year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00147,0.00535,1.97e-07,1.9900000000000003e-05
1851,0.0015400000000000001,0.00564,2.0799999999999998e-07,2.1000000000000002e-05
1852,0.00163,0.00594,2.1900000000000002e-07,2.2100000000000002e-05
1853,0.00172,0.00626,2.3100000000000002e-07,2.33e-05
1854,0.00181,0.00661,2.43e-07,2.46e-05
1855,0.00191,0.00697,2.5700000000000004e-07,2.6e-05
1856,0.0020099999999999996,0.00735,2.71e-07,2.7400000000000002e-05
1857,0.00212,0.00775,2.8499999999999997e-07,2.88e-05
1858,0.0022299999999999998,0.00816,3.01e-07,3.04e-05
1859,0.00235,0.00858,3.1599999999999997e-07,3.2e-05
1860,0.0024700000000000004,0.00902,3.32e-07,3.36e-05
1861,0.00259,0.009470000000000001,3.49e-07,3.53e-05
1862,0.00272,0.009949999999999999,3.67e-07,3.7e-05
1863,0.0028599999999999997,0.0104,3.8499999999999997e-07,3.89e-05
1864,0.003,0.011,4.04e-07,4.08e-05
1865,0.00315,0.0115,4.24e-07,4.29e-05
1866,0.00331,0.0121,4.45e-07,4.4999999999999996e-05
1867,0.00347,0.0127,4.6700000000000004e-07,4.72e-05
1868,0.00364,0.013300000000000001,4.9e-07,4.9500000000000004e-05
1869,0.00381,0.013900000000000001,5.13e-07,5.19e-05
1870,0.004,0.0146,5.38e-07,5.4399999999999994e-05
1871,0.00419,0.015300000000000001,5.64e-07,5.7e-05
1872,0.0044,0.0161,5.92e-07,5.98e-05
1873,0.00462,0.0169,6.210000000000001e-07,6.28e-05
1874,0.004849999999999999,0.0177,6.520000000000001e-07,6.59e-05
1875,0.00509,0.018600000000000002,6.85e-07,6.92e-05
1876,0.00534,0.0195,7.179999999999999e-07,7.26e-05
1877,0.0056,0.020399999999999998,7.53e-07,7.61e-05
1878,0.005860000000000001,0.0214,7.88e-07,7.97e-05
1879,0.00613,0.0224,8.25e-07,8.33e-05
1880,0.0064,0.023399999999999997,8.620000000000001e-07,8.71e-05
1881,0.006679999999999999,0.024399999999999998,8.99e-07,9.09e-05
1882,0.00697,0.0255,9.380000000000001e-07,9.48e-05
1883,0.0072699999999999996,0.026600000000000002,9.78e-07,9.89e-05
1884,0.00758,0.0277,1.02e-06,0.000103
1885,0.00789,0.0288,1.06e-06,0.000107
1886,0.00822,0.03,1.1100000000000002e-06,0.000112
1887,0.00856,0.0313,1.15e-06,0.000116
1888,0.00891,0.032600000000000004,1.2e-06,0.000121
1889,0.00928,0.0339,1.25e-06,0.000126
1890,0.010199999999999999,0.0335,1.37e-06,0.00013900000000000002
1891,0.0106,0.0335,1.42e-06,0.00014399999999999998
1892,0.011,0.0335,1.48e-06,0.000149
1893,0.0114,0.0335,1.5399999999999999e-06,0.000155
1894,0.0119,0.0335,1.6000000000000001e-06,0.000162
1895,0.0125,0.033600000000000005,1.67e-06,0.00016900000000000002
1896,0.013,0.033600000000000005,1.74e-06,0.000176
1897,0.0136,0.033600000000000005,1.81e-06,0.000183
1898,0.0143,0.0337,1.89e-06,0.000191
1899,0.0149,0.0337,1.9699999999999998e-06,0.000199
1900,0.0156,0.0338,2.0500000000000003e-06,0.000207
1901,0.016399999999999998,0.0338,2.14e-06,0.000217
1902,0.0173,0.0339,2.2499999999999996e-06,0.00022700000000000002
1903,0.0184,0.0339,2.3600000000000003e-06,0.00023899999999999998
1904,0.019600000000000003,0.034,2.48e-06,0.000251
1905,0.0209,0.0341,2.5999999999999997e-06,0.000263
1906,0.0221,0.0342,2.7299999999999997e-06,0.000275
1907,0.0232,0.0342,2.84e-06,0.000287
1908,0.0242,0.0343,2.95e-06,0.000298
1909,0.025,0.0344,3.04e-06,0.000307
1910,0.0257,0.0345,3.1199999999999998e-06,0.000315
1911,0.0261,0.0346,3.18e-06,0.000321
1912,0.0264,0.0347,3.23e-06,0.00032700000000000003
1913,0.026600000000000002,0.0348,3.28e-06,0.000331
1914,0.0268,0.035,3.32e-06,0.00033600000000000004
1915,0.0269,0.0351,3.36e-06,0.00034
1916,0.027,0.0352,3.3999999999999996e-06,0.00034399999999999996
1917,0.0272,0.0354,3.44e-06,0.000348
1918,0.027399999999999997,0.0355,3.49e-06,0.00035299999999999996
1919,0.0277,0.0357,3.54e-06,0.000358
1920,0.0281,0.0359,3.6099999999999997e-06,0.000364
1921,0.0288,0.0361,3.68e-06,0.000372
1922,0.0298,0.0363,3.77e-06,0.000381
1923,0.031,0.0365,3.88e-06,0.00039200000000000004
1924,0.0324,0.0368,3.99e-06,0.00040300000000000004
1925,0.0339,0.037,4.11e-06,0.000415
1926,0.0354,0.0373,4.23e-06,0.000428
1927,0.0368,0.0376,4.36e-06,0.00044
1928,0.038200000000000005,0.037899999999999996,4.4799999999999995e-06,0.00045200000000000004
1929,0.0394,0.038299999999999994,4.59e-06,0.000464
1930,0.040299999999999996,0.0386,4.7e-06,0.000475
1931,0.041100000000000005,0.039,4.79e-06,0.000484
1932,0.0417,0.0394,4.87e-06,0.000492
1933,0.0134,0.037700000000000004,1e-06,0.000101
1934,0.0134,0.0381,1e-06,0.000101
1935,0.0245,0.0385,2.5e-06,0.000253
1936,0.131,0.0427,1.7e-05,0.00172
1937,0.296,0.0469,3.96e-05,0.004
1938,0.355,0.040299999999999996,4.7600000000000005e-05,0.00481
1939,0.439,0.041,5.91e-05,0.00597
1940,0.699,0.0419,9.460000000000001e-05,0.00956
1941,0.626,0.0503,8.46e-05,0.00855
1942,0.75,0.044700000000000004,0.000102,0.0103
1943,0.468,0.046799999999999994,6.31e-05,0.00638
1944,0.16,0.0494,2.1000000000000002e-05,0.00213
1945,0.127,0.052399999999999995,1.65e-05,0.0016699999999999998
1946,0.49,0.055799999999999995,6.610000000000001e-05,0.006679999999999999
1947,0.933,0.0597,0.000127,0.0128
1948,0.71,0.0639,9.61e-05,0.009710000000000002
1949,1.02,0.0685,0.00013900000000000002,0.014
1950,0.299,0.0808,4.01e-05,0.00405
1951,0.402,0.0873,5.41e-05,0.00546
1952,0.376,0.0965,5.06e-05,0.00511
1953,0.414,0.108,5.5599999999999996e-05,0.00562
1954,0.503,0.121,6.759999999999999e-05,0.00683
1955,0.65,0.15,8.76e-05,0.00885
1956,0.816,0.176,0.00011,0.0111
1957,1.48,0.196,0.000201,0.020300000000000002
1958,1.17,0.216,0.00015900000000000002,0.016
1959,1.42,0.229,0.000192,0.019399999999999997
1960,2.0,0.244,0.00027100000000000003,0.027399999999999997
1961,2.24,0.281,0.000304,0.030699999999999998
1962,2.42,0.297,0.000328,0.0332
1963,2.03,0.32,0.000275,0.027800000000000002
1964,1.97,0.332,0.00026700000000000004,0.027
1965,2.12,0.36,0.000287,0.029
1966,2.49,0.373,0.00033800000000000003,0.0342
1967,2.59,0.431,0.00035099999999999997,0.0355
1968,2.94,0.49,0.000399,0.040299999999999996
1969,3.1,0.525,0.000421,0.0425
1970,3.57,0.527,0.000465,0.0424
1971,4.19,0.504,0.000491,0.048
1972,5.47,0.538,0.000528,0.0503
1973,5.06,0.64,0.000571,0.0569
1974,4.09,0.668,0.0005899999999999999,0.057
1975,4.3,0.607,0.000627,0.0562
1976,4.63,0.641,0.0006680000000000001,0.0636
1977,5.38,0.662,0.0007099999999999999,0.06709999999999999
1978,6.12,0.744,0.000755,0.0832
1979,7.2,0.8,0.000799,0.0819
1980,4.7,0.872,0.00083,0.08009999999999999
1981,6.98,0.763,0.000878,0.0836
1982,6.92,0.725,0.000919,0.0823
1983,7.24,0.672,0.000955,0.0845
1984,7.43,0.726,0.000985,0.0865
1985,7.49,0.733,0.00103,0.0865
1986,7.67,0.757,0.00109,0.0874
1987,7.05,0.768,0.00113,0.0792
1988,6.99,0.713,0.00117,0.0835
1989,8.77,0.765,0.00125,0.09409999999999999
1990,5.31,0.746,0.00124,0.0805
1991,4.1,0.611,0.00114,0.047299999999999995
1992,2.43,0.233,0.00113,0.0232
1993,2.26,0.249,0.0012,0.013
1994,1.96,0.201,0.00126,0.0157
1995,1.99,0.261,0.00133,0.0143
1996,1.97,0.248,0.00141,0.0074800000000000005
1997,1.55,0.183,0.00139,0.005059999999999999
1998,1.77,0.171,0.00149,0.018699999999999998
1999,2.99,0.197,0.00158,0.00587
2000,3.0,0.213,0.0016699999999999998,0.00807
2001,3.28,0.282,0.00176,0.0109
2002,3.81,0.36,0.00183,0.0252
2003,4.07,0.451,0.0019199999999999998,0.019100000000000002
2004,3.94,0.446,0.00202,0.0292
2005,4.08,0.406,0.00212,0.019
2006,3.71,0.4,0.00218,0.0215
2007,3.55,0.565,0.00225,0.0207
2008,3.98,0.595,0.00232,0.0172
2009,3.89,0.667,0.00239,0.0223
2010,4.02,0.789,0.00246,0.0201
2011,4.41,1.05,0.0025299999999999997,0.0213
2012,3.88,1.24,0.0026,0.0253
2013,3.99,1.29,0.0026,0.0123
2014,4.69,1.25,0.0026,0.022600000000000002
2015,4.08,1.4,0.0026,0.031100000000000003
2016,4.27,1.4,0.00263,0.0317
2017,4.4,1.4,0.00266,0.032100000000000004
2018,4.43,1.4,0.00268,0.032600000000000004