,0.00863,9.14e-05,0.07759999999999999,0.393
1958,0.00867,9.6e-05,0.0782,0.4
1959,0.00871,9.900000000000001e-05,0.0785,0.404
1960,0.00872,0.0001,0.0787,0.406
1961,0.00872,0.0001,0.0787,0.4
1962,0.00872,0.0001,0.0787,0.392
1963,0.00872,0.0001,0.0787,0.379
1964,0.00872,0.0001,0.0787,0.377
1965,0.00872,0.0001,0.0787,0.384
1966,0.00872,0.0001,0.0787,0.382
1967,0.00872,0.0001,0.0787,0.378
1968,0.00872,0.0001,0.0787,0.362
1969,0.0108,0.0001,0.0785,0.35
1970,0.0111,0.0001,0.07659999999999999,0.329
1971,0.00933,9.57e-05,0.0815,0.321
1972,0.009380000000000001,9.88e-05,0.0815,0.329
1973,0.009349999999999999,0.000107,0.08220000000000001,0.338
1974,0.00884,0.000114,0.0828,0.342
1975,0.00811,9.56e-05,0.0823,0.339
1976,0.00843,0.000103,0.08209999999999999,0.342
1977,0.00869,0.000107,0.0823,0.343
1978,0.00872,0.000102,0.0824,0.348
1979,0.00982,0.000108,0.0829,0.348
1980,0.0112,9.91e-05,0.0832,0.346
1981,0.0126,9.53e-05,0.0832,0.34
1982,0.0135,8.400000000000001e-05,0.0831,0.331
1983,0.0135,8.730000000000001e-05,0.0825,0.33
1984,0.016,9.510000000000001e-05,0.0832,0.316
1985,0.0193,9.79e-05,0.0831,0.307
1986,0.0223,9.329999999999999e-05,0.0832,0.297
1987,0.0246,9.37e-05,0.0831,0.287
1988,0.0247,9.92e-05,0.0832,0.275
1989,0.0261,0.000101,0.0831,0.273
1990,0.026699999999999998,0.000114,0.0828,0.275
1991,0.030699999999999998,0.000107,0.0878,0.277
1992,0.0315,0.000126,0.09,0.276
1993,0.0335,0.000111,0.0916,0.281
1994,0.0351,0.000104,0.0912,0.275
1995,0.0363,0.000121,0.0733,0.275
1996,0.04,0.000135,0.104,0.274
1997,0.0445,0.000155,0.0799,0.272
1998,0.0433,0.000135,0.0691,0.274
1999,0.045200000000000004,0.00014199999999999998,0.06520000000000001,0.262
2000,0.048299999999999996,0.000156,0.0704,0.263
2001,0.0495,0.00014399999999999998,0.0693,0.27
2002,0.0514,0.000176,0.0668,0.264
2003,0.0505,0.00019700000000000002,0.0664,0.26
2004,0.0564,0.00018099999999999998,0.0605,0.256
2005,0.0611,0.00016900000000000002,0.06,0.252
2006,0.0621,0.00019800000000000002,0.0631,0.247
2007,0.0608,0.000156,0.06659999999999999,0.251
2008,0.0633,0.00014299999999999998,0.0669,0.245
2009,0.0587,0.00014299999999999998,0.0663,0.24
2010,0.06,0.000124,0.144,0.25
2011,0.0546,0.00011899999999999999,0.138,0.247
2012,0.0521,0.00015900000000000002,0.107,0.247
2013,0.0502,0.00015900000000000002,0.07,0.245
2014,0.0495,0.00014000000000000001,0.0691,0.242
2015,0.052899999999999996,0.00017,0.061,0.243
2016,0.052899999999999996,0.000115,0.0625,0.243
2017,0.053200000000000004,0.00011999999999999999,0.064,0.241
2018,0.0506,0.000122,0.06509999999999999,0.245