year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000182,4.7600000000000003e-07,0.0165,0.0104
1851,0.000183,9e-07,0.0165,0.011699999999999999
1852,0.000184,1.33e-06,0.016399999999999998,0.013
1853,0.000185,1.76e-06,0.016399999999999998,0.0143
1854,0.000186,2.2e-06,0.016300000000000002,0.0155
1855,0.000187,2.64e-06,0.016300000000000002,0.016800000000000002
1856,0.000188,3.09e-06,0.0162,0.018
1857,0.00019,3.54e-06,0.0162,0.0192
1858,0.000191,4e-06,0.0162,0.020300000000000002
1859,0.000192,4.4600000000000005e-06,0.0161,0.0215
1860,0.000193,4.9199999999999995e-06,0.0161,0.022600000000000002
1861,0.000194,5.39e-06,0.0161,0.0237
1862,0.000195,5.86e-06,0.0161,0.0247
1863,0.00019600000000000002,6.3299999999999995e-06,0.0161,0.0258
1864,0.00019800000000000002,6.81e-06,0.0161,0.0268
1865,0.000199,7.29e-06,0.0161,0.027800000000000002
1866,0.0002,7.78e-06,0.0161,0.0288
1867,0.000201,8.269999999999999e-06,0.0161,0.0297
1868,0.000202,8.76e-06,0.0161,0.030600000000000002
1869,0.000204,9.26e-06,0.0161,0.0315
1870,0.000205,9.76e-06,0.0161,0.0324
1871,0.000206,1.03e-05,0.0161,0.0332
1872,0.000207,1.08e-05,0.0161,0.034
1873,0.00020899999999999998,1.1299999999999999e-05,0.0162,0.0348
1874,0.00020999999999999998,1.18e-05,0.0162,0.0356
1875,0.000211,1.23e-05,0.016300000000000002,0.0363
1876,0.000212,1.2800000000000001e-05,0.016399999999999998,0.037
1877,0.000214,1.33e-05,0.016399999999999998,0.037700000000000004
1878,0.000215,1.3899999999999999e-05,0.0165,0.0384
1879,0.000216,1.44e-05,0.0166,0.039
1880,0.00021799999999999999,1.49e-05,0.0167,0.0396
1881,0.000219,1.54e-05,0.0167,0.0402
1882,0.00022,1.6e-05,0.016800000000000002,0.0407
1883,0.000222,1.65e-05,0.0169,0.041299999999999996
1884,0.000223,1.7e-05,0.017,0.0418
1885,0.000224,1.76e-05,0.0171,0.0422
1886,0.00022600000000000002,1.8100000000000003e-05,0.0172,0.0427
1887,0.00022700000000000002,1.87e-05,0.0174,0.0431
1888,0.000228,1.92e-05,0.0175,0.0435
1889,0.00023,1.9699999999999998e-05,0.0176,0.0438
1890,0.000255,3.03e-05,0.0176,0.0446
1891,0.000264,3.24e-05,0.0176,0.044700000000000004
1892,0.00027400000000000005,3.5000000000000004e-05,0.0176,0.0448
1893,0.00028399999999999996,3.8100000000000005e-05,0.0177,0.045
1894,0.00029499999999999996,4.15e-05,0.0177,0.0451
1895,0.000307,4.5199999999999994e-05,0.0177,0.0453
1896,0.00032,4.93e-05,0.0178,0.0455
1897,0.000333,5.37e-05,0.0178,0.045700000000000005
1898,0.00034599999999999995,5.83e-05,0.0178,0.045899999999999996
1899,0.00035999999999999997,6.31e-05,0.0179,0.0461
1900,0.000375,6.809999999999999e-05,0.0179,0.046299999999999994
1901,0.00040300000000000004,7.39e-05,0.018,0.0465
1902,0.000456,8.1e-05,0.018,0.046700000000000005
1903,0.000528,8.91e-05,0.0181,0.0469
1904,0.000615,9.779999999999999e-05,0.0181,0.047200000000000006
1905,0.0007099999999999999,0.000107,0.0181,0.0474
1906,0.000809,0.000116,0.0182,0.047700000000000006
1907,0.000906,0.000124,0.0182,0.048
1908,0.000997,0.000132,0.0183,0.048299999999999996
1909,0.00108,0.00013900000000000002,0.0183,0.048600000000000004
1910,0.00114,0.00014399999999999998,0.0184,0.0489
1911,0.0011899999999999999,0.000148,0.0184,0.0493
1912,0.00123,0.00015099999999999998,0.0185,0.0497
1913,0.00128,0.000154,0.0185,0.0501
1914,0.00132,0.000157,0.018600000000000002,0.0505
1915,0.00135,0.00016,0.018600000000000002,0.0509
1916,0.00139,0.000162,0.018699999999999998,0.0514
1917,0.0014299999999999998,0.000165,0.018699999999999998,0.0519
1918,0.00146,0.00016800000000000002,0.0188,0.052399999999999995
1919,0.0015,0.000171,0.0189,0.053
1920,0.0015300000000000001,0.000174,0.019,0.0536
1921,0.00157,0.000178,0.019100000000000002,0.054700000000000006
1922,0.0016,0.000182,0.019399999999999997,0.056299999999999996
1923,0.00163,0.000187,0.0197,0.0585
1924,0.00166,0.000191,0.0201,0.061
1925,0.0016899999999999999,0.00019600000000000002,0.0206,0.0636
1926,0.00173,0.000201,0.0211,0.06620000000000001
1927,0.00177,0.000207,0.0216,0.0686
1928,0.00181,0.000213,0.0222,0.0706
1929,0.00186,0.000219,0.0228,0.072
1930,0.0019199999999999998,0.00022600000000000002,0.0233,0.0728
1931,0.0020099999999999996,0.00023400000000000002,0.024,0.0729
1932,0.00216,0.000244,0.0247,0.0726
1933,0.0023599999999999997,0.000255,0.0254,0.0721
1934,0.00257,0.00026700000000000004,0.026199999999999998,0.0713
1935,0.0028,0.00028000000000000003,0.027100000000000003,0.0705
1936,0.0030299999999999997,0.000294,0.028,0.0697
1937,0.0032400000000000003,0.000307,0.029,0.069
1938,0.0034100000000000003,0.00032,0.03,0.0685
1939,0.00354,0.000333,0.031,0.0683
1940,0.0036,0.00034399999999999996,0.032100000000000004,0.0685
1941,0.00362,0.000354,0.033100000000000004,0.0689
1942,0.00363,0.000364,0.0342,0.0694
1943,0.00364,0.000372,0.0352,0.0698
1944,0.00364,0.000381,0.0363,0.0703
1945,0.00364,0.000389,0.0375,0.0709
1946,0.00366,0.000398,0.038799999999999994,0.0714
1947,0.00368,0.000408,0.040299999999999996,0.072
1948,0.0037099999999999998,0.000419,0.0419,0.0727
1949,0.00376,0.000432,0.0436,0.0734
1950,0.00383,0.000447,0.0456,0.0741
1951,0.00462,0.000467,0.0485,0.0757
1952,0.00663,0.000494,0.0526,0.0787
1953,0.00956,0.000526,0.0576,0.08270000000000001
1954,0.013099999999999999,0.0005639999999999999,0.0633,0.0875
1955,0.0169,0.000605,0.0694,0.09259999999999999
1956,0.0208,0.0006490000000000001,0.07540000000000001,0.09770000000000001
1957,0.024300000000000002,0.0006929999999999999,0.08109999999999999,0.102
1958,0.0273,0.0007379999999999999,0.0862,0.106
1959,0.0293,0.000782,0.09040000000000001,0.109
1960,0.030199999999999998,0.000824,0.09340000000000001,0.111
1961,0.030199999999999998,0.000861,0.09540000000000001,0.114
1962,0.03,0.000892,0.09709999999999999,0.118
1963,0.0298,0.000921,0.0985,0.121
1964,0.0295,0.00095,0.0998,0.126
1965,0.0291,0.00098,0.101,0.126
1966,0.0287,0.00102,0.102,0.131
1967,0.028300000000000002,0.00106,0.103,0.132
1968,0.028,0.00111,0.105,0.133
1969,0.027800000000000002,0.0011799999999999998,0.106,0.14
1970,0.030899999999999997,0.00107,0.108,0.142
1971,0.0308,0.000996,0.115,0.143
1972,0.0317,0.00106,0.119,0.145
1973,0.0325,0.0009519999999999999,0.122,0.153
1974,0.0341,0.000795,0.126,0.161
1975,0.0359,0.000909,0.129,0.168
1976,0.0363,0.0008179999999999999,0.132,0.17
1977,0.0366,0.000662,0.135,0.176
1978,0.477,0.000592,0.138,0.179
1979,0.507,0.000652,0.14,0.182
1980,0.539,0.0005,0.142,0.182
1981,0.567,0.000482,0.145,0.187
1982,0.591,0.00038500000000000003,0.147,0.183
1983,0.614,0.000322,0.15,0.186
1984,0.636,0.000416,0.152,0.188
1985,0.662,0.0004,0.155,0.192
1986,0.648,0.000373,0.157,0.195
1987,0.629,0.000383,0.16,0.198
1988,0.617,0.00038700000000000003,0.163,0.201
1989,0.602,0.00039200000000000004,0.168,0.192
1990,0.582,0.00039600000000000003,0.171,0.183
1991,0.552,0.00039600000000000003,0.174,0.175
1992,0.516,0.00039600000000000003,0.176,0.174
1993,0.482,0.000397,0.179,0.171
1994,0.453,0.000397,0.182,0.17
1995,0.426,0.00033400000000000004,0.183,0.164
1996,0.444,0.000335,0.183,0.15
1997,0.436,0.000285,0.185,0.151
1998,0.398,0.000235,0.184,0.151
1999,0.445,0.000235,0.186,0.155
2000,0.475,0.000237,0.188,0.149
2001,0.486,0.000237,0.19,0.157
2002,0.469,0.000237,0.192,0.16
2003,0.482,0.000237,0.193,0.161
2004,0.505,0.000237,0.195,0.16
2005,0.549,0.000237,0.197,0.161
2006,0.557,0.000237,0.198,0.161
2007,0.485,0.000237,0.199,0.161
2008,0.516,0.00022600000000000002,0.2,0.159
2009,0.406,6.27e-05,0.202,0.159
2010,0.406,6.33e-05,0.203,0.16
2011,0.408,6.4e-05,0.205,0.161
2012,0.414,6.46e-05,0.205,0.161
2013,0.427,6.419999999999999e-05,0.206,0.156
2014,0.434,6.419999999999999e-05,0.208,0.152
2015,0.443,6.419999999999999e-05,0.209,0.141
2016,0.41,1.9900000000000003e-05,0.211,0.142
2017,0.403,2.01e-05,0.212,0.144
2018,0.396,2.04e-05,0.213,0.143