year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,0.00487,5.47e-05,0.000601,2.89e-18,0.000555
1851,0.00491,5.76e-05,0.0006,0.000178,0.0005759999999999999
1852,0.00495,6.07e-05,0.000598,0.000356,0.000597
1853,0.005,6.4e-05,0.000597,0.000533,0.000616
1854,0.00504,6.759999999999999e-05,0.0005949999999999999,0.0007109999999999999,0.0006360000000000001
1855,0.00509,7.13e-05,0.000594,0.000889,0.0006540000000000001
1856,0.00513,7.52e-05,0.000592,0.00107,0.000671
1857,0.00517,7.92e-05,0.0005909999999999999,0.00124,0.0006860000000000001
1858,0.00521,8.340000000000001e-05,0.0005909999999999999,0.0014199999999999998,0.0007009999999999999
1859,0.00525,8.77e-05,0.0005899999999999999,0.0016,0.000714
1860,0.00528,9.22e-05,0.0005899999999999999,0.0017800000000000001,0.000725
1861,0.00532,9.68e-05,0.000589,0.00196,0.000735
1862,0.00535,0.000102,0.000589,0.00213,0.000744
1863,0.00539,0.000107,0.000589,0.00231,0.000753
1864,0.00542,0.000112,0.000589,0.00249,0.000762
1865,0.00546,0.000118,0.000589,0.00267,0.000771
1866,0.0055,0.000123,0.000589,0.00285,0.0007790000000000001
1867,0.00554,0.00013000000000000002,0.000589,0.00302,0.000787
1868,0.00557,0.000136,0.000589,0.0032,0.000796
1869,0.00561,0.00014199999999999998,0.000589,0.0033799999999999998,0.000804
1870,0.00566,0.000149,0.000589,0.0035600000000000002,0.000812
1871,0.00571,0.000156,0.000589,0.00373,0.000828
1872,0.00579,0.000164,0.0005909999999999999,0.00391,0.000858
1873,0.005889999999999999,0.00017199999999999998,0.000594,0.00409,0.000898
1874,0.006,0.00018099999999999998,0.000597,0.0042699999999999995,0.000945
1875,0.0061200000000000004,0.00019,0.000601,0.00445,0.000997
1876,0.00624,0.000199,0.000605,0.00462,0.0010500000000000002
1877,0.00636,0.00020899999999999998,0.000609,0.0048,0.0011
1878,0.00647,0.000219,0.000614,0.00498,0.00114
1879,0.00657,0.000229,0.000617,0.0051600000000000005,0.0011799999999999998
1880,0.0066500000000000005,0.00023899999999999998,0.000621,0.00533,0.0012
1881,0.00671,0.00025,0.000624,0.00551,0.00122
1882,0.0067800000000000004,0.00026000000000000003,0.000627,0.005690000000000001,0.00123
1883,0.00684,0.00027100000000000003,0.000631,0.00587,0.00124
1884,0.006900000000000001,0.000283,0.000635,0.00605,0.00125
1885,0.00696,0.00029499999999999996,0.000639,0.00622,0.00126
1886,0.007019999999999999,0.000307,0.000643,0.0064,0.00127
1887,0.00708,0.00032,0.000647,0.00658,0.00128
1888,0.00715,0.000333,0.000651,0.0067599999999999995,0.0012900000000000001
1889,0.00721,0.00034599999999999995,0.000655,0.00694,0.0013
1890,0.00824,0.00034399999999999996,0.000687,0.00711,0.0014399999999999999
1891,0.00871,0.000345,0.000707,0.00729,0.0013700000000000001
1892,0.009210000000000001,0.00034599999999999995,0.000727,0.00747,0.00132
1893,0.00973,0.000347,0.000748,0.0076500000000000005,0.00127
1894,0.0103,0.000348,0.0007700000000000001,0.00782,0.00123
1895,0.0108,0.00035,0.0007930000000000001,0.008,0.0012
1896,0.0114,0.00035099999999999997,0.000816,0.00818,0.00117
1897,0.012,0.00035299999999999996,0.0008399999999999999,0.00836,0.00115
1898,0.0126,0.000354,0.000865,0.008539999999999999,0.00114
1899,0.0132,0.000356,0.0008900000000000001,0.00871,0.00113
1900,0.013900000000000001,0.000358,0.000915,0.00889,0.00113
1901,0.0146,0.000359,0.0009419999999999999,0.00907,0.00114
1902,0.0154,0.000361,0.000969,0.00925,0.00117
1903,0.0162,0.000363,0.000997,0.00942,0.00121
1904,0.0171,0.000365,0.00103,0.0096,0.00126
1905,0.018,0.000368,0.00106,0.009779999999999999,0.00132
1906,0.0188,0.00037,0.00109,0.00996,0.00138
1907,0.0197,0.000373,0.0011200000000000001,0.0101,0.0014399999999999999
1908,0.020399999999999998,0.000375,0.00115,0.0103,0.00149
1909,0.0211,0.000378,0.0011799999999999998,0.0105,0.0015400000000000001
1910,0.0217,0.000381,0.00121,0.0107,0.00157
1911,0.0222,0.00038500000000000003,0.00125,0.0108,0.00159
1912,0.022699999999999998,0.000389,0.00128,0.011,0.00161
1913,0.0232,0.000393,0.00132,0.0112,0.00163
1914,0.0237,0.000398,0.00135,0.0114,0.00165
1915,0.0242,0.00040300000000000004,0.00139,0.0116,0.00166
1916,0.0246,0.000408,0.0014199999999999998,0.011699999999999999,0.0016799999999999999
1917,0.0249,0.000414,0.00146,0.0119,0.0016899999999999999
1918,0.0252,0.00041999999999999996,0.0015,0.0121,0.00171
1919,0.0254,0.000426,0.0015400000000000001,0.0123,0.00172
1920,0.0254,0.000432,0.00158,0.0124,0.00174
1921,0.0253,0.000439,0.0016200000000000001,0.0126,0.00176
1922,0.0249,0.000447,0.0016699999999999998,0.0128,0.0017800000000000001
1923,0.024399999999999998,0.000455,0.00171,0.013,0.0018
1924,0.0238,0.000464,0.00176,0.0132,0.00183
1925,0.023100000000000002,0.000474,0.0018,0.013300000000000001,0.00185
1926,0.0225,0.000484,0.00185,0.0135,0.00188
1927,0.0219,0.000495,0.0019,0.013699999999999999,0.0019
1928,0.0213,0.000506,0.00195,0.013900000000000001,0.00191
1929,0.021,0.000518,0.002,0.014,0.0019199999999999998
1930,0.0209,0.000531,0.0020499999999999997,0.014199999999999999,0.0019299999999999999
1931,0.021,0.000546,0.0021000000000000003,0.0144,0.0019299999999999999
1932,0.0212,0.0005629999999999999,0.00215,0.0146,0.0019299999999999999
1933,0.0215,0.0005819999999999999,0.0022,0.0148,0.0019199999999999998
1934,0.022,0.0006039999999999999,0.00225,0.0149,0.0019199999999999998
1935,0.022600000000000002,0.000626,0.00231,0.015099999999999999,0.0019199999999999998
1936,0.0232,0.0006490000000000001,0.0023599999999999997,0.015300000000000001,0.00191
1937,0.023899999999999998,0.0006730000000000001,0.0024100000000000002,0.0155,0.00191
1938,0.0246,0.0006969999999999999,0.0024700000000000004,0.0156,0.0019
1939,0.0253,0.000721,0.0025299999999999997,0.0158,0.0019
1940,0.026,0.000743,0.0025800000000000003,0.016,0.0019
1941,0.0268,0.0007650000000000001,0.00264,0.0162,0.0019299999999999999
1942,0.027600000000000003,0.0007840000000000001,0.0027,0.016399999999999998,0.00199
1943,0.0286,0.000803,0.00276,0.0165,0.0020800000000000003
1944,0.0297,0.000823,0.00282,0.0167,0.00219
1945,0.0308,0.000842,0.0028799999999999997,0.0169,0.00232
1946,0.032,0.0008629999999999999,0.00294,0.0171,0.0024500000000000004
1947,0.0332,0.000887,0.0030099999999999997,0.0172,0.0025800000000000003
1948,0.0344,0.0009130000000000001,0.0030800000000000003,0.0174,0.0027
1949,0.0357,0.0009419999999999999,0.00316,0.0176,0.00279
1950,0.036899999999999995,0.000976,0.0032400000000000003,0.0178,0.0028599999999999997
1951,0.0381,0.00102,0.00332,0.018,0.0029100000000000003
1952,0.039200000000000006,0.00109,0.00342,0.0181,0.00297
1953,0.0404,0.00117,0.00352,0.0183,0.0030299999999999997
1954,0.0416,0.00127,0.00363,0.0185,0.0031
1955,0.0425,0.0013700000000000001,0.00375,0.018699999999999998,0.00317
1956,0.0436,0.00148,0.00387,0.0188,0.0032400000000000003
1957,0.0461,0.00159,0.0039900000000000005,0.019,0.00332
1958,0.047299999999999995,0.0017,0.00412,0.0192,0.0034
1959,0.0487,0.0018,0.00424,0.019399999999999997,0.00348
1960,0.0502,0.0019,0.00437,0.019600000000000003,0.0035499999999999998
1961,0.06509999999999999,0.002,0.00449,0.0197,0.00368
1962,0.0679,0.00212,0.00462,0.019899999999999998,0.0038900000000000002
1963,0.0727,0.0022400000000000002,0.00475,0.0201,0.0041600000000000005
1964,0.078,0.00237,0.00488,0.020300000000000002,0.00447
1965,0.0849,0.00249,0.005019999999999999,0.020399999999999998,0.00479
1966,0.0895,0.00261,0.0051600000000000005,0.0206,0.00511
1967,0.09670000000000001,0.00271,0.0053,0.0208,0.0054
1968,0.103,0.00279,0.00544,0.021,0.00564
1969,0.126,0.0028399999999999996,0.00558,0.0212,0.005809999999999999
1970,0.128,0.00298,0.0058200000000000005,0.0215,0.00594
1971,0.138,0.00298,0.0059900000000000005,0.0215,0.00596
1972,0.141,0.00298,0.0061600000000000005,0.0215,0.006
1973,0.142,0.00298,0.00633,0.0215,0.00571
1974,0.149,0.00298,0.0064800000000000005,0.0215,0.00587
1975,0.149,0.00298,0.0066,0.0215,0.00609
1976,0.12,0.00298,0.00671,0.0215,0.00611
1977,0.145,0.00298,0.00675,0.0214,0.00584
1978,0.119,0.00298,0.0068200000000000005,0.0214,0.00571
1979,0.124,0.00298,0.00687,0.0214,0.0056500000000000005
1980,0.136,0.00298,0.0069900000000000006,0.0214,0.00571
1981,0.137,0.0030299999999999997,0.00733,0.0217,0.00567
1982,0.137,0.0030099999999999997,0.007719999999999999,0.0215,0.0057
1983,0.14,0.00313,0.008199999999999999,0.0223,0.00556
1984,0.149,0.0034500000000000004,0.00865,0.0247,0.005690000000000001
1985,0.132,0.00281,0.009089999999999999,0.019899999999999998,0.005849999999999999
1986,0.139,0.0030600000000000002,0.009519999999999999,0.0217,0.005900000000000001
1987,0.143,0.00321,0.009890000000000001,0.0228,0.005809999999999999
1988,0.147,0.00307,0.0103,0.0218,0.00591
1989,0.166,0.0032,0.0107,0.022699999999999998,0.006059999999999999
1990,0.17,0.0032400000000000003,0.0112,0.0229,0.00619
1991,0.169,0.00322,0.011300000000000001,0.0228,0.0060999999999999995
1992,0.162,0.00296,0.0115,0.0208,0.005889999999999999
1993,0.163,0.00302,0.011800000000000001,0.0213,0.00578
1994,0.204,0.00447,0.0121,0.0319,0.00717
1995,0.187,0.0040999999999999995,0.0108,0.0264,0.00717
1996,0.19,0.004200000000000001,0.00954,0.024,0.006900000000000001
1997,0.195,0.0049299999999999995,0.00821,0.0265,0.0069900000000000006
1998,0.194,0.004019999999999999,0.00688,0.0247,0.006900000000000001
1999,0.216,0.00445,0.00557,0.025,0.006860000000000001
2000,0.2,0.00441,0.0042699999999999995,0.0259,0.010199999999999999
2001,0.236,0.0038399999999999997,0.00428,0.031,0.010199999999999999
2002,0.248,0.00198,0.0043,0.020300000000000002,0.010199999999999999
2003,0.288,0.0024300000000000003,0.00433,0.0252,0.010199999999999999
2004,0.325,0.00252,0.00438,0.0218,0.010199999999999999
2005,0.378,0.00294,0.0044599999999999996,0.025,0.010199999999999999
2006,0.381,0.00314,0.00435,0.0228,0.0111
2007,0.366,0.0025499999999999997,0.00438,0.018699999999999998,0.0114
2008,0.359,0.0022299999999999998,0.0044,0.0166,0.011800000000000001
2009,0.364,0.0030600000000000002,0.00444,0.0247,0.012199999999999999
2010,0.365,0.00252,0.00447,0.0224,0.0126
2011,0.369,0.00229,0.0045,0.0252,0.0129
2012,0.39,0.0024,0.00454,0.0308,0.013300000000000001
2013,0.359,0.00126,0.00458,0.0145,0.013800000000000002
2014,0.356,0.00123,0.00462,0.0145,0.014199999999999999
2015,0.379,0.0011799999999999998,0.00467,0.013699999999999999,0.0146
2016,0.424,0.000914,0.00463,0.017,0.015
2017,0.435,0.000722,0.00466,0.016399999999999998,0.0154
2018,0.602,0.000585,0.00468,0.0158,0.0159