year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000108,6.48e-06,0.0047,0.263
1851,0.00010899999999999999,7.03e-06,0.0047599999999999995,0.263
1852,0.00011,7.65e-06,0.0048200000000000005,0.263
1853,0.00011300000000000001,8.35e-06,0.00488,0.263
1854,0.00011700000000000001,9.119999999999999e-06,0.004940000000000001,0.263
1855,0.000122,9.97e-06,0.0049900000000000005,0.263
1856,0.000128,1.09e-05,0.00505,0.264
1857,0.000135,1.1900000000000001e-05,0.00511,0.264
1858,0.00014299999999999998,1.29e-05,0.0051600000000000005,0.264
1859,0.00015099999999999998,1.4e-05,0.00521,0.264
1860,0.000161,1.52e-05,0.00526,0.265
1861,0.00017199999999999998,1.6400000000000002e-05,0.00531,0.265
1862,0.000183,1.77e-05,0.00536,0.265
1863,0.00019600000000000002,1.91e-05,0.0054,0.265
1864,0.00020899999999999998,2.05e-05,0.00544,0.266
1865,0.000223,2.2e-05,0.00549,0.266
1866,0.00023799999999999998,2.35e-05,0.00553,0.267
1867,0.000253,2.5e-05,0.00557,0.267
1868,0.00026900000000000003,2.6700000000000002e-05,0.00562,0.267
1869,0.00028599999999999996,2.83e-05,0.00567,0.268
1870,0.000304,2.9999999999999997e-05,0.005719999999999999,0.268
1871,0.000322,3.18e-05,0.00579,0.269
1872,0.00034100000000000005,3.35e-05,0.005849999999999999,0.269
1873,0.00035999999999999997,3.54e-05,0.00592,0.27
1874,0.00038,3.7199999999999996e-05,0.006,0.27
1875,0.00040100000000000004,3.91e-05,0.00608,0.271
1876,0.000422,4.1099999999999996e-05,0.0061600000000000005,0.272
1877,0.000443,4.2999999999999995e-05,0.00624,0.272
1878,0.000465,4.4999999999999996e-05,0.00632,0.273
1879,0.00048699999999999997,4.7e-05,0.00641,0.274
1880,0.00051,4.91e-05,0.00649,0.274
1881,0.000533,5.1200000000000004e-05,0.00657,0.275
1882,0.0005570000000000001,5.33e-05,0.0066500000000000005,0.276
1883,0.0005809999999999999,5.54e-05,0.006730000000000001,0.276
1884,0.000605,5.75e-05,0.0068200000000000005,0.277
1885,0.000629,5.97e-05,0.006900000000000001,0.278
1886,0.0006540000000000001,6.18e-05,0.0069900000000000006,0.279
1887,0.000679,6.4e-05,0.00707,0.279
1888,0.000704,6.62e-05,0.00715,0.28
1889,0.00073,6.840000000000001e-05,0.00724,0.281
1890,0.0008219999999999999,0.000106,0.00739,0.276
1891,0.0009469999999999999,0.000114,0.00751,0.283
1892,0.00107,0.000123,0.00763,0.289
1893,0.0011899999999999999,0.000134,0.00775,0.295
1894,0.00131,0.000146,0.00787,0.301
1895,0.0014299999999999998,0.00016,0.00799,0.307
1896,0.0015400000000000001,0.000175,0.008119999999999999,0.311
1897,0.00166,0.00019,0.00824,0.316
1898,0.00177,0.000207,0.008369999999999999,0.319
1899,0.0018700000000000001,0.000224,0.0085,0.321
1900,0.00198,0.000242,0.00864,0.323
1901,0.00209,0.000263,0.00877,0.324
1902,0.00221,0.00028799999999999995,0.00891,0.324
1903,0.00234,0.000317,0.00905,0.325
1904,0.00246,0.00034899999999999997,0.00919,0.326
1905,0.0025800000000000003,0.000381,0.00933,0.326
1906,0.00269,0.00041299999999999996,0.00948,0.327
1907,0.00279,0.000443,0.00962,0.328
1908,0.0028599999999999997,0.00047099999999999996,0.00977,0.329
1909,0.00292,0.000495,0.00992,0.33
1910,0.00294,0.000513,0.0101,0.331
1911,0.0029,0.000528,0.010199999999999999,0.335
1912,0.00276,0.00054,0.0104,0.347
1913,0.00256,0.0005510000000000001,0.0105,0.363
1914,0.00232,0.0005600000000000001,0.0106,0.383
1915,0.0020499999999999997,0.00057,0.0108,0.404
1916,0.0017800000000000001,0.000578,0.0109,0.427
1917,0.0015300000000000001,0.000588,0.0111,0.449
1918,0.00133,0.000597,0.0112,0.468
1919,0.0012,0.000608,0.0114,0.484
1920,0.00116,0.000621,0.0116,0.495
1921,0.00124,0.000635,0.0119,0.502
1922,0.0014399999999999999,0.00065,0.0121,0.51
1923,0.00175,0.000665,0.0123,0.517
1924,0.00216,0.0006810000000000001,0.0126,0.523
1925,0.00266,0.0006979999999999999,0.0129,0.529
1926,0.00321,0.000717,0.013300000000000001,0.534
1927,0.00382,0.000737,0.0136,0.539
1928,0.00447,0.000758,0.0141,0.543
1929,0.00514,0.000781,0.0145,0.545
1930,0.0058200000000000005,0.0008060000000000001,0.015099999999999999,0.547
1931,0.00663,0.0008349999999999999,0.0158,0.546
1932,0.007690000000000001,0.000871,0.017,0.542
1933,0.00893,0.000912,0.0184,0.536
1934,0.0103,0.000957,0.02,0.528
1935,0.011800000000000001,0.001,0.0218,0.52
1936,0.0132,0.0010500000000000002,0.023600000000000003,0.512
1937,0.0147,0.0011,0.0254,0.504
1938,0.016,0.00115,0.027100000000000003,0.498
1939,0.0172,0.0012,0.0286,0.494
1940,0.0182,0.00124,0.0298,0.493
1941,0.019100000000000002,0.00127,0.0308,0.494
1942,0.0198,0.00131,0.0317,0.498
1943,0.020399999999999998,0.00134,0.0325,0.503
1944,0.021,0.0013700000000000001,0.033299999999999996,0.51
1945,0.0216,0.0014,0.034,0.518
1946,0.0222,0.0014299999999999998,0.0347,0.527
1947,0.0228,0.00146,0.0355,0.537
1948,0.0235,0.0015,0.0363,0.547
1949,0.024399999999999998,0.00155,0.0373,0.557
1950,0.0254,0.0016,0.038299999999999994,0.567
1951,0.0268,0.0016699999999999998,0.0396,0.579
1952,0.0287,0.00177,0.041,0.593
1953,0.031,0.00189,0.0426,0.609
1954,0.0338,0.00202,0.0443,0.626
1955,0.0367,0.00217,0.0461,0.645
1956,0.0399,0.00232,0.048,0.663
1957,0.0431,0.00248,0.0499,0.682
1958,0.046299999999999994,0.00264,0.0518,0.701
1959,0.0494,0.0028,0.0536,0.718
1960,0.052399999999999995,0.0029500000000000004,0.0554,0.734
1961,0.0549,0.0031,0.0572,0.714
1962,0.057,0.0032400000000000003,0.059,0.759
1963,0.0588,0.0033900000000000002,0.0608,0.793
1964,0.060700000000000004,0.00354,0.0627,0.776
1965,0.0626,0.0037,0.0645,0.784
1966,0.065,0.00385,0.0663,0.827
1967,0.0678,0.00401,0.0682,0.855
1968,0.0713,0.00417,0.0699,0.859
1969,0.07579999999999999,0.0035800000000000003,0.0704,0.854
1970,0.08020000000000001,0.0034500000000000004,0.0706,0.845
1971,0.0804,0.00319,0.07390000000000001,0.878
1972,0.0845,0.00349,0.07529999999999999,0.899
1973,0.08990000000000001,0.00418,0.0767,0.911
1974,0.0965,0.00405,0.0782,0.931
1975,0.104,0.00299,0.079,0.951
1976,0.111,0.00325,0.0799,0.956
1977,0.117,0.00333,0.08120000000000001,0.955
1978,1.72,0.00298,0.08220000000000001,0.972
1979,1.66,0.00331,0.0834,0.984
1980,1.53,0.00279,0.084,0.996
1981,1.41,0.0025299999999999997,0.0852,0.994
1982,1.36,0.00152,0.0863,1.0
1983,1.86,0.0011899999999999999,0.0876,1.01
1984,1.95,0.00181,0.089,1.03
1985,1.82,0.00177,0.0902,1.03
1986,1.74,0.00156,0.09190000000000001,1.03
1987,1.67,0.00159,0.0932,1.04
1988,2.29,0.0016799999999999999,0.0942,1.02
1989,1.93,0.0016200000000000001,0.095,1.02
1990,1.91,0.0016,0.09820000000000001,1.02
1991,1.84,0.00148,0.0996,0.997
1992,1.87,0.0014199999999999998,0.101,0.891
1993,1.67,0.0011899999999999999,0.104,0.891
1994,1.25,0.000769,0.104,0.878
1995,1.06,0.00108,0.105,0.752
1996,1.03,0.00083,0.106,0.637
1997,1.04,0.000976,0.107,0.536
1998,0.971,0.00102,0.106,0.448
1999,0.963,0.0014199999999999998,0.105,0.395
2000,0.976,0.00157,0.102,0.394
2001,0.905,0.0016,0.111,0.416
2002,0.936,0.00173,0.113,0.589
2003,1.01,0.0019199999999999998,0.116,0.486
2004,1.15,0.0020099999999999996,0.115,0.54
2005,1.18,0.00204,0.118,0.565
2006,1.31,0.00213,0.117,0.598
2007,1.32,0.00225,0.119,0.557
2008,1.37,0.0020800000000000003,0.121,0.584
2009,1.39,0.00195,0.121,0.559
2010,1.43,0.00215,0.127,0.635
2011,1.45,0.00213,0.13,0.559
2012,2.64,0.00212,0.124,0.553
2013,2.6,0.0020800000000000003,0.129,0.515
2014,2.66,0.00214,0.137,0.57
2015,2.57,0.00207,0.142,0.606
2016,2.58,0.00222,0.145,0.578
2017,2.7,0.00213,0.147,0.711
2018,2.85,0.00196,0.149,0.639