year,IPC1,IPC2,IPC4,IPCMAG
1850,0.006889999999999999,0.0,0.00182,0.0006850000000000001
1851,0.00711,2.17e-08,0.00184,0.000728
1852,0.00734,4.71e-08,0.00186,0.0007790000000000001
1853,0.00758,7.610000000000001e-08,0.00188,0.000838
1854,0.00782,1.0900000000000001e-07,0.0019,0.0009040000000000001
1855,0.008060000000000001,1.45e-07,0.0019199999999999998,0.000979
1856,0.00831,1.84e-07,0.0019399999999999999,0.00106
1857,0.00856,2.2699999999999998e-07,0.00196,0.00115
1858,0.00881,2.72e-07,0.00198,0.00125
1859,0.00907,3.21e-07,0.002,0.00135
1860,0.00933,3.73e-07,0.00202,0.00146
1861,0.0096,4.28e-07,0.00204,0.00158
1862,0.009869999999999999,4.85e-07,0.0020499999999999997,0.00171
1863,0.0101,5.46e-07,0.00207,0.00184
1864,0.0104,6.089999999999999e-07,0.00209,0.00198
1865,0.0107,6.74e-07,0.0021000000000000003,0.00213
1866,0.011,7.420000000000001e-07,0.00212,0.00229
1867,0.011300000000000001,8.12e-07,0.00214,0.0024500000000000004
1868,0.0116,8.85e-07,0.00216,0.00261
1869,0.011800000000000001,9.600000000000001e-07,0.00218,0.00279
1870,0.0121,1.04e-06,0.00219,0.00297
1871,0.0124,1.1199999999999999e-06,0.00221,0.00316
1872,0.0127,1.2e-06,0.0022299999999999998,0.00335
1873,0.013,1.28e-06,0.00225,0.0035499999999999998
1874,0.013300000000000001,1.3600000000000001e-06,0.00227,0.00376
1875,0.013699999999999999,1.4499999999999999e-06,0.00229,0.0039700000000000004
1876,0.014,1.5399999999999999e-06,0.00231,0.00419
1877,0.0143,1.6299999999999999e-06,0.00234,0.00441
1878,0.0146,1.72e-06,0.0023599999999999997,0.00464
1879,0.0149,1.81e-06,0.00239,0.00488
1880,0.0152,1.9e-06,0.00242,0.00512
1881,0.0156,2e-06,0.0024500000000000004,0.00537
1882,0.0159,2.09e-06,0.00249,0.00562
1883,0.0162,2.19e-06,0.00254,0.00588
1884,0.0165,2.29e-06,0.00259,0.00615
1885,0.0169,2.39e-06,0.00264,0.00642
1886,0.0172,2.48e-06,0.0027,0.006690000000000001
1887,0.0175,2.58e-06,0.00275,0.00697
1888,0.0178,2.68e-06,0.00281,0.00726
1889,0.0182,2.78e-06,0.0028599999999999997,0.007549999999999999
1890,0.020300000000000002,4.35e-06,0.0031,0.0075
1891,0.020399999999999998,4.6499999999999995e-06,0.00311,0.00766
1892,0.0205,5.03e-06,0.00313,0.008039999999999999
1893,0.0206,5.47e-06,0.00317,0.00862
1894,0.0207,5.96e-06,0.00322,0.00939
1895,0.0208,6.51e-06,0.00328,0.0103
1896,0.0209,7.11e-06,0.00335,0.0114
1897,0.021,7.75e-06,0.00344,0.0126
1898,0.0212,8.43e-06,0.00352,0.013800000000000002
1899,0.0213,9.129999999999999e-06,0.00362,0.0152
1900,0.0214,9.86e-06,0.0037099999999999998,0.0166
1901,0.0222,1.07e-05,0.0038399999999999997,0.0185
1902,0.0242,1.18e-05,0.004,0.0215
1903,0.0272,1.3e-05,0.004200000000000001,0.0251
1904,0.030899999999999997,1.43e-05,0.00444,0.0293
1905,0.0353,1.56e-05,0.0047,0.033600000000000005
1906,0.04,1.6899999999999997e-05,0.0049900000000000005,0.0378
1907,0.044899999999999995,1.8200000000000002e-05,0.00529,0.0418
1908,0.0498,1.93e-05,0.0056,0.045200000000000004
1909,0.0544,2.03e-05,0.0059299999999999995,0.047799999999999995
1910,0.0585,2.11e-05,0.00625,0.0492
1911,0.0625,2.17e-05,0.00658,0.0501
1912,0.0665,2.22e-05,0.0069299999999999995,0.0509
1913,0.0706,2.2599999999999997e-05,0.00729,0.0516
1914,0.0747,2.3e-05,0.007679999999999999,0.0522
1915,0.07890000000000001,2.34e-05,0.0081,0.0528
1916,0.083,2.37e-05,0.00855,0.0533
1917,0.0872,2.41e-05,0.00903,0.053700000000000005
1918,0.09129999999999999,2.4500000000000003e-05,0.00956,0.054
1919,0.0953,2.5e-05,0.0101,0.054299999999999994
1920,0.0993,2.55e-05,0.0107,0.0544
1921,0.103,2.6e-05,0.0114,0.054200000000000005
1922,0.107,2.66e-05,0.0123,0.0538
1923,0.11,2.7300000000000003e-05,0.0132,0.0533
1924,0.114,2.79e-05,0.014199999999999999,0.0525
1925,0.118,2.86e-05,0.0154,0.0517
1926,0.121,2.94e-05,0.0166,0.0509
1927,0.125,3.0200000000000002e-05,0.0179,0.0502
1928,0.129,3.11e-05,0.0192,0.0496
1929,0.133,3.2e-05,0.0206,0.0492
1930,0.137,3.3e-05,0.0221,0.049100000000000005
1931,0.141,3.4200000000000005e-05,0.0237,0.0494
1932,0.144,3.57e-05,0.0254,0.0503
1933,0.148,3.74e-05,0.0273,0.0516
1934,0.152,3.92e-05,0.0294,0.053399999999999996
1935,0.156,4.1099999999999996e-05,0.0315,0.0554
1936,0.16,4.31e-05,0.0338,0.0576
1937,0.165,4.51e-05,0.0362,0.06
1938,0.17,4.7e-05,0.038799999999999994,0.0624
1939,0.175,4.88e-05,0.0414,0.06470000000000001
1940,0.182,5.06e-05,0.044,0.0668
1941,0.189,5.21e-05,0.0469,0.0688
1942,0.199,5.35e-05,0.0499,0.0707
1943,0.21,5.47e-05,0.053200000000000004,0.0725
1944,0.223,5.59e-05,0.056600000000000004,0.07429999999999999
1945,0.237,5.72e-05,0.060200000000000004,0.0762
1946,0.251,5.8500000000000006e-05,0.0639,0.07840000000000001
1947,0.267,5.9999999999999995e-05,0.0678,0.0808
1948,0.283,6.16e-05,0.0717,0.0835
1949,0.3,6.35e-05,0.0756,0.0867
1950,0.316,6.57e-05,0.0795,0.0905
1951,0.334,6.86e-05,0.0835,0.097
1952,0.353,7.25e-05,0.0875,0.108
1953,0.373,7.73e-05,0.0917,0.122
1954,0.395,8.28e-05,0.0959,0.139
1955,0.417,8.87e-05,0.1,0.156
1956,0.44,9.510000000000001e-05,0.105,0.174
1957,0.464,0.000102,0.109,0.192
1958,0.488,0.000108,0.114,0.207
1959,0.511,0.000115,0.119,0.22
1960,0.535,0.000121,0.124,0.229
1961,0.557,0.000126,0.13,0.229
1962,0.575,0.000131,0.136,0.229
1963,0.592,0.000136,0.142,0.226
1964,0.609,0.00014099999999999998,0.148,0.227
1965,0.627,0.000146,0.155,0.229
1966,0.648,0.000152,0.162,0.235
1967,0.673,0.000158,0.169,0.245
1968,0.705,0.000166,0.176,0.233
1969,0.743,0.000175,0.182,0.231
1970,0.666,0.000166,0.186,0.237
1971,1.06,0.000165,0.196,0.229
1972,1.3,0.00017199999999999998,0.2,0.245
1973,1.39,0.000162,0.205,0.241
1974,1.12,0.000164,0.216,0.256
1975,1.16,0.000157,0.222,0.267
1976,1.39,0.000153,0.23,0.256
1977,0.957,0.000149,0.241,0.259
1978,0.921,0.000154,0.249,0.262
1979,0.947,0.00017199999999999998,0.257,0.271
1980,0.77,0.00017,0.265,0.273
1981,0.425,0.000153,0.269,0.279
1982,0.326,0.000126,0.268,0.282
1983,0.272,0.000134,0.281,0.28
1984,0.278,0.000164,0.289,0.274
1985,0.24,7.580000000000001e-05,0.293,0.246
1986,0.182,7.31e-05,0.298,0.247
1987,0.168,7.45e-05,0.303,0.256
1988,0.154,0.00044,0.313,0.26
1989,0.169,0.00155,0.316,0.26
1990,0.224,0.0015400000000000001,0.323,0.255
1991,0.182,0.00155,0.342,0.258
1992,0.179,0.00156,0.384,0.264
1993,0.162,0.00157,0.4,0.273
1994,0.203,0.00152,0.412,0.282
1995,0.219,0.00185,0.428,0.287
1996,0.227,0.00174,0.435,0.291
1997,0.208,0.0021000000000000003,0.436,0.3
1998,0.187,0.00175,0.449,0.304
1999,0.185,0.0020499999999999997,0.468,0.301
2000,0.174,0.00365,0.488,0.297
2001,0.177,0.00373,0.498,0.291
2002,0.168,0.00513,0.507,0.286
2003,0.157,0.00646,0.52,0.282
2004,0.148,0.00483,0.556,0.283
2005,0.149,0.0038900000000000002,0.552,0.28
2006,0.139,0.0035299999999999997,0.571,0.274
2007,0.132,0.00316,0.575,0.263
2008,0.134,0.00279,0.566,0.266
2009,0.136,0.0024,0.568,0.268
2010,0.134,0.0019399999999999999,0.476,0.267
2011,0.13,0.00148,0.527,0.265
2012,0.136,0.000862,0.54,0.267
2013,0.161,0.000406,0.545,0.221
2014,0.143,0.000374,0.55,0.222
2015,0.132,0.000438,0.545,0.201
2016,0.142,0.000467,0.551,0.205
2017,0.133,8.24e-05,0.552,0.206
2018,0.131,8.21e-05,0.553,0.219