year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0215,0.06559999999999999,4.45e-05,3.13e-05
1851,0.022699999999999998,0.0691,4.6899999999999995e-05,3.29e-05
1852,0.023899999999999998,0.0728,4.94e-05,3.47e-05
1853,0.0252,0.0768,5.21e-05,3.66e-05
1854,0.026600000000000002,0.081,5.49e-05,3.86e-05
1855,0.0281,0.0855,5.8e-05,4.07e-05
1856,0.0296,0.0901,6.110000000000001e-05,4.29e-05
1857,0.0312,0.095,6.44e-05,4.53e-05
1858,0.032799999999999996,0.1,6.78e-05,4.77e-05
1859,0.0345,0.105,7.14e-05,5.01e-05
1860,0.0363,0.111,7.5e-05,5.2699999999999993e-05
1861,0.0381,0.116,7.879999999999999e-05,5.53e-05
1862,0.04,0.122,8.269999999999999e-05,5.8099999999999996e-05
1863,0.042,0.128,8.690000000000001e-05,6.1e-05
1864,0.0441,0.134,9.120000000000001e-05,6.41e-05
1865,0.046299999999999994,0.141,9.57e-05,6.72e-05
1866,0.048600000000000004,0.148,0.0001,7.06e-05
1867,0.051,0.155,0.00010499999999999999,7.4e-05
1868,0.0535,0.163,0.00011,7.76e-05
1869,0.056100000000000004,0.171,0.000116,8.14e-05
1870,0.0588,0.179,0.000121,8.53e-05
1871,0.0616,0.188,0.000127,8.939999999999999e-05
1872,0.06470000000000001,0.197,0.000134,9.389999999999999e-05
1873,0.0679,0.207,0.00014000000000000001,9.850000000000001e-05
1874,0.0713,0.217,0.000147,0.000103
1875,0.07479999999999999,0.228,0.000155,0.00010899999999999999
1876,0.0785,0.239,0.000162,0.000114
1877,0.0823,0.251,0.00017,0.00011899999999999999
1878,0.0861,0.262,0.000178,0.000125
1879,0.0901,0.275,0.000186,0.000131
1880,0.09409999999999999,0.287,0.000194,0.00013700000000000002
1881,0.0983,0.299,0.000203,0.00014299999999999998
1882,0.103,0.312,0.000212,0.000149
1883,0.107,0.326,0.000221,0.000155
1884,0.111,0.339,0.00023,0.000162
1885,0.116,0.353,0.00023999999999999998,0.00016800000000000002
1886,0.121,0.368,0.00025,0.000175
1887,0.126,0.383,0.00026000000000000003,0.000183
1888,0.131,0.399,0.00027100000000000003,0.00019
1889,0.136,0.416,0.00028199999999999997,0.00019800000000000002
1890,0.388,0.409,0.000805,0.000566
1891,0.408,0.409,0.000847,0.0005949999999999999
1892,0.454,0.409,0.0009419999999999999,0.000662
1893,0.417,0.409,0.000865,0.000607
1894,0.424,0.409,0.000876,0.000616
1895,0.39,0.409,0.000805,0.000566
1896,0.457,0.409,0.0009419999999999999,0.000662
1897,0.545,0.409,0.0011200000000000001,0.0007880000000000001
1898,0.583,0.409,0.0012,0.000842
1899,0.6,0.409,0.00123,0.0008629999999999999
1900,0.793,0.409,0.00163,0.00114
1901,1.04,0.409,0.00213,0.0015
1902,1.14,0.409,0.00232,0.00163
1903,1.25,0.409,0.0025299999999999997,0.0017800000000000001
1904,1.39,0.41,0.0028,0.00196
1905,1.4,0.41,0.00278,0.00195
1906,1.59,0.41,0.00312,0.00219
1907,1.89,0.41,0.00368,0.00259
1908,3.09,0.41,0.00614,0.00431
1909,3.07,0.41,0.00601,0.00422
1910,3.47,0.41,0.0067599999999999995,0.00475
1911,7.05,0.41,0.013699999999999999,0.009609999999999999
1912,7.87,0.41,0.0141,0.009869999999999999
1913,11.2,0.41,0.019100000000000002,0.0134
1914,11.1,0.41,0.0165,0.0116
1915,15.5,0.41,0.0233,0.016399999999999998
1916,19.0,0.41,0.028,0.019600000000000003
1917,27.1,0.41,0.0425,0.0299
1918,31.5,0.41,0.0499,0.035
1919,40.2,0.41,0.0669,0.047
1920,67.9,0.41,0.124,0.0872
1921,78.9,0.423,0.147,0.103
1922,75.2,0.46,0.139,0.0978
1923,64.6,0.517,0.117,0.0824
1924,61.3,0.592,0.11,0.07759999999999999
1925,52.8,0.681,0.09290000000000001,0.0653
1926,43.1,0.782,0.0727,0.0511
1927,33.0,1.03,0.0517,0.0364
1928,26.8,1.14,0.039,0.027399999999999997
1929,25.3,1.26,0.0359,0.0252
1930,24.0,1.38,0.0332,0.0233
1931,21.2,1.5,0.0273,0.0192
1932,20.9,1.63,0.0264,0.0185
1933,21.5,1.78,0.0272,0.019100000000000002
1934,23.4,1.93,0.030699999999999998,0.0216
1935,25.6,2.1,0.0347,0.024399999999999998
1936,26.4,2.31,0.0355,0.0249
1937,29.1,2.54,0.0402,0.028300000000000002
1938,29.0,2.77,0.039200000000000006,0.0275
1939,28.3,3.02,0.0365,0.0257
1940,29.2,3.31,0.037399999999999996,0.0263
1941,29.3,3.61,0.0363,0.0255
1942,27.3,3.96,0.0304,0.0214
1943,28.4,4.31,0.030600000000000002,0.0215
1944,30.4,4.71,0.032299999999999995,0.022699999999999998
1945,33.7,5.22,0.0362,0.0254
1946,37.5,5.67,0.041100000000000005,0.0289
1947,41.8,6.32,0.047,0.033
1948,44.3,6.88,0.048799999999999996,0.0343
1949,45.4,7.51,0.0461,0.0324
1950,44.5,8.25,0.0441,0.031
1951,53.9,8.9,0.0495,0.0348
1952,56.8,9.56,0.0531,0.0373
1953,56.3,10.3,0.052399999999999995,0.0368
1954,56.9,11.0,0.0515,0.0362
1955,66.0,12.0,0.0551,0.038700000000000005
1956,66.9,13.0,0.0593,0.0417
1957,81.5,14.1,0.0683,0.048
1958,93.1,15.0,0.07379999999999999,0.0519
1959,105.0,16.1,0.0783,0.055
1960,108.0,17.4,0.086,0.060399999999999995
1961,102.0,18.4,0.09209999999999999,0.06470000000000001
1962,85.6,19.8,0.09409999999999999,0.06609999999999999
1963,97.1,21.3,0.0952,0.0669
1964,115.0,23.1,0.104,0.0733
1965,105.0,24.4,0.109,0.0768
1966,114.0,26.3,0.117,0.082
1967,117.0,28.4,0.133,0.09309999999999999
1968,120.0,30.5,0.138,0.09720000000000001
1969,128.0,32.9,0.151,0.106
1970,156.0,30.0,0.165,0.148
1971,167.0,28.1,0.169,0.159
1972,161.0,30.3,0.18,0.185
1973,163.0,28.8,0.192,0.192
1974,185.0,28.3,0.205,0.217
1975,193.0,29.2,0.217,0.267
1976,214.0,28.3,0.23,0.324
1977,195.0,25.9,0.244,0.323
1978,238.0,28.0,0.257,0.317
1979,239.0,29.7,0.271,0.393
1980,268.0,27.9,0.286,0.385
1981,290.0,29.2,0.3,0.496
1982,337.0,27.5,0.314,0.504
1983,284.0,24.3,0.329,0.457
1984,259.0,26.0,0.345,0.515
1985,261.0,27.1,0.359,0.54
1986,253.0,25.4,0.375,0.502
1987,264.0,28.0,0.392,0.5
1988,254.0,29.1,0.41,0.461
1989,293.0,28.5,0.426,0.46
1990,290.0,30.3,0.463,0.467
1991,300.0,29.0,0.475,0.361
1992,302.0,30.3,0.487,0.447
1993,305.0,30.1,0.5,0.414
1994,323.0,32.9,0.513,0.434
1995,316.0,31.5,0.526,0.344
1996,342.0,33.6,0.532,0.346
1997,371.0,34.6,0.537,0.358
1998,395.0,35.4,0.542,0.451
1999,376.0,35.4,0.548,0.476
2000,379.0,35.2,0.553,0.475
2001,371.0,31.8,0.54,0.479
2002,386.0,32.1,0.533,0.447
2003,383.0,33.8,0.665,0.477
2004,385.0,35.7,0.648,0.485
2005,397.0,36.4,0.63,0.485
2006,419.0,37.5,0.627,0.433
2007,456.0,39.6,0.62,0.56
2008,533.0,39.9,0.994,0.466
2009,496.0,36.3,1.02,0.468
2010,468.0,38.7,1.02,0.534
2011,460.0,40.2,0.962,0.54
2012,445.0,40.9,0.903,0.55
2013,453.0,40.2,0.849,0.518
2014,458.0,41.4,0.8,0.551
2015,455.0,40.4,0.73,0.447
2016,471.0,40.6,0.821,0.45
2017,475.0,40.9,0.923,0.438
2018,466.0,45.0,1.04,0.426