year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000666,1.3e-07,0.00504,0.0515
1851,0.000669,1.41e-07,0.00511,0.0515
1852,0.00068,1.54e-07,0.00517,0.0515
1853,0.0006969999999999999,1.68e-07,0.00523,0.0515
1854,0.000721,1.83e-07,0.0053,0.0515
1855,0.000751,2.0000000000000002e-07,0.00536,0.0516
1856,0.000787,2.1900000000000002e-07,0.00542,0.0516
1857,0.00083,2.39e-07,0.0054800000000000005,0.0516
1858,0.000879,2.6e-07,0.00553,0.0517
1859,0.000933,2.82e-07,0.0055899999999999995,0.0517
1860,0.000993,3.06e-07,0.00564,0.0518
1861,0.00106,3.3100000000000004e-07,0.0057,0.0518
1862,0.00113,3.57e-07,0.00575,0.0519
1863,0.00121,3.84e-07,0.00579,0.0519
1864,0.0012900000000000001,4.12e-07,0.00584,0.052
1865,0.0013700000000000001,4.42e-07,0.00588,0.0521
1866,0.00146,4.72e-07,0.0059299999999999995,0.0522
1867,0.00156,5.03e-07,0.00598,0.0522
1868,0.00166,5.36e-07,0.006030000000000001,0.0523
1869,0.00176,5.69e-07,0.00608,0.052399999999999995
1870,0.0018700000000000001,6.03e-07,0.00614,0.0525
1871,0.00198,6.39e-07,0.00621,0.0526
1872,0.0021000000000000003,6.75e-07,0.00628,0.052700000000000004
1873,0.00222,7.110000000000001e-07,0.00635,0.0528
1874,0.00234,7.489999999999999e-07,0.00643,0.052899999999999996
1875,0.0024700000000000004,7.87e-07,0.00652,0.053
1876,0.0026,8.26e-07,0.00661,0.053200000000000004
1877,0.00273,8.65e-07,0.006690000000000001,0.0533
1878,0.00287,9.05e-07,0.0067800000000000004,0.053399999999999996
1879,0.003,9.46e-07,0.00687,0.0535
1880,0.00314,9.87e-07,0.00696,0.053700000000000005
1881,0.00329,1.03e-06,0.00704,0.0538
1882,0.0034300000000000003,1.07e-06,0.00713,0.053899999999999997
1883,0.0035800000000000003,1.1100000000000002e-06,0.00722,0.0541
1884,0.00373,1.16e-06,0.00731,0.054200000000000005
1885,0.0038799999999999998,1.2e-06,0.0074,0.0544
1886,0.004030000000000001,1.24e-06,0.00749,0.0545
1887,0.00419,1.29e-06,0.00758,0.054700000000000006
1888,0.00434,1.33e-06,0.00767,0.054799999999999995
1889,0.0045,1.38e-06,0.0077599999999999995,0.055
1890,0.00487,2.15e-06,0.00791,0.0587
1891,0.00504,2.3e-06,0.00791,0.055200000000000006
1892,0.00522,2.48e-06,0.00792,0.0519
1893,0.0054,2.7e-06,0.007940000000000001,0.048799999999999996
1894,0.0056,2.95e-06,0.00796,0.045899999999999996
1895,0.0058,3.22e-06,0.00799,0.0434
1896,0.00601,3.52e-06,0.00802,0.041100000000000005
1897,0.00623,3.83e-06,0.00805,0.039299999999999995
1898,0.00645,4.17e-06,0.00809,0.038
1899,0.006690000000000001,4.52e-06,0.00813,0.037200000000000004
1900,0.00692,4.88e-06,0.00818,0.036899999999999995
1901,0.00719,5.3e-06,0.00824,0.037
1902,0.00751,5.819999999999999e-06,0.00834,0.037200000000000004
1903,0.00787,6.41e-06,0.00846,0.0375
1904,0.008230000000000001,7.05e-06,0.0086,0.0378
1905,0.0086,7.709999999999999e-06,0.00877,0.038200000000000005
1906,0.00895,8.36e-06,0.00895,0.038700000000000005
1907,0.00926,8.98e-06,0.00915,0.039200000000000006
1908,0.009519999999999999,9.55e-06,0.00937,0.039799999999999995
1909,0.009710000000000002,1e-05,0.00959,0.0405
1910,0.00982,1.0399999999999999e-05,0.00982,0.041299999999999996
1911,0.00983,1.07e-05,0.0101,0.0432
1912,0.00977,1.1e-05,0.0104,0.0474
1913,0.00965,1.12e-05,0.0108,0.0533
1914,0.00949,1.1400000000000001e-05,0.0112,0.0608
1915,0.00931,1.1599999999999999e-05,0.0116,0.0695
1916,0.00914,1.17e-05,0.012,0.079
1917,0.00898,1.1900000000000001e-05,0.0125,0.0892
1918,0.00885,1.21e-05,0.0129,0.0996
1919,0.00879,1.24e-05,0.013300000000000001,0.11
1920,0.0088,1.26e-05,0.013699999999999999,0.12
1921,0.00888,1.29e-05,0.0141,0.131
1922,0.00901,1.32e-05,0.0144,0.145
1923,0.009179999999999999,1.35e-05,0.0147,0.161
1924,0.00939,1.38e-05,0.015,0.178
1925,0.009630000000000001,1.4200000000000001e-05,0.015300000000000001,0.195
1926,0.009890000000000001,1.45e-05,0.0157,0.21
1927,0.010199999999999999,1.49e-05,0.016,0.224
1928,0.0105,1.54e-05,0.016399999999999998,0.235
1929,0.0108,1.58e-05,0.016800000000000002,0.243
1930,0.0111,1.63e-05,0.0172,0.245
1931,0.0115,1.6899999999999997e-05,0.0177,0.242
1932,0.0121,1.76e-05,0.0182,0.234
1933,0.0128,1.85e-05,0.018699999999999998,0.221
1934,0.0136,1.94e-05,0.019399999999999997,0.205
1935,0.0145,2.03e-05,0.02,0.188
1936,0.015300000000000001,2.13e-05,0.0207,0.171
1937,0.0161,2.23e-05,0.0213,0.155
1938,0.0167,2.3199999999999998e-05,0.022,0.142
1939,0.0172,2.42e-05,0.022699999999999998,0.133
1940,0.0175,2.5e-05,0.023399999999999997,0.13
1941,0.0177,2.58e-05,0.0242,0.133
1942,0.018,2.64e-05,0.0249,0.142
1943,0.0184,2.7099999999999998e-05,0.0256,0.154
1944,0.0189,2.77e-05,0.0264,0.169
1945,0.019399999999999997,2.83e-05,0.0272,0.186
1946,0.02,2.8899999999999998e-05,0.028,0.204
1947,0.0206,2.96e-05,0.0288,0.222
1948,0.0212,3.04e-05,0.0297,0.237
1949,0.0218,3.14e-05,0.030600000000000002,0.25
1950,0.0223,3.2500000000000004e-05,0.0315,0.259
1951,0.023100000000000002,3.39e-05,0.0325,0.265
1952,0.0241,3.59e-05,0.033600000000000005,0.271
1953,0.0254,3.83e-05,0.0347,0.276
1954,0.0268,4.1e-05,0.036,0.28
1955,0.028300000000000002,4.4e-05,0.037200000000000004,0.285
1956,0.0297,4.72e-05,0.0385,0.289
1957,0.0312,5.05e-05,0.039700000000000006,0.292
1958,0.0324,5.38e-05,0.041,0.296
1959,0.0335,5.69e-05,0.0422,0.299
1960,0.0343,5.9999999999999995e-05,0.0434,0.302
1961,0.0347,6.29e-05,0.0446,0.328
1962,0.0348,6.57e-05,0.045899999999999996,0.332
1963,0.0348,6.850000000000001e-05,0.047200000000000006,0.308
1964,0.0346,7.13e-05,0.0485,0.301
1965,0.0344,7.43e-05,0.0498,0.307
1966,0.0344,7.73e-05,0.0511,0.317
1967,0.0345,8.04e-05,0.0522,0.328
1968,0.0349,8.38e-05,0.0533,0.329
1969,0.0357,8.740000000000001e-05,0.054200000000000005,0.31
1970,0.048,8.33e-05,0.055600000000000004,0.302
1971,0.048,7.79e-05,0.0579,0.311
1972,0.0436,9.57e-05,0.0598,0.314
1973,0.0445,0.000112,0.0611,0.322
1974,0.047,0.00011300000000000001,0.0632,0.337
1975,0.0493,0.000145,0.0644,0.35
1976,0.0503,0.000156,0.0659,0.348
1977,0.052899999999999996,0.00016900000000000002,0.0679,0.343
1978,0.0564,0.000203,0.0683,0.344
1979,0.0572,0.000216,0.0707,0.337
1980,0.0559,0.000133,0.0721,0.332
1981,0.0634,0.00015099999999999998,0.0735,0.335
1982,0.0712,0.000155,0.07490000000000001,0.338
1983,0.07709999999999999,0.000176,0.07640000000000001,0.335
1984,0.07970000000000001,0.00019,0.08009999999999999,0.336
1985,0.0837,0.0002,0.0803,0.328
1986,0.0837,0.000202,0.0813,0.319
1987,0.0834,0.00019800000000000002,0.0824,0.32
1988,0.0808,0.000204,0.0838,0.314
1989,0.08159999999999999,0.000219,0.0848,0.304
1990,0.0974,0.000201,0.0861,0.299
1991,0.084,0.000306,0.0852,0.29
1992,0.0858,0.000178,0.0863,0.243
1993,0.0825,3.99e-05,0.0852,0.241
1994,0.0757,3.91e-05,0.0865,0.234
1995,0.08009999999999999,4.39e-05,0.088,0.246
1996,0.0591,0.000136,0.098,0.245
1997,0.0625,0.00034899999999999997,0.09509999999999999,0.242
1998,0.0663,0.000421,0.0997,0.238
1999,0.0555,0.00011300000000000001,0.0955,0.222
2000,0.0631,9.719999999999999e-05,0.102,0.193
2001,0.0594,0.00015900000000000002,0.09609999999999999,0.183
2002,0.061399999999999996,8.62e-05,0.0974,0.179
2003,0.0627,9.5e-05,0.09459999999999999,0.176
2004,0.0639,0.00011899999999999999,0.0864,0.174
2005,0.056100000000000004,0.000129,0.0872,0.157
2006,0.054799999999999995,0.00016,0.0865,0.162
2007,0.0565,0.000147,0.0861,0.163
2008,0.0586,0.000157,0.0869,0.157
2009,0.055,0.000126,0.09290000000000001,0.15
2010,0.056299999999999996,0.00013900000000000002,0.09720000000000001,0.145
2011,0.0606,0.000146,0.104,0.141
2012,0.0591,9.79e-05,0.111,0.139
2013,0.0591,0.000106,0.12,0.136
2014,0.0519,0.00011700000000000001,0.108,0.139
2015,0.0576,0.00014199999999999998,0.119,0.137
2016,0.055600000000000004,0.000129,0.113,0.132
2017,0.055299999999999995,0.000129,0.115,0.132
2018,0.0549,0.000129,0.117,0.129