year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0006760000000000001,6.9e-06,0.026600000000000002,0.0675
1851,0.000678,7.889999999999999e-06,0.0269,0.0676
1852,0.0006820000000000001,8.89e-06,0.0273,0.0677
1853,0.00069,9.91e-06,0.027600000000000003,0.0679
1854,0.0007,1.09e-05,0.027899999999999998,0.0682
1855,0.000714,1.2e-05,0.028300000000000002,0.0685
1856,0.0007289999999999999,1.3e-05,0.0286,0.069
1857,0.000748,1.41e-05,0.0289,0.0694
1858,0.000769,1.52e-05,0.0292,0.07
1859,0.0007930000000000001,1.62e-05,0.0296,0.0706
1860,0.000819,1.73e-05,0.0299,0.0713
1861,0.000847,1.85e-05,0.030199999999999998,0.0721
1862,0.000878,1.96e-05,0.0305,0.0729
1863,0.000911,2.07e-05,0.0308,0.07379999999999999
1864,0.0009459999999999999,2.18e-05,0.031100000000000003,0.0747
1865,0.000983,2.3e-05,0.0314,0.0757
1866,0.00102,2.41e-05,0.0316,0.0768
1867,0.00106,2.53e-05,0.0319,0.0778
1868,0.00111,2.65e-05,0.032299999999999995,0.079
1869,0.00115,2.77e-05,0.032600000000000004,0.08020000000000001
1870,0.0012,2.8899999999999998e-05,0.0329,0.0814
1871,0.00124,3.01e-05,0.033299999999999996,0.08270000000000001
1872,0.0012900000000000001,3.13e-05,0.0337,0.084
1873,0.00134,3.2500000000000004e-05,0.0342,0.0854
1874,0.0014,3.37e-05,0.0346,0.0868
1875,0.00145,3.49e-05,0.0351,0.0882
1876,0.0015,3.6200000000000006e-05,0.0355,0.0897
1877,0.00156,3.74e-05,0.036,0.0912
1878,0.0016200000000000001,3.87e-05,0.0365,0.0927
1879,0.0016699999999999998,3.99e-05,0.037,0.0943
1880,0.00173,4.12e-05,0.037399999999999996,0.0959
1881,0.0017900000000000001,4.25e-05,0.037899999999999996,0.0975
1882,0.00185,4.3700000000000005e-05,0.0384,0.0991
1883,0.00191,4.4999999999999996e-05,0.038799999999999994,0.101
1884,0.00197,4.63e-05,0.039299999999999995,0.102
1885,0.00204,4.7600000000000005e-05,0.039799999999999995,0.104
1886,0.0021000000000000003,4.8899999999999996e-05,0.0402,0.106
1887,0.00216,5.02e-05,0.0407,0.108
1888,0.00222,5.15e-05,0.0412,0.109
1889,0.00229,5.28e-05,0.0417,0.111
1890,0.0024100000000000002,8.24e-05,0.0424,0.0938
1891,0.0025,8.83e-05,0.043,0.107
1892,0.00259,9.55e-05,0.0436,0.12
1893,0.00268,0.000104,0.0443,0.131
1894,0.00277,0.00011300000000000001,0.044899999999999995,0.142
1895,0.0028599999999999997,0.000124,0.0456,0.151
1896,0.00296,0.000135,0.046299999999999994,0.159
1897,0.0030499999999999998,0.000147,0.0469,0.165
1898,0.00315,0.00016,0.0476,0.17
1899,0.00325,0.000174,0.0482,0.173
1900,0.0033399999999999997,0.000187,0.0489,0.174
1901,0.0034500000000000004,0.000204,0.0496,0.173
1902,0.00357,0.000224,0.0503,0.17
1903,0.0037,0.000246,0.0509,0.166
1904,0.00383,0.00027,0.0516,0.161
1905,0.00396,0.000296,0.0523,0.155
1906,0.00408,0.00032,0.053,0.15
1907,0.00419,0.00034399999999999996,0.053700000000000005,0.145
1908,0.00428,0.000366,0.0544,0.141
1909,0.00436,0.000384,0.0551,0.138
1910,0.0044,0.000399,0.055799999999999995,0.137
1911,0.00442,0.00041,0.056600000000000004,0.137
1912,0.00441,0.00041999999999999996,0.0573,0.137
1913,0.00438,0.000429,0.0581,0.138
1914,0.00435,0.00043599999999999997,0.0589,0.139
1915,0.0043,0.000444,0.0596,0.14
1916,0.00426,0.000451,0.060399999999999995,0.141
1917,0.00422,0.000458,0.0613,0.142
1918,0.00419,0.00046600000000000005,0.0621,0.143
1919,0.00419,0.000475,0.0629,0.144
1920,0.004200000000000001,0.000484,0.0637,0.146
1921,0.00425,0.000495,0.0645,0.147
1922,0.00433,0.000506,0.0654,0.149
1923,0.00443,0.000518,0.06620000000000001,0.151
1924,0.00455,0.00053,0.06709999999999999,0.154
1925,0.00467,0.0005430000000000001,0.0679,0.157
1926,0.00479,0.0005570000000000001,0.0688,0.159
1927,0.004900000000000001,0.0005719999999999999,0.0696,0.162
1928,0.0049900000000000005,0.000588,0.0705,0.165
1929,0.005059999999999999,0.000606,0.0714,0.168
1930,0.00508,0.000625,0.0722,0.171
1931,0.00509,0.000647,0.073,0.174
1932,0.00509,0.000675,0.07379999999999999,0.177
1933,0.00509,0.000707,0.0745,0.181
1934,0.00509,0.000742,0.0751,0.185
1935,0.0050999999999999995,0.0007790000000000001,0.07579999999999999,0.188
1936,0.0050999999999999995,0.0008169999999999999,0.07659999999999999,0.192
1937,0.0050999999999999995,0.000855,0.07740000000000001,0.195
1938,0.00509,0.000892,0.07840000000000001,0.197
1939,0.00509,0.0009270000000000001,0.0795,0.198
1940,0.00509,0.0009599999999999999,0.0808,0.199
1941,0.00507,0.000989,0.08270000000000001,0.199
1942,0.005019999999999999,0.00101,0.0855,0.198
1943,0.004940000000000001,0.0010400000000000001,0.0891,0.197
1944,0.004849999999999999,0.00106,0.0932,0.195
1945,0.0047599999999999995,0.00109,0.0975,0.194
1946,0.00466,0.00111,0.102,0.192
1947,0.00457,0.00114,0.106,0.191
1948,0.0045,0.00117,0.11,0.19
1949,0.00445,0.0012,0.113,0.189
1950,0.00443,0.00125,0.116,0.189
1951,0.00444,0.00131,0.118,0.19
1952,0.00445,0.00141,0.12,0.192
1953,0.0044800000000000005,0.0015400000000000001,0.122,0.196
1954,0.00451,0.0016799999999999999,0.124,0.2
1955,0.00454,0.00183,0.125,0.205
1956,0.00458,0.00197,0.127,0.209
1957,0.00461,0.0021000000000000003,0.128,0.214
1958,0.00463,0.0022,0.129,0.217
1959,0.0046500000000000005,0.00227,0.13,0.22
1960,0.00466,0.0023,0.13,0.22
1961,0.00466,0.0023,0.13,0.223
1962,0.00466,0.0023,0.13,0.219
1963,0.00466,0.0023,0.13,0.208
1964,0.00466,0.0023,0.13,0.196
1965,0.00466,0.0023,0.13,0.189
1966,0.00466,0.0023,0.13,0.182
1967,0.00466,0.0023,0.13,0.173
1968,0.00466,0.0023,0.13,0.171
1969,0.00466,0.0023,0.13,0.167
1970,0.00801,0.00214,0.126,0.158
1971,0.007690000000000001,0.00195,0.129,0.153
1972,0.0071600000000000006,0.00198,0.132,0.153
1973,0.007019999999999999,0.00231,0.139,0.157
1974,0.006549999999999999,0.0023599999999999997,0.141,0.158
1975,0.00694,0.0016699999999999998,0.133,0.156
1976,0.00715,0.00173,0.133,0.154
1977,0.00714,0.00163,0.128,0.155
1978,0.006690000000000001,0.00148,0.133,0.156
1979,0.00656,0.00177,0.136,0.157
1980,0.0135,0.0015,0.135,0.159
1981,0.013900000000000001,0.0014,0.134,0.159
1982,0.0134,0.000992,0.129,0.16
1983,0.0132,0.0007379999999999999,0.135,0.157
1984,0.014199999999999999,0.00101,0.139,0.156
1985,0.0156,0.00106,0.138,0.153
1986,0.0161,0.00103,0.14,0.143
1987,0.0161,0.000941,0.143,0.137
1988,0.016300000000000002,0.0010500000000000002,0.144,0.137
1989,0.0166,0.0010500000000000002,0.142,0.138
1990,0.0161,0.0010500000000000002,0.139,0.141
1991,0.0171,0.00113,0.141,0.138
1992,0.016800000000000002,0.00109,0.141,0.143
1993,0.0162,0.0011,0.137,0.147
1994,0.0166,0.00111,0.131,0.15
1995,0.016399999999999998,0.000734,0.131,0.147
1996,0.016800000000000002,0.000335,0.13,0.148
1997,0.0157,0.000354,0.129,0.148
1998,0.0155,0.000347,0.127,0.146
1999,0.0145,0.000339,0.121,0.144
2000,0.013800000000000002,0.000377,0.118,0.142
2001,0.013900000000000001,0.000386,0.116,0.141
2002,0.0135,0.000384,0.108,0.139
2003,0.0129,0.00039600000000000003,0.102,0.137
2004,0.013099999999999999,0.000395,0.101,0.139
2005,0.0127,0.000375,0.0948,0.138
2006,0.0125,0.000376,0.09140000000000001,0.137
2007,0.0121,0.000374,0.084,0.135
2008,0.0116,0.00035299999999999996,0.0732,0.135
2009,0.0115,0.000337,0.0694,0.133
2010,0.0114,0.000348,0.0645,0.133
2011,0.0106,0.00034,0.060399999999999995,0.132
2012,0.0104,0.000365,0.055200000000000006,0.13
2013,0.00991,0.00035,0.052,0.131
2014,0.009210000000000001,0.000356,0.047700000000000006,0.131
2015,0.00899,0.00035499999999999996,0.0442,0.131
2016,0.00907,0.000356,0.041,0.131
2017,0.0089,0.000363,0.038299999999999994,0.132
2018,0.00841,0.000365,0.0357,0.131