year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00263,0.0,0.00411,0.0015300000000000001
1851,0.00267,1.1199999999999999e-06,0.00413,0.00159
1852,0.0027,2.2200000000000003e-06,0.00414,0.00164
1853,0.00273,3.32e-06,0.0041600000000000005,0.0016899999999999999
1854,0.00276,4.41e-06,0.00417,0.00174
1855,0.00279,5.48e-06,0.00419,0.0017900000000000001
1856,0.00283,6.54e-06,0.00421,0.00184
1857,0.0028599999999999997,7.6e-06,0.00423,0.00188
1858,0.00289,8.64e-06,0.00425,0.0019299999999999999
1859,0.0029300000000000003,9.679999999999999e-06,0.0042699999999999995,0.00198
1860,0.00296,1.07e-05,0.00429,0.0020299999999999997
1861,0.003,1.17e-05,0.00432,0.00207
1862,0.0030299999999999997,1.2699999999999999e-05,0.00434,0.00212
1863,0.00307,1.3700000000000001e-05,0.00436,0.00217
1864,0.0031,1.47e-05,0.00439,0.00221
1865,0.00314,1.57e-05,0.00442,0.00226
1866,0.00317,1.66e-05,0.00444,0.0023
1867,0.00321,1.76e-05,0.00447,0.00235
1868,0.00325,1.85e-05,0.0045,0.00239
1869,0.00328,1.95e-05,0.00453,0.0024300000000000003
1870,0.00332,2.04e-05,0.00456,0.00248
1871,0.0033599999999999997,2.13e-05,0.0046,0.00252
1872,0.0033900000000000002,2.22e-05,0.00463,0.00256
1873,0.0034300000000000003,2.3199999999999998e-05,0.00467,0.0026
1874,0.00347,2.41e-05,0.00471,0.00265
1875,0.0035099999999999997,2.49e-05,0.00475,0.00269
1876,0.0035499999999999998,2.58e-05,0.00479,0.00273
1877,0.0035800000000000003,2.6700000000000002e-05,0.00483,0.00277
1878,0.00362,2.76e-05,0.00487,0.00281
1879,0.00366,2.8400000000000003e-05,0.00491,0.00285
1880,0.0037,2.93e-05,0.00495,0.00289
1881,0.0037400000000000003,3.01e-05,0.0049900000000000005,0.0029300000000000003
1882,0.00378,3.09e-05,0.005030000000000001,0.00297
1883,0.00382,3.18e-05,0.00507,0.0030099999999999997
1884,0.0038599999999999997,3.26e-05,0.00511,0.0030499999999999998
1885,0.0039,3.34e-05,0.00515,0.00309
1886,0.00394,3.4200000000000005e-05,0.0052,0.00313
1887,0.00398,3.5000000000000004e-05,0.00524,0.00317
1888,0.004019999999999999,3.5799999999999996e-05,0.00528,0.00321
1889,0.004059999999999999,3.66e-05,0.00532,0.00325
1890,0.00595,5.72e-05,0.00545,0.00328
1891,0.006900000000000001,6.13e-05,0.00545,0.00329
1892,0.00788,6.63e-05,0.00546,0.00329
1893,0.0089,7.209999999999999e-05,0.0054800000000000005,0.0033
1894,0.00994,7.87e-05,0.00551,0.0033
1895,0.011,8.599999999999999e-05,0.00553,0.00331
1896,0.0121,9.379999999999999e-05,0.00557,0.00332
1897,0.0132,0.000102,0.00561,0.00333
1898,0.0144,0.000111,0.0056500000000000005,0.00335
1899,0.0156,0.00011999999999999999,0.005690000000000001,0.0033599999999999997
1900,0.016800000000000002,0.00013000000000000002,0.005730000000000001,0.00337
1901,0.0181,0.00014099999999999998,0.00579,0.0033900000000000002
1902,0.0197,0.000155,0.00587,0.0034
1903,0.0215,0.000171,0.00597,0.0034300000000000003
1904,0.0233,0.000187,0.00608,0.0034500000000000004
1905,0.0251,0.000205,0.0062,0.00348
1906,0.0268,0.000222,0.00632,0.0035099999999999997
1907,0.028300000000000002,0.00023799999999999998,0.00646,0.00354
1908,0.0294,0.000253,0.0065899999999999995,0.00357
1909,0.030199999999999998,0.000266,0.006719999999999999,0.00359
1910,0.0305,0.00027600000000000004,0.00684,0.00362
1911,0.0304,0.00028399999999999996,0.00697,0.00365
1912,0.0303,0.00029099999999999997,0.00709,0.00367
1913,0.030199999999999998,0.000297,0.00721,0.00369
1914,0.03,0.00030199999999999997,0.00734,0.00372
1915,0.0298,0.000307,0.00747,0.0037400000000000003
1916,0.0296,0.000312,0.0076100000000000004,0.00377
1917,0.0294,0.000317,0.00774,0.0038
1918,0.0292,0.000323,0.00788,0.0038399999999999997
1919,0.0291,0.00032900000000000003,0.00802,0.0038799999999999998
1920,0.0291,0.00033600000000000004,0.00816,0.00393
1921,0.030100000000000002,0.00034300000000000004,0.00831,0.00404
1922,0.0329,0.00035099999999999997,0.00846,0.00424
1923,0.037200000000000004,0.000359,0.00861,0.00451
1924,0.0428,0.000368,0.00877,0.004849999999999999
1925,0.0493,0.000377,0.00893,0.00521
1926,0.0564,0.00038700000000000003,0.009089999999999999,0.0056
1927,0.0639,0.000397,0.00925,0.0059900000000000005
1928,0.0715,0.00040899999999999997,0.00942,0.00636
1929,0.07890000000000001,0.000421,0.00959,0.0067
1930,0.0858,0.000434,0.00977,0.00698
1931,0.0922,0.00045,0.00994,0.00722
1932,0.09820000000000001,0.00046899999999999996,0.0101,0.00745
1933,0.104,0.000491,0.0103,0.00766
1934,0.11,0.000515,0.0105,0.00786
1935,0.117,0.00054,0.0107,0.008060000000000001
1936,0.124,0.000566,0.0109,0.00826
1937,0.132,0.000592,0.0111,0.00846
1938,0.141,0.000617,0.011300000000000001,0.00866
1939,0.152,0.000642,0.0115,0.00887
1940,0.164,0.000664,0.011699999999999999,0.0091
1941,0.18,0.000684,0.0119,0.00933
1942,0.203,0.0007019999999999999,0.012199999999999999,0.00956
1943,0.232,0.000719,0.0124,0.009800000000000001
1944,0.266,0.000735,0.0126,0.01
1945,0.305,0.000751,0.0128,0.0103
1946,0.348,0.000768,0.013099999999999999,0.0105
1947,0.393,0.000787,0.0134,0.0108
1948,0.442,0.000809,0.013699999999999999,0.0111
1949,0.492,0.000834,0.014,0.0114
1950,0.544,0.0008629999999999999,0.0144,0.011699999999999999
1951,0.597,0.000902,0.015,0.0121
1952,0.656,0.000954,0.0156,0.0126
1953,0.719,0.00102,0.016399999999999998,0.0132
1954,0.788,0.00109,0.0174,0.013800000000000002
1955,0.864,0.00117,0.0184,0.0144
1956,0.946,0.00126,0.0195,0.0149
1957,1.04,0.00134,0.0206,0.0154
1958,1.14,0.0014299999999999998,0.0218,0.0159
1959,1.24,0.00152,0.023100000000000002,0.0162
1960,1.36,0.0016,0.024300000000000002,0.016300000000000002
1961,1.48,0.0016799999999999999,0.0256,0.022
1962,1.58,0.0017800000000000001,0.027,0.0225
1963,1.7,0.00189,0.0285,0.023
1964,1.83,0.002,0.030100000000000002,0.0237
1965,2.0,0.00211,0.0318,0.0245
1966,2.22,0.00221,0.0335,0.0248
1967,2.49,0.0023,0.0352,0.0254
1968,2.84,0.00237,0.036899999999999995,0.0277
1969,3.27,0.00242,0.0386,0.0287
1970,5.89,0.00246,0.047200000000000006,0.03
1971,7.71,0.00246,0.0509,0.032299999999999995
1972,10.4,0.00246,0.054200000000000005,0.0341
1973,14.5,0.00246,0.0573,0.038700000000000005
1974,15.0,0.00246,0.0608,0.0448
1975,11.3,0.00246,0.0643,0.047700000000000006
1976,14.5,0.00246,0.0685,0.0513
1977,14.5,0.00246,0.0728,0.0517
1978,12.7,0.00246,0.0773,0.058
1979,13.3,0.00246,0.08220000000000001,0.062299999999999994
1980,15.1,0.00246,0.0875,0.0635
1981,10.6,0.00246,0.094,0.060899999999999996
1982,8.69,0.00246,0.101,0.071
1983,6.69,0.00246,0.109,0.08059999999999999
1984,2.31,0.00246,0.118,0.0834
1985,1.77,0.0029500000000000004,0.134,0.0819
1986,1.78,0.00297,0.142,0.0863
1987,1.57,0.00323,0.151,0.08159999999999999
1988,2.17,0.00335,0.16,0.0785
1989,2.47,0.0033399999999999997,0.165,0.0778
1990,2.26,0.0033599999999999997,0.172,0.08070000000000001
1991,2.18,0.0033900000000000002,0.178,0.0837
1992,1.96,0.0006770000000000001,0.178,0.0873
1993,1.67,0.00491,0.194,0.08979999999999999
1994,2.32,0.00509,0.202,0.0933
1995,2.17,0.00511,0.208,0.09440000000000001
1996,2.21,0.00517,0.214,0.0958
1997,2.23,0.00561,0.219,0.0959
1998,2.1,0.00683,0.225,0.09309999999999999
1999,1.9,0.00683,0.229,0.0876
2000,2.0,0.00901,0.244,0.09140000000000001
2001,1.96,0.009859999999999999,0.266,0.0932
2002,1.95,0.009859999999999999,0.272,0.09390000000000001
2003,2.23,0.009859999999999999,0.279,0.0948
2004,2.27,0.0108,0.29,0.102
2005,2.44,0.0126,0.301,0.104
2006,2.5,0.0126,0.312,0.1
2007,2.48,0.0128,0.324,0.101
2008,2.62,0.0145,0.337,0.091
2009,2.43,0.0166,0.356,0.08209999999999999
2010,2.52,0.0175,0.374,0.093
2011,2.69,0.0179,0.395,0.102
2012,2.81,0.0183,0.413,0.104
2013,2.82,0.0188,0.43,0.112
2014,2.86,0.0188,0.441,0.108
2015,3.0,0.0188,0.408,0.11
2016,3.04,0.0209,0.452,0.111
2017,3.1,0.0217,0.465,0.112
2018,3.17,0.0225,0.478,0.113