year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00283,4.49e-11,0.00878,0.112
1851,0.0028399999999999996,5.14e-11,0.00889,0.112
1852,0.0028599999999999997,5.79e-11,0.009,0.112
1853,0.00289,6.45e-11,0.00911,0.113
1854,0.00294,7.12e-11,0.00922,0.113
1855,0.00299,7.8e-11,0.00933,0.114
1856,0.0030600000000000002,8.480000000000001e-11,0.009439999999999999,0.114
1857,0.00314,9.169999999999999e-11,0.009550000000000001,0.115
1858,0.00323,9.87e-11,0.00965,0.116
1859,0.00333,1.06e-10,0.00976,0.117
1860,0.0034300000000000003,1.1300000000000001e-10,0.009859999999999999,0.118
1861,0.0035499999999999998,1.2e-10,0.009970000000000001,0.119
1862,0.00368,1.27e-10,0.0101,0.121
1863,0.00382,1.35e-10,0.010199999999999999,0.122
1864,0.0039700000000000004,1.42e-10,0.0103,0.124
1865,0.00412,1.5e-10,0.0104,0.125
1866,0.00429,1.57e-10,0.0104,0.127
1867,0.0044599999999999996,1.65e-10,0.0105,0.129
1868,0.00464,1.72e-10,0.0107,0.131
1869,0.0048200000000000005,1.8e-10,0.0108,0.133
1870,0.005019999999999999,1.88e-10,0.0109,0.135
1871,0.00522,1.96e-10,0.011,0.137
1872,0.00542,2.03e-10,0.0111,0.139
1873,0.00563,2.11e-10,0.011300000000000001,0.141
1874,0.005849999999999999,2.19e-10,0.0114,0.144
1875,0.00608,2.2700000000000002e-10,0.0116,0.146
1876,0.0063,2.35e-10,0.011699999999999999,0.149
1877,0.00654,2.4400000000000004e-10,0.0119,0.151
1878,0.0067800000000000004,2.5199999999999996e-10,0.012,0.154
1879,0.007019999999999999,2.6e-10,0.012199999999999999,0.156
1880,0.00726,2.68e-10,0.0124,0.159
1881,0.00751,2.76e-10,0.0125,0.162
1882,0.0077599999999999995,2.8500000000000005e-10,0.0127,0.164
1883,0.00802,2.9299999999999997e-10,0.0128,0.167
1884,0.00828,3.01e-10,0.013,0.17
1885,0.008539999999999999,3.1e-10,0.013099999999999999,0.173
1886,0.0088,3.1800000000000004e-10,0.013300000000000001,0.175
1887,0.00906,3.27e-10,0.0134,0.178
1888,0.00933,3.3500000000000003e-10,0.0136,0.181
1889,0.0096,3.44e-10,0.013800000000000002,0.184
1890,0.0104,3.5199999999999997e-10,0.014,0.155
1891,0.0108,3.61e-10,0.014199999999999999,0.178
1892,0.011300000000000001,3.6899999999999997e-10,0.0144,0.199
1893,0.011800000000000001,3.7800000000000004e-10,0.0146,0.218
1894,0.012199999999999999,3.87e-10,0.0148,0.235
1895,0.0127,3.95e-10,0.015099999999999999,0.251
1896,0.0132,4.05e-10,0.015300000000000001,0.264
1897,0.013800000000000002,4.1399999999999997e-10,0.0155,0.274
1898,0.0143,4.24e-10,0.0157,0.282
1899,0.0149,4.34e-10,0.0159,0.287
1900,0.0154,4.4499999999999996e-10,0.0162,0.288
1901,0.016,4.58e-10,0.016399999999999998,0.287
1902,0.0167,4.72e-10,0.0166,0.282
1903,0.0175,4.87e-10,0.016800000000000002,0.275
1904,0.0183,5.03e-10,0.017,0.267
1905,0.019100000000000002,5.2e-10,0.0173,0.257
1906,0.0198,5.36e-10,0.0175,0.248
1907,0.0205,5.52e-10,0.0177,0.24
1908,0.0212,5.66e-10,0.018,0.233
1909,0.0217,5.79e-10,0.0182,0.228
1910,0.0221,5.899999999999999e-10,0.0184,0.227
1911,0.0224,6e-10,0.018699999999999998,0.227
1912,0.022600000000000002,6.080000000000001e-10,0.0189,0.228
1913,0.022699999999999998,6.16e-10,0.0192,0.229
1914,0.0228,6.24e-10,0.019399999999999997,0.23
1915,0.0229,6.31e-10,0.0197,0.231
1916,0.023,6.38e-10,0.02,0.233
1917,0.023100000000000002,6.449999999999999e-10,0.0202,0.235
1918,0.0232,6.51e-10,0.0205,0.237
1919,0.023399999999999997,6.57e-10,0.0208,0.239
1920,0.0237,6.630000000000001e-10,0.021,0.242
1921,0.0241,6.68e-10,0.0213,0.244
1922,0.0247,6.74e-10,0.0216,0.247
1923,0.0255,6.789999999999999e-10,0.0219,0.251
1924,0.0263,6.84e-10,0.0221,0.255
1925,0.027100000000000003,6.89e-10,0.0224,0.26
1926,0.027899999999999998,6.940000000000001e-10,0.022699999999999998,0.264
1927,0.0286,6.99e-10,0.023,0.269
1928,0.0292,7.03e-10,0.0233,0.274
1929,0.0296,7.06e-10,0.023600000000000003,0.279
1930,0.0297,7.1e-10,0.0238,0.283
1931,0.0297,7.12e-10,0.0241,0.288
1932,0.0298,7.15e-10,0.024399999999999998,0.294
1933,0.0297,7.17e-10,0.0246,0.3
1934,0.0297,7.18e-10,0.0248,0.306
1935,0.0297,7.2e-10,0.025,0.312
1936,0.0297,7.22e-10,0.0253,0.318
1937,0.0297,7.24e-10,0.0256,0.323
1938,0.0297,7.26e-10,0.0259,0.327
1939,0.0296,7.290000000000001e-10,0.026199999999999998,0.329
1940,0.0296,7.320000000000001e-10,0.026699999999999998,0.33
1941,0.0295,7.37e-10,0.0273,0.329
1942,0.0292,7.44e-10,0.0282,0.328
1943,0.0287,7.52e-10,0.0294,0.326
1944,0.0282,7.630000000000001e-10,0.0308,0.324
1945,0.027600000000000003,7.74e-10,0.0322,0.321
1946,0.027,7.870000000000001e-10,0.0337,0.319
1947,0.0265,7.999999999999999e-10,0.0351,0.317
1948,0.0261,8.14e-10,0.0364,0.315
1949,0.0258,8.279999999999999e-10,0.037399999999999996,0.313
1950,0.0257,8.420000000000001e-10,0.038299999999999994,0.313
1951,0.0257,8.57e-10,0.0389,0.314
1952,0.0258,8.74e-10,0.0396,0.318
1953,0.026,8.92e-10,0.0402,0.324
1954,0.0261,9.1e-10,0.0409,0.331
1955,0.0263,9.3e-10,0.0414,0.339
1956,0.0265,9.51e-10,0.0419,0.347
1957,0.026699999999999998,9.73e-10,0.0423,0.354
1958,0.0269,9.95e-10,0.0427,0.36
1959,0.027,1.02e-09,0.0429,0.364
1960,0.027,1.04e-09,0.0429,0.366
1961,0.027,1.06e-09,0.0429,0.382
1962,0.027,1.09e-09,0.0429,0.379
1963,0.027,1.12e-09,0.0429,0.386
1964,0.027,1.15e-09,0.0429,0.394
1965,0.027,1.1799999999999999e-09,0.0429,0.411
1966,0.027,1.2100000000000002e-09,0.0429,0.438
1967,0.027,1.24e-09,0.0429,0.447
1968,0.027,1.27e-09,0.0429,0.444
1969,0.027,1.2899999999999999e-09,0.0429,0.447
1970,0.0345,1.3e-09,0.0419,0.45
1971,0.0303,1.31e-09,0.045899999999999996,0.464
1972,0.0273,1.32e-09,0.046299999999999994,0.46
1973,0.023600000000000003,1.33e-09,0.0471,0.491
1974,0.0269,1.33e-09,0.047799999999999995,0.522
1975,0.0233,1.3400000000000001e-09,0.0482,0.522
1976,0.0241,1.3400000000000001e-09,0.048299999999999996,0.503
1977,0.026,1.35e-09,0.049,0.507
1978,0.019399999999999997,1.3599999999999999e-09,0.0497,0.512
1979,0.029,1.3599999999999999e-09,0.0514,0.508
1980,0.0258,1.37e-09,0.0526,0.508
1981,0.03,1.38e-09,0.053,0.483
1982,0.03,1.39e-09,0.054200000000000005,0.481
1983,0.0318,1.4e-09,0.054,0.488
1984,0.0295,1.41e-09,0.054799999999999995,0.493
1985,0.03,1.43e-09,0.0549,0.498
1986,0.030600000000000002,1.44e-09,0.055,0.495
1987,0.0272,1.4500000000000002e-09,0.055200000000000006,0.486
1988,0.026,1.4699999999999999e-09,0.0551,0.485
1989,0.0256,1.48e-09,0.054700000000000006,0.491
1990,0.0247,1.49e-09,0.055200000000000006,0.511
1991,0.024,1.5e-09,0.0584,0.515
1992,0.0212,1.5200000000000001e-09,0.061,0.52
1993,0.0208,1.5299999999999999e-09,0.063,0.519
1994,0.019100000000000002,1.54e-09,0.0648,0.516
1995,0.0179,1.55e-09,0.0663,0.516
1996,0.0179,1.57e-09,0.061399999999999996,0.53
1997,0.016300000000000002,1.58e-09,0.051,0.541
1998,0.016399999999999998,1.59e-09,0.0533,0.548
1999,0.014,1.2800000000000001e-09,0.0531,0.53
2000,0.014,1.72e-09,0.0533,0.506
2001,0.014199999999999999,1.59e-09,0.0573,0.503
2002,0.013,1.77e-09,0.060399999999999995,0.497
2003,0.039299999999999995,1.9999999999999997e-09,0.060700000000000004,0.495
2004,0.0127,1.02e-09,0.0499,0.494
2005,0.0128,1.58e-09,0.0427,0.488
2006,0.0129,1.59e-09,0.0442,0.485
2007,0.013,1.59e-09,0.026699999999999998,0.476
2008,0.013099999999999999,1.5999999999999999e-09,0.021,0.473
2009,0.013099999999999999,1.5999999999999999e-09,0.014,0.466
2010,0.0129,1.61e-09,0.013699999999999999,0.456
2011,0.011800000000000001,1.61e-09,0.0178,0.452
2012,0.0115,1.61e-09,0.0147,0.467
2013,0.0119,1.62e-09,0.021,0.474
2014,0.0108,1.62e-09,0.0285,0.479
2015,0.0106,1.6300000000000002e-09,0.0317,0.489
2016,0.0103,1.6300000000000002e-09,0.0325,0.504
2017,0.009800000000000001,1.6300000000000002e-09,0.0314,0.519
2018,0.0103,1.64e-09,0.0303,0.519