year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00065,4.4499999999999995e-08,0.00327,0.0362
1851,0.000653,4.82e-08,0.00331,0.0362
1852,0.0006630000000000001,5.25e-08,0.00335,0.0362
1853,0.00068,5.73e-08,0.0033900000000000002,0.0362
1854,0.000703,6.26e-08,0.0034300000000000003,0.0362
1855,0.000733,6.839999999999999e-08,0.00347,0.0362
1856,0.000768,7.47e-08,0.0035099999999999997,0.0362
1857,0.0008100000000000001,8.14e-08,0.0035499999999999998,0.0363
1858,0.000857,8.86e-08,0.00359,0.0363
1859,0.000911,9.63e-08,0.00362,0.0363
1860,0.000969,1.0399999999999999e-07,0.00366,0.0363
1861,0.00103,1.1299999999999999e-07,0.00369,0.0364
1862,0.0011,1.22e-07,0.00372,0.0364
1863,0.0011799999999999998,1.3100000000000002e-07,0.00375,0.0365
1864,0.00126,1.41e-07,0.00378,0.0365
1865,0.00134,1.5100000000000002e-07,0.00381,0.0366
1866,0.0014299999999999998,1.61e-07,0.0038399999999999997,0.0366
1867,0.00152,1.72e-07,0.00387,0.0367
1868,0.0016200000000000001,1.83e-07,0.00391,0.0367
1869,0.00172,1.94e-07,0.00394,0.0368
1870,0.00183,2.06e-07,0.00398,0.036899999999999995
1871,0.0019399999999999999,2.1800000000000002e-07,0.004019999999999999,0.036899999999999995
1872,0.0020499999999999997,2.3e-07,0.004070000000000001,0.037
1873,0.00217,2.43e-07,0.00412,0.0371
1874,0.00229,2.55e-07,0.00417,0.037200000000000004
1875,0.0024100000000000002,2.68e-07,0.00422,0.037200000000000004
1876,0.00254,2.82e-07,0.00428,0.0373
1877,0.00266,2.9500000000000003e-07,0.00434,0.037399999999999996
1878,0.0028,3.09e-07,0.0044,0.0375
1879,0.0029300000000000003,3.2299999999999997e-07,0.00445,0.0376
1880,0.00307,3.37e-07,0.00451,0.037700000000000004
1881,0.00321,3.51e-07,0.00456,0.0378
1882,0.00335,3.65e-07,0.00462,0.037899999999999996
1883,0.00349,3.8e-07,0.00468,0.038
1884,0.00364,3.9500000000000003e-07,0.00474,0.0381
1885,0.00379,4.09e-07,0.0048,0.038200000000000005
1886,0.00393,4.24e-07,0.004860000000000001,0.038299999999999994
1887,0.00408,4.39e-07,0.00491,0.0384
1888,0.00424,4.5399999999999996e-07,0.00497,0.0385
1889,0.00439,4.6900000000000003e-07,0.005030000000000001,0.0386
1890,0.0049900000000000005,7.29e-07,0.00514,0.0378
1891,0.00592,7.81e-07,0.00522,0.0386
1892,0.0068200000000000005,8.450000000000001e-07,0.0053,0.0395
1893,0.007719999999999999,9.2e-07,0.00538,0.0402
1894,0.00859,1e-06,0.00547,0.041
1895,0.009439999999999999,1.1e-06,0.00555,0.0416
1896,0.0103,1.2e-06,0.00564,0.0422
1897,0.0111,1.2999999999999998e-06,0.005730000000000001,0.0427
1898,0.0119,1.42e-06,0.0058200000000000005,0.0431
1899,0.0126,1.5399999999999999e-06,0.00591,0.0433
1900,0.0134,1.66e-06,0.006,0.0434
1901,0.014199999999999999,1.8e-06,0.0060999999999999995,0.0435
1902,0.015,1.98e-06,0.00619,0.0435
1903,0.0159,2.18e-06,0.0062900000000000005,0.0435
1904,0.016800000000000002,2.39e-06,0.00639,0.0435
1905,0.0176,2.61e-06,0.00649,0.0434
1906,0.0183,2.83e-06,0.0065899999999999995,0.0434
1907,0.019,3.04e-06,0.006690000000000001,0.0434
1908,0.0195,3.23e-06,0.00679,0.0434
1909,0.0198,3.3999999999999996e-06,0.006889999999999999,0.0435
1910,0.019899999999999998,3.52e-06,0.007,0.0435
1911,0.0195,3.62e-06,0.0070999999999999995,0.044
1912,0.0184,3.7e-06,0.0072,0.0455
1913,0.016800000000000002,3.78e-06,0.00729,0.0476
1914,0.0149,3.85e-06,0.00739,0.0503
1915,0.0128,3.910000000000001e-06,0.00749,0.053200000000000004
1916,0.0107,3.969999999999999e-06,0.0075899999999999995,0.0562
1917,0.00872,4.0299999999999995e-06,0.0077,0.0592
1918,0.0071200000000000005,4.1000000000000006e-06,0.00782,0.061799999999999994
1919,0.00604,4.17e-06,0.00795,0.0639
1920,0.00564,4.26e-06,0.00809,0.06520000000000001
1921,0.00609,4.36e-06,0.00824,0.06620000000000001
1922,0.00736,4.4600000000000005e-06,0.008400000000000001,0.06709999999999999
1923,0.009349999999999999,4.5599999999999995e-06,0.00858,0.0679
1924,0.012,4.669999999999999e-06,0.00877,0.0687
1925,0.015099999999999999,4.79e-06,0.00898,0.0694
1926,0.018699999999999998,4.9199999999999995e-06,0.00922,0.0701
1927,0.022600000000000002,5.05e-06,0.00948,0.0706
1928,0.026699999999999998,5.199999999999999e-06,0.00977,0.071
1929,0.031,5.36e-06,0.0101,0.0712
1930,0.0353,5.53e-06,0.0105,0.0713
1931,0.0405,5.73e-06,0.011,0.0711
1932,0.047200000000000006,5.98e-06,0.011800000000000001,0.0704
1933,0.055,6.26e-06,0.0128,0.0695
1934,0.0637,6.570000000000001e-06,0.013900000000000001,0.0683
1935,0.0728,6.89e-06,0.015099999999999999,0.067
1936,0.082,7.23e-06,0.016399999999999998,0.06570000000000001
1937,0.09090000000000001,7.56e-06,0.0177,0.0645
1938,0.0991,7.889999999999999e-06,0.0188,0.0636
1939,0.106,8.200000000000001e-06,0.019899999999999998,0.0629
1940,0.112,8.49e-06,0.0207,0.0627
1941,0.117,8.74e-06,0.0214,0.0628
1942,0.121,8.97e-06,0.0221,0.0633
1943,0.124,9.18e-06,0.022600000000000002,0.064
1944,0.127,9.38e-06,0.023100000000000002,0.0648
1945,0.13,9.59e-06,0.023600000000000003,0.0659
1946,0.132,9.8e-06,0.0241,0.06709999999999999
1947,0.136,1e-05,0.0247,0.0684
1948,0.14,1.03e-05,0.0253,0.0697
1949,0.144,1.06e-05,0.0259,0.0711
1950,0.15,1.1e-05,0.026600000000000002,0.0725
1951,0.158,1.15e-05,0.0275,0.0741
1952,0.171,1.21e-05,0.0285,0.076
1953,0.186,1.29e-05,0.0296,0.0782
1954,0.205,1.3899999999999999e-05,0.0308,0.08059999999999999
1955,0.225,1.49e-05,0.032,0.0831
1956,0.246,1.59e-05,0.033299999999999996,0.0857
1957,0.269,1.7e-05,0.0347,0.0883
1958,0.29,1.8100000000000003e-05,0.036,0.09090000000000001
1959,0.312,1.92e-05,0.0373,0.0933
1960,0.331,2.03e-05,0.0385,0.09559999999999999
1961,0.348,2.12e-05,0.039799999999999995,0.0923
1962,0.361,2.23e-05,0.041,0.09820000000000001
1963,0.373,2.33e-05,0.0423,0.103
1964,0.384,2.4299999999999998e-05,0.0435,0.1
1965,0.397,2.5399999999999997e-05,0.0448,0.101
1966,0.412,2.64e-05,0.0461,0.107
1967,0.431,2.75e-05,0.0474,0.11
1968,0.455,2.86e-05,0.048600000000000004,0.111
1969,0.486,2.98e-05,0.0498,0.11
1970,0.543,3.14e-05,0.0502,0.108
1971,0.56,3.14e-05,0.0521,0.112
1972,0.541,3.37e-05,0.053399999999999996,0.115
1973,0.636,3.71e-05,0.055,0.116
1974,0.698,3.71e-05,0.0562,0.119
1975,0.774,3.54e-05,0.0572,0.121
1976,0.857,3.95e-05,0.0583,0.122
1977,0.925,4.13e-05,0.0597,0.121
1978,0.993,4.34e-05,0.061,0.123
1979,0.593,4.05e-05,0.062299999999999994,0.125
1980,0.6,4.34e-05,0.0633,0.126
1981,0.603,4.6399999999999996e-05,0.0645,0.126
1982,0.607,4.66e-05,0.0655,0.126
1983,0.606,5.2499999999999995e-05,0.067,0.127
1984,0.61,4.85e-05,0.066,0.13
1985,0.649,4.46e-05,0.067,0.13
1986,0.596,4.24e-05,0.0688,0.13
1987,0.567,4.28e-05,0.0696,0.131
1988,1.06,6.819999999999999e-05,0.0712,0.127
1989,1.04,7.31e-05,0.0721,0.128
1990,0.743,5.2e-05,0.0732,0.127
1991,0.687,5.4800000000000004e-05,0.074,0.125
1992,0.503,3.01e-05,0.0728,0.106
1993,0.132,2.66e-05,0.0732,0.101
1994,0.125,1.02e-05,0.0737,0.095
1995,0.123,1.1599999999999999e-05,0.07440000000000001,0.09620000000000001
1996,0.117,1.41e-05,0.075,0.0988
1997,0.116,7.63e-06,0.0755,0.104
1998,0.125,8.710000000000001e-06,0.07590000000000001,0.109
1999,0.147,1.0500000000000001e-05,0.07640000000000001,0.113
2000,0.143,1.38e-05,0.077,0.117
2001,0.145,1.11e-05,0.07790000000000001,0.123
2002,0.137,1.87e-05,0.0787,0.127
2003,0.141,2.7799999999999998e-05,0.07970000000000001,0.132
2004,0.141,2.7799999999999998e-05,0.0805,0.136
2005,0.172,3.2800000000000004e-05,0.08170000000000001,0.14
2006,0.202,3.09e-05,0.08270000000000001,0.146
2007,0.272,2.16e-05,0.0837,0.149
2008,0.408,2.16e-05,0.085,0.152
2009,0.38,1.8200000000000002e-05,0.0865,0.155
2010,0.369,1.7999999999999997e-05,0.0878,0.158
2011,0.375,2.11e-05,0.0891,0.158
2012,0.386,1.7899999999999998e-05,0.09090000000000001,0.159
2013,0.406,2.58e-05,0.09190000000000001,0.161
2014,0.4,2.5600000000000002e-05,0.09409999999999999,0.161
2015,0.384,2.5399999999999997e-05,0.0947,0.163
2016,0.477,2.59e-05,0.09559999999999999,0.161
2017,0.5,2.63e-05,0.0968,0.16
2018,0.524,2.68e-05,0.09809999999999999,0.157