year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00022600000000000002,2.6699999999999998e-08,0.00405,0.141
1851,0.00022700000000000002,2.9e-08,0.0040999999999999995,0.141
1852,0.000231,3.15e-08,0.00415,0.141
1853,0.000236,3.4400000000000004e-08,0.004200000000000001,0.141
1854,0.000244,3.76e-08,0.00425,0.141
1855,0.000255,4.1100000000000004e-08,0.0043,0.141
1856,0.00026700000000000004,4.49e-08,0.00435,0.142
1857,0.00028199999999999997,4.89e-08,0.00439,0.142
1858,0.000298,5.32e-08,0.00444,0.142
1859,0.000317,5.78e-08,0.00449,0.142
1860,0.000337,6.270000000000001e-08,0.00453,0.142
1861,0.000359,6.78e-08,0.00457,0.142
1862,0.000383,7.31e-08,0.00461,0.142
1863,0.00040899999999999997,7.87e-08,0.0046500000000000005,0.142
1864,0.000437,8.45e-08,0.004690000000000001,0.143
1865,0.00046600000000000005,9.050000000000001e-08,0.004719999999999999,0.143
1866,0.000497,9.679999999999999e-08,0.0047599999999999995,0.143
1867,0.0005290000000000001,1.03e-07,0.0048,0.143
1868,0.0005629999999999999,1.1e-07,0.00484,0.144
1869,0.000598,1.17e-07,0.00488,0.144
1870,0.000635,1.24e-07,0.0049299999999999995,0.144
1871,0.0006730000000000001,1.3100000000000002e-07,0.00498,0.144
1872,0.000712,1.38e-07,0.00504,0.145
1873,0.000753,1.46e-07,0.0050999999999999995,0.145
1874,0.000795,1.53e-07,0.0051600000000000005,0.145
1875,0.000837,1.61e-07,0.00523,0.146
1876,0.0008810000000000001,1.69e-07,0.0053,0.146
1877,0.0009260000000000001,1.7699999999999998e-07,0.00537,0.146
1878,0.000972,1.86e-07,0.00544,0.147
1879,0.00102,1.94e-07,0.00551,0.147
1880,0.00107,2.02e-07,0.00558,0.147
1881,0.0011200000000000001,2.11e-07,0.0056500000000000005,0.148
1882,0.00116,2.2e-07,0.005719999999999999,0.148
1883,0.00121,2.28e-07,0.0058,0.148
1884,0.00126,2.37e-07,0.00587,0.149
1885,0.00132,2.46e-07,0.00594,0.149
1886,0.0013700000000000001,2.55e-07,0.00601,0.15
1887,0.0014199999999999998,2.6400000000000003e-07,0.00609,0.15
1888,0.00147,2.73e-07,0.0061600000000000005,0.15
1889,0.0015300000000000001,2.82e-07,0.00623,0.151
1890,0.00172,4.3800000000000003e-07,0.00636,0.148
1891,0.002,4.7e-07,0.00646,0.151
1892,0.00228,5.079999999999999e-07,0.00656,0.154
1893,0.0025499999999999997,5.53e-07,0.00667,0.157
1894,0.00282,6.03e-07,0.00677,0.16
1895,0.0030800000000000003,6.59e-07,0.00688,0.163
1896,0.00333,7.19e-07,0.0069900000000000006,0.165
1897,0.0035800000000000003,7.839999999999999e-07,0.0070999999999999995,0.167
1898,0.00383,8.52e-07,0.00721,0.169
1899,0.004070000000000001,9.23e-07,0.00732,0.17
1900,0.0043,9.970000000000002e-07,0.00744,0.17
1901,0.00454,1.08e-06,0.007549999999999999,0.17
1902,0.00481,1.19e-06,0.00767,0.17
1903,0.00508,1.31e-06,0.00779,0.17
1904,0.00536,1.4400000000000002e-06,0.00791,0.17
1905,0.00562,1.57e-06,0.008029999999999999,0.17
1906,0.005860000000000001,1.6999999999999998e-06,0.00816,0.17
1907,0.00607,1.83e-06,0.00828,0.17
1908,0.00623,1.94e-06,0.00841,0.17
1909,0.00634,2.04e-06,0.008539999999999999,0.17
1910,0.00639,2.12e-06,0.00867,0.171
1911,0.00628,2.18e-06,0.00879,0.173
1912,0.00597,2.2300000000000002e-06,0.00891,0.178
1913,0.00551,2.27e-06,0.00903,0.187
1914,0.00495,2.31e-06,0.00915,0.197
1915,0.00433,2.35e-06,0.009269999999999999,0.209
1916,0.00372,2.38e-06,0.0094,0.221
1917,0.00315,2.4199999999999997e-06,0.00954,0.232
1918,0.00269,2.4599999999999997e-06,0.00968,0.242
1919,0.0023799999999999997,2.51e-06,0.00984,0.251
1920,0.00228,2.56e-06,0.01,0.256
1921,0.00244,2.62e-06,0.010199999999999999,0.26
1922,0.00287,2.68e-06,0.0104,0.263
1923,0.00354,2.74e-06,0.0106,0.267
1924,0.00441,2.81e-06,0.0109,0.27
1925,0.00546,2.8800000000000004e-06,0.0111,0.273
1926,0.0066500000000000005,2.95e-06,0.0114,0.275
1927,0.00795,3.04e-06,0.011699999999999999,0.277
1928,0.00933,3.1199999999999998e-06,0.0121,0.279
1929,0.0108,3.22e-06,0.0125,0.28
1930,0.012199999999999999,3.32e-06,0.013,0.28
1931,0.013900000000000001,3.44e-06,0.0136,0.279
1932,0.0162,3.59e-06,0.0146,0.277
1933,0.0188,3.76e-06,0.0158,0.273
1934,0.0217,3.95e-06,0.0172,0.269
1935,0.0248,4.139999999999999e-06,0.0188,0.264
1936,0.027899999999999998,4.34e-06,0.020300000000000002,0.259
1937,0.031,4.54e-06,0.0219,0.254
1938,0.0338,4.74e-06,0.0233,0.25
1939,0.0363,4.93e-06,0.0246,0.248
1940,0.0384,5.1e-06,0.0257,0.247
1941,0.040100000000000004,5.2500000000000006e-06,0.026600000000000002,0.248
1942,0.0415,5.39e-06,0.0273,0.249
1943,0.0428,5.52e-06,0.028,0.252
1944,0.0439,5.64e-06,0.0287,0.255
1945,0.0451,5.760000000000001e-06,0.0293,0.26
1946,0.046200000000000005,5.89e-06,0.0299,0.264
1947,0.0475,6.03e-06,0.030600000000000002,0.269
1948,0.049,6.2e-06,0.0313,0.275
1949,0.0507,6.38e-06,0.032100000000000004,0.28
1950,0.0528,6.6e-06,0.033,0.285
1951,0.0557,6.9e-06,0.0341,0.292
1952,0.0598,7.29e-06,0.0353,0.299
1953,0.0649,7.78e-06,0.0367,0.308
1954,0.0708,8.33e-06,0.0381,0.317
1955,0.0772,8.94e-06,0.039700000000000006,0.327
1956,0.0841,9.58e-06,0.041299999999999996,0.337
1957,0.0911,1.02e-05,0.0429,0.347
1958,0.09809999999999999,1.09e-05,0.0446,0.357
1959,0.105,1.1599999999999999e-05,0.046200000000000005,0.367
1960,0.111,1.22e-05,0.047700000000000006,0.375
1961,0.117,1.2800000000000001e-05,0.0492,0.367
1962,0.121,1.34e-05,0.0508,0.39
1963,0.125,1.4e-05,0.052399999999999995,0.41
1964,0.129,1.46e-05,0.053899999999999997,0.402
1965,0.133,1.52e-05,0.0555,0.408
1966,0.138,1.59e-05,0.0571,0.432
1967,0.144,1.65e-05,0.0587,0.449
1968,0.152,1.72e-05,0.060200000000000004,0.453
1969,0.162,1.7899999999999998e-05,0.061700000000000005,0.45
1970,0.174,1.77e-05,0.064,0.446
1971,0.174,1.73e-05,0.0675,0.466
1972,0.182,1.7899999999999998e-05,0.0699,0.479
1973,0.193,1.9900000000000003e-05,0.0721,0.487
1974,0.211,1.94e-05,0.0746,0.499
1975,0.23,2.02e-05,0.07709999999999999,0.51
1976,0.253,2.2e-05,0.07959999999999999,0.513
1977,0.271,2.22e-05,0.0824,0.513
1978,0.292,2.29e-05,0.085,0.524
1979,0.316,1.96e-05,0.0877,0.532
1980,0.336,2.24e-05,0.0901,0.54
1981,0.353,2.24e-05,0.0925,0.537
1982,0.375,2.23e-05,0.0952,0.541
1983,0.412,2.19e-05,0.09809999999999999,0.546
1984,0.444,2.18e-05,0.101,0.557
1985,0.48,2.16e-05,0.103,0.558
1986,0.508,2.16e-05,0.107,0.552
1987,0.534,2.17e-05,0.11,0.558
1988,0.578,2.17e-05,0.112,0.547
1989,0.594,2.11e-05,0.114,0.549
1990,0.622,2.02e-05,0.116,0.541
1991,0.614,1.7100000000000002e-05,0.119,0.53
1992,0.714,1.43e-05,0.12,0.411
1993,0.828,1.2699999999999999e-05,0.122,0.423
1994,0.929,8.710000000000001e-06,0.124,0.43
1995,0.961,1.03e-05,0.128,0.432
1996,0.987,1.48e-05,0.131,0.417
1997,0.955,1.61e-05,0.134,0.407
1998,0.985,1.7899999999999998e-05,0.136,0.404
1999,0.923,1.98e-05,0.139,0.41
2000,0.967,2.3199999999999998e-05,0.142,0.389
2001,1.04,2.46e-05,0.144,0.392
2002,1.13,2.95e-05,0.146,0.395
2003,1.08,3.2800000000000004e-05,0.149,0.4
2004,1.08,3.74e-05,0.152,0.44
2005,1.11,3.93e-05,0.155,0.461
2006,1.16,3.69e-05,0.159,0.488
2007,1.15,3.91e-05,0.162,0.511
2008,1.23,4.14e-05,0.165,0.536
2009,1.04,4.2999999999999995e-05,0.168,0.577
2010,1.04,4.5400000000000006e-05,0.173,0.616
2011,1.06,4.8e-05,0.176,0.647
2012,1.06,5.04e-05,0.179,0.693
2013,0.987,5.32e-05,0.181,0.714
2014,0.992,5.31e-05,0.183,0.746
2015,0.971,5.3e-05,0.186,0.774
2016,1.01,5.8099999999999996e-05,0.19,0.862
2017,1.0,6.02e-05,0.193,0.883
2018,0.992,6.23e-05,0.196,0.902