year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000528,0.0025099999999999996,4.5500000000000004e-08,8.13e-07
1851,0.0005560000000000001,0.00264,4.79e-08,8.55e-07
1852,0.0005859999999999999,0.00279,5.04e-08,9.02e-07
1853,0.000618,0.00294,5.32e-08,9.51e-07
1854,0.000652,0.0031,5.61e-08,1e-06
1855,0.0006879999999999999,0.00327,5.92e-08,1.06e-06
1856,0.000725,0.0034500000000000004,6.24e-08,1.1199999999999999e-06
1857,0.000764,0.00364,6.58e-08,1.1800000000000001e-06
1858,0.000805,0.00383,6.93e-08,1.24e-06
1859,0.000847,0.004030000000000001,7.29e-08,1.2999999999999998e-06
1860,0.0008900000000000001,0.00423,7.660000000000001e-08,1.37e-06
1861,0.000934,0.00445,8.05e-08,1.4400000000000002e-06
1862,0.0009809999999999999,0.00467,8.45e-08,1.5100000000000002e-06
1863,0.00103,0.004900000000000001,8.870000000000001e-08,1.59e-06
1864,0.00108,0.00515,9.309999999999999e-08,1.66e-06
1865,0.00114,0.0054,9.78e-08,1.75e-06
1866,0.0011899999999999999,0.00567,1.03e-07,1.83e-06
1867,0.00125,0.00595,1.08e-07,1.9200000000000003e-06
1868,0.00131,0.00624,1.1299999999999999e-07,2.02e-06
1869,0.0013700000000000001,0.00654,1.18e-07,2.1099999999999997e-06
1870,0.0014399999999999999,0.006849999999999999,1.24e-07,2.2200000000000003e-06
1871,0.00151,0.00719,1.3e-07,2.32e-06
1872,0.00158,0.00754,1.36e-07,2.44e-06
1873,0.00166,0.00792,1.43e-07,2.56e-06
1874,0.00175,0.00831,1.5e-07,2.69e-06
1875,0.00183,0.00872,1.5799999999999999e-07,2.82e-06
1876,0.0019199999999999998,0.00915,1.66e-07,2.96e-06
1877,0.00202,0.00959,1.74e-07,3.1e-06
1878,0.00211,0.01,1.8200000000000002e-07,3.25e-06
1879,0.00221,0.0105,1.9e-07,3.3999999999999996e-06
1880,0.00231,0.011,1.9900000000000002e-07,3.5500000000000003e-06
1881,0.0024100000000000002,0.0115,2.07e-07,3.71e-06
1882,0.0025099999999999996,0.012,2.16e-07,3.87e-06
1883,0.00262,0.0125,2.2599999999999999e-07,4.0299999999999995e-06
1884,0.00273,0.013,2.35e-07,4.2e-06
1885,0.0028399999999999996,0.0135,2.45e-07,4.38e-06
1886,0.00296,0.0141,2.55e-07,4.5599999999999995e-06
1887,0.0030800000000000003,0.0147,2.66e-07,4.75e-06
1888,0.00321,0.015300000000000001,2.76e-07,4.94e-06
1889,0.0033399999999999997,0.0159,2.88e-07,5.15e-06
1890,0.0035,0.0157,3.15e-07,5.6299999999999995e-06
1891,0.00373,0.0157,3.27e-07,5.85e-06
1892,0.0042699999999999995,0.0157,3.41e-07,6.1e-06
1893,0.0050999999999999995,0.0157,3.5599999999999996e-07,6.37e-06
1894,0.00621,0.0157,3.73e-07,6.66e-06
1895,0.0076100000000000004,0.0157,3.8999999999999997e-07,6.969999999999999e-06
1896,0.009269999999999999,0.0157,4.09e-07,7.3e-06
1897,0.0112,0.0157,4.28e-07,7.65e-06
1898,0.0134,0.0157,4.48e-07,8.02e-06
1899,0.0158,0.0157,4.7e-07,8.39e-06
1900,0.0184,0.0157,4.91e-07,8.779999999999999e-06
1901,0.0235,0.0157,5.15e-07,9.21e-06
1902,0.033299999999999996,0.0157,5.41e-07,9.679999999999999e-06
1903,0.0479,0.0157,5.699999999999999e-07,1.02e-05
1904,0.06709999999999999,0.0157,5.53e-07,9.89e-06
1905,0.0912,0.0157,5.53e-07,9.89e-06
1906,0.12,0.0157,5.53e-07,9.89e-06
1907,0.155,0.0157,5.53e-07,9.89e-06
1908,0.194,0.0157,5.53e-07,9.89e-06
1909,0.239,0.0157,6.22e-07,1.11e-05
1910,0.29,0.0157,8.26e-07,1.48e-05
1911,0.628,0.0157,1.16e-06,2.0799999999999997e-05
1912,1.45,0.0157,1.62e-06,2.9e-05
1913,2.64,0.0157,2.21e-06,3.96e-05
1914,4.07,0.0157,4.98e-06,8.9e-05
1915,5.63,0.0157,7.75e-06,0.00013800000000000002
1916,7.19,0.0157,1.22e-05,0.00021799999999999999
1917,8.6,0.0157,1.22e-05,0.00021799999999999999
1918,9.89,0.0157,3.26e-05,0.000584
1919,10.7,0.0157,3.2099999999999994e-05,0.000574
1920,10.9,0.0157,2.2100000000000002e-05,0.00039600000000000003
1921,10.9,0.0162,2.4299999999999998e-05,0.000435
1922,10.9,0.0176,3.1e-05,0.000554
1923,11.1,0.0198,6.86e-05,0.00123
1924,11.0,0.022699999999999998,5.8099999999999996e-05,0.0010400000000000001
1925,11.2,0.0261,0.000101,0.00181
1926,11.5,0.0299,0.000162,0.00289
1927,11.4,0.0341,0.000153,0.0027400000000000002
1928,12.3,0.0384,0.000287,0.00513
1929,12.3,0.0428,0.000294,0.00526
1930,10.3,0.047200000000000006,3.87e-06,6.92e-05
1931,10.4,0.0517,5.53e-07,9.89e-06
1932,14.3,0.056600000000000004,0.000575,0.0103
1933,13.6,0.0621,0.000426,0.00762
1934,16.4,0.068,0.000789,0.0141
1935,17.5,0.0853,0.0009040000000000001,0.0162
1936,15.2,0.0995,0.000475,0.0085
1937,21.9,0.111,0.0014199999999999998,0.0253
1938,19.2,0.115,0.000921,0.0165
1939,20.7,0.149,0.0010500000000000002,0.0188
1940,26.7,0.158,0.00186,0.0332
1941,30.2,0.183,0.00227,0.0405
1942,27.8,0.199,0.00174,0.031
1943,27.9,0.205,0.00155,0.0277
1944,34.2,0.224,0.00228,0.0407
1945,36.6,0.24,0.00237,0.0424
1946,103.0,0.261,0.0121,0.216
1947,45.1,0.29,0.0030800000000000003,0.0551
1948,52.2,0.343,0.0038399999999999997,0.0687
1949,56.9,0.399,0.00431,0.07709999999999999
1950,38.1,0.526,0.0015400000000000001,0.027600000000000003
1951,47.1,0.606,0.0020499999999999997,0.0367
1952,50.4,0.74,0.0022,0.039299999999999995
1953,47.4,0.839,0.00222,0.039799999999999995
1954,50.7,0.98,0.0024,0.0428
1955,59.2,1.04,0.0034300000000000003,0.0613
1956,64.4,1.16,0.00357,0.0638
1957,68.8,1.34,0.0038399999999999997,0.0685
1958,53.7,1.31,0.00228,0.040799999999999996
1959,64.3,1.48,0.00431,0.077
1960,56.3,1.32,0.0037,0.06609999999999999
1961,51.2,1.38,0.00329,0.0588
1962,53.3,1.44,0.00289,0.0516
1963,55.4,1.51,0.00379,0.0678
1964,55.7,1.69,0.00369,0.066
1965,59.7,1.87,0.00417,0.0745
1966,56.0,1.93,0.0038399999999999997,0.0686
1967,64.7,2.06,0.00443,0.0792
1968,64.4,2.23,0.00463,0.0828
1969,67.9,2.15,0.00507,0.0905
1970,73.3,2.43,0.00491,0.0559
1971,61.2,2.45,0.00491,0.07379999999999999
1972,61.1,2.65,0.00511,0.0798
1973,64.8,2.98,0.00531,0.0857
1974,73.4,3.15,0.00552,0.071
1975,62.1,3.04,0.005730000000000001,0.104
1976,55.6,3.7,0.00594,0.103
1977,62.2,3.62,0.00617,0.127
1978,67.0,3.73,0.0064,0.148
1979,74.6,4.14,0.00663,0.134
1980,88.4,4.99,0.00687,0.118
1981,89.5,5.01,0.00711,0.0752
1982,90.7,5.04,0.00736,0.0713
1983,90.9,4.49,0.0076,0.0793
1984,90.8,5.11,0.00785,0.106
1985,98.6,5.67,0.00811,0.142
1986,107.0,5.96,0.008369999999999999,0.174
1987,108.0,6.24,0.00864,0.201
1988,113.0,6.47,0.008919999999999999,0.186
1989,107.0,6.08,0.00919,0.159
1990,120.0,6.55,0.009470000000000001,0.152
1991,112.0,6.77,0.00973,0.154
1992,103.0,6.76,0.01,0.132
1993,121.0,7.24,0.0103,0.132
1994,127.0,7.65,0.0105,0.136
1995,130.0,8.8,0.0108,0.171
1996,119.0,8.76,0.0111,0.186
1997,130.0,9.16,0.011300000000000001,0.183
1998,163.0,8.98,0.0116,0.17
1999,169.0,9.16,0.0119,0.111
2000,148.0,9.16,0.0127,0.15
2001,168.0,10.1,0.0129,0.154
2002,190.0,9.36,0.0132,0.198
2003,188.0,9.93,0.0134,0.193
2004,149.0,9.52,0.013699999999999999,0.206
2005,162.0,9.72,0.013900000000000001,0.227
2006,164.0,12.5,0.0141,0.204
2007,157.0,11.3,0.0144,0.225
2008,175.0,11.4,0.0146,0.215
2009,176.0,11.2,0.0149,0.221
2010,186.0,10.4,0.015099999999999999,0.225
2011,173.0,11.0,0.015300000000000001,0.257
2012,195.0,11.0,0.0155,0.259
2013,180.0,11.1,0.0158,0.244
2014,181.0,10.6,0.016,0.259
2015,174.0,10.5,0.0162,0.247
2016,162.0,9.85,0.016399999999999998,0.238
2017,147.0,9.95,0.0167,0.239
2018,131.0,9.88,0.0169,0.239