year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000432,4.7600000000000003e-07,0.00368,0.00782
1851,0.000434,9e-07,0.00367,0.00882
1852,0.000437,1.33e-06,0.00366,0.009800000000000001
1853,0.000439,1.76e-06,0.00365,0.0108
1854,0.000442,2.2e-06,0.00363,0.011699999999999999
1855,0.000444,2.64e-06,0.00362,0.0126
1856,0.000447,3.09e-06,0.00361,0.0136
1857,0.00045,3.54e-06,0.00361,0.0145
1858,0.00045200000000000004,4e-06,0.0036,0.015300000000000001
1859,0.000455,4.4600000000000005e-06,0.0036,0.0162
1860,0.000458,4.9199999999999995e-06,0.00359,0.017
1861,0.00046,5.39e-06,0.00359,0.0178
1862,0.00046300000000000003,5.86e-06,0.00359,0.018600000000000002
1863,0.00046600000000000005,6.3299999999999995e-06,0.00359,0.019399999999999997
1864,0.00046899999999999996,6.81e-06,0.00359,0.0202
1865,0.00047099999999999996,7.29e-06,0.00359,0.0209
1866,0.000474,7.78e-06,0.00359,0.0217
1867,0.000477,8.269999999999999e-06,0.00359,0.0224
1868,0.00047999999999999996,8.76e-06,0.00359,0.023100000000000002
1869,0.000483,9.26e-06,0.00359,0.0237
1870,0.000486,9.76e-06,0.00359,0.024399999999999998
1871,0.000489,1.03e-05,0.00359,0.025
1872,0.000492,1.08e-05,0.00359,0.0256
1873,0.000495,1.1299999999999999e-05,0.0036,0.026199999999999998
1874,0.000498,1.18e-05,0.00361,0.0268
1875,0.000501,1.23e-05,0.00363,0.027399999999999997
1876,0.000504,1.2800000000000001e-05,0.00364,0.027899999999999998
1877,0.000507,1.33e-05,0.00366,0.028399999999999998
1878,0.00051,1.3899999999999999e-05,0.00368,0.0289
1879,0.000513,1.44e-05,0.0037,0.0294
1880,0.000516,1.49e-05,0.0037099999999999998,0.0298
1881,0.000519,1.54e-05,0.00373,0.0303
1882,0.000523,1.6e-05,0.00375,0.030699999999999998
1883,0.000526,1.65e-05,0.00377,0.031100000000000003
1884,0.0005290000000000001,1.7e-05,0.00379,0.0315
1885,0.000532,1.76e-05,0.00382,0.0318
1886,0.000535,1.8100000000000003e-05,0.0038399999999999997,0.0322
1887,0.000539,1.87e-05,0.00387,0.0325
1888,0.0005420000000000001,1.92e-05,0.0038900000000000002,0.032799999999999996
1889,0.000545,1.9699999999999998e-05,0.00391,0.033
1890,0.0006039999999999999,3.03e-05,0.00391,0.033600000000000005
1891,0.000626,3.24e-05,0.00392,0.0338
1892,0.00065,3.5000000000000004e-05,0.00393,0.0339
1893,0.000675,3.8100000000000005e-05,0.00394,0.034
1894,0.0007019999999999999,4.15e-05,0.00394,0.0342
1895,0.00073,4.5199999999999994e-05,0.00395,0.0343
1896,0.00076,4.93e-05,0.00396,0.0345
1897,0.000791,5.37e-05,0.0039700000000000004,0.0347
1898,0.000824,5.83e-05,0.00398,0.0348
1899,0.000857,6.31e-05,0.00398,0.035
1900,0.000891,6.809999999999999e-05,0.0039900000000000005,0.0352
1901,0.00095,7.39e-05,0.004,0.0354
1902,0.0010500000000000002,8.1e-05,0.00401,0.0356
1903,0.0011799999999999998,8.91e-05,0.004019999999999999,0.0358
1904,0.00134,9.779999999999999e-05,0.004030000000000001,0.036
1905,0.00151,0.000107,0.00404,0.0363
1906,0.0016799999999999999,0.000116,0.00405,0.0365
1907,0.00185,0.000124,0.004059999999999999,0.0368
1908,0.0020099999999999996,0.000132,0.00408,0.0371
1909,0.00215,0.00013900000000000002,0.00409,0.0373
1910,0.00226,0.00014399999999999998,0.0040999999999999995,0.0376
1911,0.00235,0.000148,0.00411,0.038
1912,0.0024300000000000003,0.00015099999999999998,0.00412,0.038299999999999994
1913,0.0025099999999999996,0.000154,0.00413,0.0386
1914,0.0025800000000000003,0.000157,0.00414,0.039
1915,0.00265,0.00016,0.00415,0.0394
1916,0.00271,0.000162,0.0041600000000000005,0.0399
1917,0.00277,0.000165,0.00417,0.040299999999999996
1918,0.00283,0.00016800000000000002,0.00419,0.040799999999999996
1919,0.00289,0.000171,0.00421,0.041299999999999996
1920,0.0029500000000000004,0.000174,0.00423,0.0418
1921,0.0030099999999999997,0.000178,0.00426,0.0426
1922,0.0030600000000000002,0.000182,0.00432,0.0439
1923,0.00311,0.000187,0.00439,0.0456
1924,0.00316,0.000191,0.0044800000000000005,0.0475
1925,0.00321,0.00019600000000000002,0.00458,0.0494
1926,0.00327,0.000201,0.0047,0.0514
1927,0.00333,0.000207,0.0048200000000000005,0.053200000000000004
1928,0.0034,0.000213,0.004940000000000001,0.054799999999999995
1929,0.00348,0.000219,0.00507,0.0559
1930,0.0035800000000000003,0.00022600000000000002,0.0052,0.0565
1931,0.00373,0.00023400000000000002,0.00534,0.0567
1932,0.00398,0.000244,0.00549,0.056600000000000004
1933,0.0043,0.000255,0.00566,0.0564
1934,0.00466,0.00026700000000000004,0.005849999999999999,0.0559
1935,0.00505,0.00028000000000000003,0.00604,0.0555
1936,0.00543,0.000294,0.00625,0.055
1937,0.00578,0.000307,0.00646,0.0546
1938,0.00608,0.00032,0.006679999999999999,0.0544
1939,0.0063,0.000333,0.00691,0.0544
1940,0.00642,0.00034399999999999996,0.00715,0.054700000000000006
1941,0.00647,0.000354,0.00738,0.0551
1942,0.00651,0.000364,0.0076100000000000004,0.055600000000000004
1943,0.00654,0.000372,0.00785,0.056100000000000004
1944,0.00657,0.000381,0.0081,0.056600000000000004
1945,0.00661,0.000389,0.00836,0.0572
1946,0.00666,0.000398,0.00865,0.0578
1947,0.006730000000000001,0.000408,0.00897,0.0584
1948,0.00683,0.000419,0.00933,0.0591
1949,0.00696,0.000432,0.009720000000000001,0.0598
1950,0.00714,0.000447,0.010199999999999999,0.0606
1951,0.00855,0.000467,0.0108,0.062
1952,0.0121,0.000494,0.011699999999999999,0.0645
1953,0.0172,0.000526,0.0128,0.0678
1954,0.0233,0.0005639999999999999,0.0141,0.0717
1955,0.03,0.000605,0.0155,0.07590000000000001
1956,0.0367,0.0006490000000000001,0.016800000000000002,0.08
1957,0.0428,0.0006929999999999999,0.0181,0.0838
1958,0.0479,0.0007379999999999999,0.0192,0.087
1959,0.0515,0.000782,0.0201,0.08940000000000001
1960,0.053,0.000824,0.0208,0.0906
1961,0.0531,0.000861,0.0213,0.094
1962,0.053,0.000892,0.0216,0.09720000000000001
1963,0.052700000000000004,0.000921,0.022,0.0994
1964,0.0522,0.00095,0.0222,0.103
1965,0.0516,0.00098,0.0225,0.103
1966,0.051,0.00102,0.022699999999999998,0.107
1967,0.0505,0.00106,0.023,0.108
1968,0.05,0.00111,0.0233,0.109
1969,0.0497,0.0011799999999999998,0.023600000000000003,0.115
1970,0.0551,0.00107,0.0241,0.116
1971,0.0549,0.000996,0.0257,0.118
1972,0.056600000000000004,0.00106,0.0265,0.12
1973,0.0582,0.0009519999999999999,0.0273,0.126
1974,0.0611,0.000795,0.028,0.133
1975,0.06420000000000001,0.000909,0.0288,0.138
1976,0.06509999999999999,0.0008179999999999999,0.0293,0.14
1977,0.0658,0.000662,0.030100000000000002,0.146
1978,0.813,0.000592,0.030699999999999998,0.148
1979,0.864,0.000652,0.0312,0.151
1980,0.919,0.0005,0.0317,0.152
1981,0.968,0.000482,0.0322,0.155
1982,1.01,0.00038500000000000003,0.032799999999999996,0.153
1983,1.05,0.000322,0.0334,0.155
1984,1.08,0.000416,0.0338,0.157
1985,1.13,0.0004,0.0345,0.161
1986,1.11,0.000373,0.0349,0.165
1987,1.07,0.000383,0.0356,0.168
1988,1.05,0.00038700000000000003,0.0363,0.171
1989,1.02,0.00039200000000000004,0.0373,0.162
1990,0.989,0.00039600000000000003,0.038,0.155
1991,0.931,0.00039600000000000003,0.0386,0.148
1992,0.864,0.00039600000000000003,0.0389,0.147
1993,0.802,0.000397,0.0394,0.144
1994,0.746,0.000397,0.04,0.144
1995,0.641,0.00033400000000000004,0.040299999999999996,0.139
1996,0.607,0.000335,0.040600000000000004,0.126
1997,0.54,0.000285,0.041,0.126
1998,0.448,0.000235,0.0409,0.128
1999,0.443,0.000235,0.041299999999999996,0.133
2000,0.41,0.000237,0.042,0.13
2001,0.429,0.000237,0.0425,0.134
2002,0.424,0.000237,0.043,0.134
2003,0.436,0.000237,0.0434,0.135
2004,0.455,0.000237,0.0437,0.134
2005,0.492,0.000237,0.0441,0.135
2006,0.499,0.000237,0.0445,0.135
2007,0.433,0.000237,0.0446,0.135
2008,0.462,0.00022600000000000002,0.045,0.133
2009,0.366,6.27e-05,0.0453,0.134
2010,0.363,6.33e-05,0.045700000000000005,0.134
2011,0.354,6.4e-05,0.046,0.135
2012,0.359,6.46e-05,0.045899999999999996,0.136
2013,0.361,6.419999999999999e-05,0.046299999999999994,0.132
2014,0.369,6.419999999999999e-05,0.0466,0.128
2015,0.372,6.419999999999999e-05,0.0469,0.121
2016,0.348,1.9900000000000003e-05,0.047299999999999995,0.121
2017,0.34,2.01e-05,0.0476,0.123
2018,0.332,2.04e-05,0.0479,0.122