year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0067599999999999995,8.09e-08,0.011699999999999999,0.206
1851,0.0068,1.53e-07,0.011699999999999999,0.232
1852,0.00684,2.2599999999999999e-07,0.0116,0.258
1853,0.00687,3e-07,0.0116,0.284
1854,0.00691,3.74e-07,0.0116,0.309
1855,0.0069500000000000004,4.49e-07,0.0115,0.333
1856,0.0069900000000000006,5.25e-07,0.0115,0.357
1857,0.007030000000000001,6.02e-07,0.0115,0.381
1858,0.00708,6.79e-07,0.0114,0.404
1859,0.0071200000000000005,7.57e-07,0.0114,0.427
1860,0.0071600000000000006,8.36e-07,0.0114,0.449
1861,0.0072,9.15e-07,0.0114,0.47
1862,0.00724,9.95e-07,0.0114,0.491
1863,0.00729,1.08e-06,0.0114,0.512
1864,0.00733,1.16e-06,0.0114,0.532
1865,0.00737,1.24e-06,0.0114,0.552
1866,0.0074199999999999995,1.32e-06,0.0114,0.571
1867,0.00746,1.41e-06,0.0114,0.59
1868,0.00751,1.49e-06,0.0114,0.608
1869,0.007549999999999999,1.57e-06,0.0114,0.626
1870,0.0076,1.66e-06,0.0114,0.643
1871,0.0076500000000000005,1.74e-06,0.0114,0.66
1872,0.007690000000000001,1.83e-06,0.0114,0.676
1873,0.00774,1.9200000000000003e-06,0.0115,0.691
1874,0.00779,2e-06,0.0115,0.707
1875,0.00783,2.09e-06,0.0115,0.721
1876,0.00788,2.18e-06,0.0116,0.735
1877,0.00793,2.27e-06,0.0116,0.749
1878,0.007980000000000001,2.3600000000000003e-06,0.011699999999999999,0.762
1879,0.008029999999999999,2.44e-06,0.011800000000000001,0.775
1880,0.00808,2.5300000000000003e-06,0.011800000000000001,0.787
1881,0.008119999999999999,2.62e-06,0.0119,0.798
1882,0.00817,2.7100000000000003e-06,0.0119,0.809
1883,0.00822,2.8e-06,0.012,0.819
1884,0.00827,2.8999999999999998e-06,0.0121,0.829
1885,0.008320000000000001,2.99e-06,0.0121,0.839
1886,0.00838,3.0799999999999997e-06,0.012199999999999999,0.848
1887,0.00843,3.17e-06,0.0123,0.856
1888,0.00848,3.2599999999999997e-06,0.0124,0.864
1889,0.00853,3.36e-06,0.0124,0.871
1890,0.00996,5.23e-06,0.0134,0.869
1891,0.0105,5.6100000000000005e-06,0.013699999999999999,0.877
1892,0.0111,6.0699999999999995e-06,0.014,0.884
1893,0.011699999999999999,6.61e-06,0.0143,0.89
1894,0.0124,7.2100000000000004e-06,0.0147,0.896
1895,0.013099999999999999,7.879999999999999e-06,0.015099999999999999,0.901
1896,0.013900000000000001,8.609999999999999e-06,0.0155,0.905
1897,0.0146,9.38e-06,0.016,0.908
1898,0.0155,1.02e-05,0.0165,0.911
1899,0.016300000000000002,1.1e-05,0.017,0.913
1900,0.0172,1.1900000000000001e-05,0.0176,0.914
1901,0.0181,1.3e-05,0.0182,0.913
1902,0.0192,1.4200000000000001e-05,0.0188,0.911
1903,0.020300000000000002,1.57e-05,0.019600000000000003,0.908
1904,0.0215,1.72e-05,0.020300000000000002,0.905
1905,0.022699999999999998,1.88e-05,0.0212,0.901
1906,0.023899999999999998,2.04e-05,0.022,0.897
1907,0.0251,2.19e-05,0.0229,0.893
1908,0.0263,2.3199999999999998e-05,0.0238,0.89
1909,0.0273,2.44e-05,0.0247,0.888
1910,0.028300000000000002,2.53e-05,0.0256,0.887
1911,0.0291,2.6e-05,0.0264,0.89
1912,0.03,2.6700000000000002e-05,0.027399999999999997,0.898
1913,0.0308,2.7199999999999997e-05,0.028300000000000002,0.908
1914,0.0316,2.77e-05,0.0292,0.921
1915,0.032299999999999995,2.82e-05,0.030199999999999998,0.935
1916,0.033100000000000004,2.86e-05,0.0312,0.948
1917,0.0338,2.91e-05,0.0322,0.961
1918,0.0345,2.96e-05,0.0332,0.972
1919,0.0352,3.01e-05,0.0342,0.979
1920,0.0359,3.07e-05,0.0352,0.982
1921,0.0366,3.14e-05,0.0362,0.977
1922,0.037200000000000004,3.22e-05,0.0373,0.964
1923,0.0378,3.29e-05,0.038299999999999994,0.944
1924,0.0384,3.37e-05,0.0394,0.92
1925,0.0391,3.46e-05,0.0404,0.893
1926,0.039700000000000006,3.5499999999999996e-05,0.0415,0.867
1927,0.040299999999999996,3.65e-05,0.0426,0.842
1928,0.0409,3.76e-05,0.0438,0.822
1929,0.0416,3.87e-05,0.044899999999999995,0.809
1930,0.0423,3.99e-05,0.0461,0.804
1931,0.0431,4.14e-05,0.047299999999999995,0.81
1932,0.0442,4.31e-05,0.0485,0.825
1933,0.045399999999999996,4.51e-05,0.0497,0.847
1934,0.046700000000000005,4.7300000000000005e-05,0.0509,0.874
1935,0.048100000000000004,4.96e-05,0.0522,0.902
1936,0.0495,5.2e-05,0.0535,0.931
1937,0.0508,5.4399999999999994e-05,0.054799999999999995,0.958
1938,0.0522,5.67e-05,0.0562,0.98
1939,0.053399999999999996,5.89e-05,0.0576,0.995
1940,0.0544,6.1e-05,0.0591,1.0
1941,0.055299999999999995,6.28e-05,0.0606,1.0
1942,0.056,6.44e-05,0.062200000000000005,1.0
1943,0.0567,6.59e-05,0.0638,1.0
1944,0.0573,6.74e-05,0.0655,0.999
1945,0.0579,6.890000000000001e-05,0.0673,0.998
1946,0.0585,7.049999999999999e-05,0.0691,0.997
1947,0.0593,7.22e-05,0.071,0.996
1948,0.0601,7.42e-05,0.0729,0.996
1949,0.0611,7.65e-05,0.075,0.996
1950,0.062200000000000005,7.91e-05,0.07709999999999999,0.996
1951,0.0639,8.26e-05,0.0793,0.999
1952,0.0665,8.740000000000001e-05,0.08159999999999999,1.0
1953,0.0696,9.32e-05,0.0841,1.01
1954,0.0733,9.99e-05,0.0866,1.02
1955,0.0773,0.000107,0.08929999999999999,1.03
1956,0.08159999999999999,0.000115,0.09209999999999999,1.04
1957,0.0859,0.000123,0.095,1.05
1958,0.0901,0.000131,0.098,1.06
1959,0.094,0.00013800000000000002,0.101,1.06
1960,0.0975,0.000146,0.105,1.07
1961,0.101,0.000154,0.108,1.01
1962,0.104,0.000163,0.112,1.08
1963,0.107,0.00017299999999999998,0.117,1.14
1964,0.11,0.000183,0.121,1.19
1965,0.113,0.000193,0.126,1.18
1966,0.116,0.000202,0.131,1.12
1967,0.119,0.00020999999999999998,0.136,1.17
1968,0.122,0.000217,0.141,1.2
1969,0.126,0.000221,0.145,1.19
1970,0.128,0.000222,0.147,1.22
1971,0.128,0.000217,0.152,1.22
1972,0.127,0.00023300000000000003,0.157,1.2
1973,0.127,0.00023799999999999998,0.16,1.28
1974,0.13,0.000236,0.164,1.27
1975,0.134,0.000268,0.168,1.31
1976,0.137,0.000311,0.172,1.29
1977,0.139,0.000312,0.175,1.31
1978,0.14,0.00030199999999999997,0.18,1.35
1979,0.142,0.00028100000000000005,0.184,1.28
1980,0.145,0.00027400000000000005,0.188,1.36
1981,0.149,0.000303,0.193,1.38
1982,0.152,0.000308,0.198,1.36
1983,0.155,0.000292,0.203,1.41
1984,0.163,0.00030199999999999997,0.208,1.39
1985,0.177,0.000312,0.213,1.41
1986,0.188,0.00033600000000000004,0.219,1.42
1987,0.185,0.00035099999999999997,0.223,1.41
1988,0.175,0.000378,0.228,1.42
1989,0.195,0.00029299999999999997,0.233,1.38
1990,0.232,0.00029299999999999997,0.236,1.4
1991,0.221,0.00029299999999999997,0.239,1.38
1992,0.226,0.00029299999999999997,0.242,1.46
1993,0.198,0.00029299999999999997,0.246,1.54
1994,0.186,0.00029299999999999997,0.249,1.58
1995,0.185,0.00029299999999999997,0.252,1.65
1996,0.178,0.00029299999999999997,0.256,1.62
1997,0.188,0.00029299999999999997,0.26,1.57
1998,0.191,0.00029299999999999997,0.264,1.6
1999,0.2,0.00029299999999999997,0.267,1.73
2000,0.224,0.00029299999999999997,0.272,1.76
2001,0.228,0.00019600000000000002,0.274,1.8
2002,0.235,9.779999999999999e-05,0.278,1.81
2003,0.267,9.97e-05,0.281,1.86
2004,0.289,0.000106,0.284,1.93
2005,0.31,0.000115,0.287,2.03
2006,0.316,0.000129,0.29,2.16
2007,0.33,0.000146,0.293,2.21
2008,0.318,0.00016700000000000002,0.296,2.24
2009,0.306,0.000191,0.298,2.28
2010,0.312,0.000219,0.303,2.31
2011,0.311,0.00028799999999999995,0.305,2.23
2012,0.314,0.00028799999999999995,0.309,2.23
2013,0.318,0.000287,0.313,2.26
2014,0.354,0.000287,0.317,2.3
2015,0.384,0.000287,0.319,2.35
2016,0.367,0.000313,0.322,2.39
2017,0.375,0.000328,0.325,2.4
2018,0.383,0.00034300000000000004,0.328,2.34