year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00361,4.49e-11,0.0106,0.117
1851,0.00362,5.14e-11,0.0107,0.117
1852,0.00364,5.79e-11,0.0108,0.117
1853,0.00368,6.45e-11,0.011,0.118
1854,0.0037400000000000003,7.12e-11,0.0111,0.118
1855,0.00381,7.8e-11,0.0112,0.119
1856,0.0038900000000000002,8.480000000000001e-11,0.0114,0.12
1857,0.0039900000000000005,9.169999999999999e-11,0.0115,0.12
1858,0.0040999999999999995,9.87e-11,0.0116,0.121
1859,0.00423,1.06e-10,0.011699999999999999,0.122
1860,0.00437,1.1300000000000001e-10,0.0119,0.124
1861,0.00452,1.2e-10,0.012,0.125
1862,0.004690000000000001,1.27e-10,0.0121,0.126
1863,0.004860000000000001,1.35e-10,0.012199999999999999,0.128
1864,0.00505,1.42e-10,0.0123,0.13
1865,0.00524,1.5e-10,0.0125,0.131
1866,0.00545,1.57e-10,0.0126,0.133
1867,0.00567,1.65e-10,0.0127,0.135
1868,0.005900000000000001,1.72e-10,0.0128,0.137
1869,0.00614,1.8e-10,0.013,0.139
1870,0.00638,1.88e-10,0.013099999999999999,0.141
1871,0.00664,1.96e-10,0.0132,0.143
1872,0.006900000000000001,2.03e-10,0.0134,0.146
1873,0.00717,2.11e-10,0.0136,0.148
1874,0.00745,2.19e-10,0.013800000000000002,0.15
1875,0.007730000000000001,2.2700000000000002e-10,0.013900000000000001,0.153
1876,0.00802,2.35e-10,0.0141,0.156
1877,0.008320000000000001,2.4400000000000004e-10,0.0143,0.158
1878,0.00862,2.5199999999999996e-10,0.0145,0.161
1879,0.00893,2.6e-10,0.0147,0.163
1880,0.00924,2.68e-10,0.0149,0.166
1881,0.00956,2.76e-10,0.015099999999999999,0.169
1882,0.009880000000000002,2.8500000000000005e-10,0.0152,0.172
1883,0.010199999999999999,2.9299999999999997e-10,0.0154,0.175
1884,0.0105,3.01e-10,0.0156,0.178
1885,0.0109,3.1e-10,0.0158,0.181
1886,0.0112,3.1800000000000004e-10,0.016,0.184
1887,0.0115,3.27e-10,0.0162,0.187
1888,0.0119,3.3500000000000003e-10,0.016399999999999998,0.19
1889,0.012199999999999999,3.44e-10,0.0166,0.193
1890,0.013099999999999999,3.5199999999999997e-10,0.016800000000000002,0.163
1891,0.013699999999999999,3.61e-10,0.0171,0.186
1892,0.014199999999999999,3.6899999999999997e-10,0.0173,0.208
1893,0.0148,3.7800000000000004e-10,0.0176,0.228
1894,0.015300000000000001,3.87e-10,0.0179,0.246
1895,0.0159,3.95e-10,0.0181,0.262
1896,0.0165,4.05e-10,0.0184,0.276
1897,0.0172,4.1399999999999997e-10,0.018600000000000002,0.287
1898,0.0178,4.24e-10,0.0189,0.295
1899,0.0185,4.34e-10,0.0192,0.3
1900,0.019100000000000002,4.4499999999999996e-10,0.019399999999999997,0.302
1901,0.0198,4.58e-10,0.0197,0.3
1902,0.0207,4.72e-10,0.02,0.295
1903,0.0215,4.87e-10,0.0202,0.288
1904,0.0225,5.03e-10,0.0205,0.279
1905,0.023399999999999997,5.2e-10,0.0208,0.269
1906,0.0242,5.36e-10,0.0211,0.26
1907,0.0251,5.52e-10,0.0213,0.251
1908,0.0258,5.66e-10,0.0216,0.244
1909,0.0264,5.79e-10,0.0219,0.239
1910,0.0268,5.899999999999999e-10,0.0222,0.237
1911,0.027100000000000003,6e-10,0.0225,0.237
1912,0.0273,6.080000000000001e-10,0.0228,0.238
1913,0.027399999999999997,6.16e-10,0.023100000000000002,0.239
1914,0.027399999999999997,6.24e-10,0.023399999999999997,0.24
1915,0.027399999999999997,6.31e-10,0.0237,0.242
1916,0.027399999999999997,6.38e-10,0.024,0.244
1917,0.027399999999999997,6.449999999999999e-10,0.024300000000000002,0.246
1918,0.0275,6.51e-10,0.0247,0.248
1919,0.0277,6.57e-10,0.025,0.25
1920,0.027899999999999998,6.630000000000001e-10,0.0253,0.253
1921,0.028399999999999998,6.68e-10,0.0256,0.255
1922,0.0291,6.74e-10,0.026,0.259
1923,0.0299,6.789999999999999e-10,0.0263,0.263
1924,0.0308,6.84e-10,0.026699999999999998,0.267
1925,0.0318,6.89e-10,0.027,0.272
1926,0.0327,6.940000000000001e-10,0.0273,0.277
1927,0.0335,6.99e-10,0.0277,0.282
1928,0.0342,7.03e-10,0.028,0.287
1929,0.0346,7.06e-10,0.028399999999999998,0.292
1930,0.0348,7.1e-10,0.0287,0.296
1931,0.0348,7.12e-10,0.029,0.302
1932,0.0348,7.15e-10,0.0293,0.307
1933,0.0348,7.17e-10,0.0296,0.314
1934,0.0348,7.18e-10,0.0299,0.32
1935,0.0348,7.2e-10,0.030199999999999998,0.327
1936,0.0348,7.22e-10,0.0305,0.332
1937,0.0348,7.24e-10,0.0308,0.338
1938,0.0348,7.26e-10,0.0312,0.342
1939,0.0347,7.290000000000001e-10,0.0316,0.344
1940,0.0347,7.320000000000001e-10,0.032100000000000004,0.345
1941,0.0345,7.37e-10,0.0329,0.345
1942,0.0342,7.44e-10,0.034,0.343
1943,0.033600000000000005,7.52e-10,0.0354,0.341
1944,0.033,7.630000000000001e-10,0.037,0.339
1945,0.0324,7.74e-10,0.038799999999999994,0.336
1946,0.0317,7.870000000000001e-10,0.0405,0.334
1947,0.031100000000000003,7.999999999999999e-10,0.0422,0.331
1948,0.030600000000000002,8.14e-10,0.0438,0.329
1949,0.030199999999999998,8.279999999999999e-10,0.0451,0.328
1950,0.030100000000000002,8.420000000000001e-10,0.0461,0.327
1951,0.030100000000000002,8.57e-10,0.0469,0.329
1952,0.0303,8.74e-10,0.047700000000000006,0.333
1953,0.0304,8.92e-10,0.0485,0.339
1954,0.030699999999999998,9.1e-10,0.0492,0.347
1955,0.030899999999999997,9.3e-10,0.0499,0.355
1956,0.031100000000000003,9.51e-10,0.0505,0.363
1957,0.0313,9.73e-10,0.051,0.371
1958,0.0315,9.95e-10,0.0514,0.377
1959,0.0316,1.02e-09,0.0516,0.381
1960,0.0317,1.04e-09,0.0517,0.383
1961,0.0317,1.06e-09,0.0517,0.4
1962,0.0317,1.09e-09,0.0517,0.397
1963,0.0317,1.12e-09,0.0517,0.404
1964,0.0317,1.15e-09,0.0517,0.412
1965,0.0317,1.1799999999999999e-09,0.0517,0.43
1966,0.0317,1.2100000000000002e-09,0.0517,0.458
1967,0.0317,1.24e-09,0.0517,0.468
1968,0.0317,1.27e-09,0.0517,0.465
1969,0.0357,1.2899999999999999e-09,0.053,0.468
1970,0.0359,1.3e-09,0.0518,0.471
1971,0.0339,1.31e-09,0.0567,0.485
1972,0.0319,1.32e-09,0.0572,0.481
1973,0.0287,1.33e-09,0.0581,0.513
1974,0.0317,1.33e-09,0.059,0.546
1975,0.027899999999999998,1.3400000000000001e-09,0.0594,0.546
1976,0.028399999999999998,1.3400000000000001e-09,0.0596,0.527
1977,0.0305,1.35e-09,0.0605,0.531
1978,0.0259,1.3599999999999999e-09,0.061399999999999996,0.536
1979,0.0362,1.3599999999999999e-09,0.0635,0.531
1980,0.0348,1.37e-09,0.065,0.532
1981,0.040799999999999996,1.38e-09,0.0654,0.506
1982,0.0445,1.39e-09,0.0669,0.503
1983,0.047,1.4e-09,0.06659999999999999,0.511
1984,0.046700000000000005,1.41e-09,0.0677,0.516
1985,0.0493,1.43e-09,0.0677,0.521
1986,0.0482,1.44e-09,0.0679,0.518
1987,0.046700000000000005,1.4500000000000002e-09,0.0681,0.509
1988,0.0497,1.4699999999999999e-09,0.068,0.508
1989,0.0538,1.48e-09,0.0676,0.514
1990,0.060899999999999996,1.49e-09,0.0682,0.534
1991,0.0637,1.5e-09,0.0725,0.544
1992,0.0643,1.5200000000000001e-09,0.0757,0.546
1993,0.0691,1.5299999999999999e-09,0.0782,0.55
1994,0.0713,1.54e-09,0.0813,0.551
1995,0.0732,1.55e-09,0.0834,0.553
1996,0.07859999999999999,1.57e-09,0.079,0.558
1997,0.052399999999999995,1.58e-09,0.07,0.57
1998,0.0275,1.59e-09,0.0752,0.585
1999,0.052,1.2800000000000001e-09,0.07479999999999999,0.59
2000,0.07890000000000001,1.72e-09,0.0762,0.61
2001,0.08109999999999999,1.59e-09,0.0825,0.609
2002,0.0853,1.77e-09,0.0868,0.603
2003,0.09179999999999999,1.9999999999999997e-09,0.0875,0.6
2004,0.09290000000000001,1.02e-09,0.0751,0.6
2005,0.09209999999999999,1.58e-09,0.0703,0.588
2006,0.0916,1.59e-09,0.0799,0.586
2007,0.09090000000000001,1.59e-09,0.0633,0.576
2008,0.0912,1.5999999999999999e-09,0.053700000000000005,0.573
2009,0.0906,1.5999999999999999e-09,0.047700000000000006,0.57
2010,0.0897,1.61e-09,0.053899999999999997,0.551
2011,0.0883,1.61e-09,0.0591,0.548
2012,0.0878,1.61e-09,0.059,0.569
2013,0.0886,1.62e-09,0.046299999999999994,0.579
2014,0.0883,1.62e-09,0.0405,0.585
2015,0.0885,1.6300000000000002e-09,0.0417,0.593
2016,0.0885,1.6300000000000002e-09,0.0427,0.618
2017,0.0915,1.6300000000000002e-09,0.041299999999999996,0.629
2018,0.101,1.64e-09,0.0399,0.632