year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00252,0.0,0.00108,0.0134
1851,0.0025499999999999997,5.83e-07,0.00108,0.013900000000000001
1852,0.0025800000000000003,1.16e-06,0.00108,0.0143
1853,0.00261,1.73e-06,0.00109,0.0148
1854,0.00264,2.3e-06,0.00109,0.0152
1855,0.00267,2.86e-06,0.0011,0.0156
1856,0.00271,3.41e-06,0.0011,0.0161
1857,0.0027400000000000002,3.96e-06,0.00111,0.0165
1858,0.00277,4.51e-06,0.00111,0.0169
1859,0.0028,5.05e-06,0.0011200000000000001,0.0173
1860,0.0028399999999999996,5.58e-06,0.0011200000000000001,0.0178
1861,0.00287,6.11e-06,0.00113,0.0182
1862,0.0029,6.629999999999999e-06,0.00114,0.018600000000000002
1863,0.00294,7.15e-06,0.00114,0.019
1864,0.00297,7.67e-06,0.00115,0.019399999999999997
1865,0.003,8.17e-06,0.00116,0.0198
1866,0.00304,8.68e-06,0.00116,0.0202
1867,0.00307,9.18e-06,0.00117,0.0205
1868,0.00311,9.67e-06,0.0011799999999999998,0.0209
1869,0.00314,1.02e-05,0.0011899999999999999,0.0213
1870,0.00318,1.06e-05,0.0012,0.0217
1871,0.00321,1.11e-05,0.0012,0.0221
1872,0.00325,1.1599999999999999e-05,0.00121,0.0224
1873,0.00328,1.21e-05,0.00122,0.0228
1874,0.00332,1.25e-05,0.00123,0.0232
1875,0.0033599999999999997,1.3e-05,0.00124,0.0235
1876,0.0033900000000000002,1.35e-05,0.00125,0.023899999999999998
1877,0.0034300000000000003,1.3899999999999999e-05,0.00126,0.024300000000000002
1878,0.00347,1.44e-05,0.00128,0.0246
1879,0.0035099999999999997,1.48e-05,0.0012900000000000001,0.025
1880,0.00354,1.53e-05,0.0013,0.0253
1881,0.0035800000000000003,1.57e-05,0.00131,0.0257
1882,0.00362,1.61e-05,0.00132,0.026
1883,0.00366,1.66e-05,0.00133,0.0264
1884,0.00369,1.7e-05,0.00134,0.026699999999999998
1885,0.00373,1.74e-05,0.00135,0.027100000000000003
1886,0.00377,1.78e-05,0.00136,0.027399999999999997
1887,0.00381,1.83e-05,0.0013700000000000001,0.027800000000000002
1888,0.00385,1.87e-05,0.00138,0.0281
1889,0.0038900000000000002,1.91e-05,0.00139,0.028399999999999998
1890,0.0043,2.99e-05,0.0014199999999999998,0.0289
1891,0.00445,3.2e-05,0.0014399999999999999,0.0291
1892,0.00462,3.46e-05,0.00145,0.0293
1893,0.0048,3.7699999999999995e-05,0.00146,0.0295
1894,0.00501,4.1099999999999996e-05,0.00148,0.0297
1895,0.00523,4.49e-05,0.0015,0.03
1896,0.00547,4.9000000000000005e-05,0.00151,0.0303
1897,0.005719999999999999,5.3400000000000004e-05,0.0015300000000000001,0.0305
1898,0.00598,5.8099999999999996e-05,0.00155,0.0308
1899,0.00625,6.29e-05,0.00157,0.031100000000000003
1900,0.00654,6.79e-05,0.00159,0.0314
1901,0.006889999999999999,7.38e-05,0.00161,0.0317
1902,0.00734,8.1e-05,0.00163,0.032
1903,0.00787,8.91e-05,0.00165,0.032299999999999995
1904,0.00845,9.79e-05,0.0016799999999999999,0.032600000000000004
1905,0.00906,0.000107,0.0017,0.0329
1906,0.00968,0.000116,0.00173,0.0332
1907,0.0103,0.000125,0.00175,0.033600000000000005
1908,0.0108,0.000132,0.0017800000000000001,0.034
1909,0.011300000000000001,0.00013900000000000002,0.00181,0.0345
1910,0.011699999999999999,0.00014399999999999998,0.00183,0.035
1911,0.012,0.000148,0.00186,0.0358
1912,0.0124,0.000152,0.00188,0.036899999999999995
1913,0.0126,0.000155,0.00191,0.0384
1914,0.0129,0.000158,0.0019299999999999999,0.040100000000000004
1915,0.0132,0.00016,0.00196,0.042
1916,0.0134,0.000163,0.00198,0.044
1917,0.013699999999999999,0.000166,0.0020099999999999996,0.0461
1918,0.013900000000000001,0.00016800000000000002,0.0020499999999999997,0.048100000000000004
1919,0.0141,0.00017199999999999998,0.00209,0.05
1920,0.0143,0.000175,0.00214,0.0517
1921,0.0145,0.000179,0.0022,0.0535
1922,0.0147,0.000183,0.00229,0.0555
1923,0.0148,0.000187,0.0024,0.0577
1924,0.015,0.000192,0.00252,0.0599
1925,0.0152,0.00019700000000000002,0.00267,0.062
1926,0.015300000000000001,0.000202,0.00283,0.064
1927,0.0155,0.000208,0.00299,0.06570000000000001
1928,0.0157,0.000214,0.00317,0.06709999999999999
1929,0.0159,0.00022,0.0033399999999999997,0.068
1930,0.0162,0.00022700000000000002,0.00352,0.0684
1931,0.0165,0.000235,0.0037099999999999998,0.0683
1932,0.017,0.000245,0.00391,0.0678
1933,0.0175,0.000257,0.00412,0.06709999999999999
1934,0.0181,0.00026900000000000003,0.00435,0.0663
1935,0.0188,0.000283,0.0045899999999999995,0.0653
1936,0.0195,0.000296,0.004849999999999999,0.0644
1937,0.020300000000000002,0.00031,0.00512,0.0635
1938,0.0211,0.000324,0.0054,0.0628
1939,0.0219,0.00033600000000000004,0.00571,0.0624
1940,0.022699999999999998,0.000348,0.006019999999999999,0.062299999999999994
1941,0.0235,0.000359,0.00637,0.0655
1942,0.0245,0.000368,0.00675,0.0741
1943,0.0254,0.000376,0.00717,0.0867
1944,0.0265,0.00038500000000000003,0.00762,0.102
1945,0.027600000000000003,0.000393,0.0081,0.119
1946,0.0287,0.000402,0.00859,0.135
1947,0.0298,0.000412,0.0091,0.151
1948,0.031,0.000423,0.00962,0.163
1949,0.0322,0.00043599999999999997,0.0101,0.172
1950,0.0335,0.000451,0.0107,0.175
1951,0.0347,0.00047099999999999996,0.0112,0.174
1952,0.036,0.000498,0.011800000000000001,0.17
1953,0.037399999999999996,0.000531,0.0123,0.164
1954,0.0389,0.0005679999999999999,0.0129,0.156
1955,0.040299999999999996,0.000609,0.0135,0.148
1956,0.0418,0.000653,0.0141,0.14
1957,0.0433,0.0006979999999999999,0.0147,0.132
1958,0.044700000000000004,0.000743,0.0154,0.126
1959,0.046200000000000005,0.000787,0.0161,0.122
1960,0.0476,0.000829,0.0169,0.12
1961,0.0493,0.000875,0.0177,0.155
1962,0.0514,0.0009270000000000001,0.018699999999999998,0.158
1963,0.053899999999999997,0.000983,0.0197,0.161
1964,0.056600000000000004,0.0010400000000000001,0.0208,0.155
1965,0.0594,0.0011,0.022,0.157
1966,0.062299999999999994,0.00115,0.023100000000000002,0.153
1967,0.065,0.0012,0.0242,0.171
1968,0.0676,0.00123,0.0253,0.177
1969,0.0699,0.00126,0.0264,0.204
1970,0.0702,0.00114,0.028,0.24
1971,0.0694,0.00101,0.0295,0.226
1972,0.0655,0.00101,0.0308,0.231
1973,0.0693,0.0011799999999999998,0.032100000000000004,0.236
1974,0.0691,0.0011899999999999999,0.0332,0.234
1975,0.0669,0.000751,0.0345,0.254
1976,0.0707,0.000785,0.0357,0.255
1977,0.0678,0.000768,0.037,0.271
1978,0.0668,0.0006360000000000001,0.0384,0.254
1979,0.0673,0.000829,0.0399,0.249
1980,0.0694,0.0006770000000000001,0.0415,0.226
1981,0.06659999999999999,0.000639,0.0434,0.222
1982,0.0685,0.00035,0.0455,0.238
1983,0.0695,0.00014299999999999998,0.0475,0.234
1984,0.0706,0.00028100000000000005,0.0501,0.222
1985,0.07440000000000001,0.000337,0.052,0.225
1986,0.0782,0.00032,0.053899999999999997,0.235
1987,0.086,0.00028100000000000005,0.0565,0.255
1988,0.0863,0.000323,0.0591,0.238
1989,0.0876,0.000259,0.0613,0.243
1990,0.09190000000000001,0.000255,0.0638,0.286
1991,0.09670000000000001,0.000264,0.0658,0.248
1992,0.0974,0.00027100000000000003,0.06720000000000001,0.271
1993,0.0952,0.000163,0.0692,0.208
1994,0.09409999999999999,0.000252,0.0718,0.215
1995,0.09390000000000001,0.00034599999999999995,0.0735,0.22
1996,0.0943,0.000339,0.0751,0.267
1997,0.0925,0.000325,0.0773,0.262
1998,0.0947,0.000309,0.0788,0.279
1999,0.0991,0.000305,0.08059999999999999,0.289
2000,0.0999,0.000311,0.08220000000000001,0.277
2001,0.0994,0.000297,0.0834,0.285
2002,0.09759999999999999,0.00029099999999999997,0.0845,0.255
2003,0.09509999999999999,0.00028000000000000003,0.0846,0.247
2004,0.09340000000000001,0.000223,0.0856,0.256
2005,0.0968,0.00027100000000000003,0.0867,0.255
2006,0.0996,0.000225,0.0889,0.242
2007,0.101,0.00016900000000000002,0.09,0.251
2008,0.097,0.000163,0.0911,0.256
2009,0.0997,8.08e-05,0.0925,0.272
2010,0.1,0.000162,0.0912,0.291
2011,0.101,0.000216,0.093,0.302
2012,0.103,0.00017,0.095,0.29
2013,0.105,0.000165,0.097,0.28
2014,0.121,0.000259,0.0987,0.236
2015,0.116,0.00020999999999999998,0.101,0.266
2016,0.112,0.000156,0.1,0.246
2017,0.113,0.000149,0.102,0.249
2018,0.115,0.00014199999999999998,0.103,0.257