year,IPC1,IPC2,IPC4,IPCMAG
1850,0.018600000000000002,0.0,0.00102,0.00297
1851,0.0192,9.100000000000001e-08,0.00103,0.00316
1852,0.019899999999999998,1.98e-07,0.0010400000000000001,0.0033799999999999998
1853,0.0205,3.19e-07,0.0010500000000000002,0.00363
1854,0.0211,4.56e-07,0.00106,0.00392
1855,0.0218,6.07e-07,0.00107,0.00425
1856,0.0225,7.72e-07,0.00108,0.0046
1857,0.023100000000000002,9.51e-07,0.00109,0.0049900000000000005
1858,0.0238,1.1399999999999999e-06,0.0011,0.00541
1859,0.0245,1.35e-06,0.00111,0.00587
1860,0.0252,1.57e-06,0.0011200000000000001,0.00635
1861,0.026,1.79e-06,0.00113,0.00687
1862,0.026699999999999998,2.04e-06,0.00114,0.0074199999999999995
1863,0.027399999999999997,2.29e-06,0.00115,0.008
1864,0.0282,2.55e-06,0.00116,0.00861
1865,0.0289,2.83e-06,0.00117,0.00925
1866,0.0297,3.11e-06,0.0011799999999999998,0.00991
1867,0.0305,3.41e-06,0.0011899999999999999,0.0106
1868,0.0312,3.71e-06,0.0012,0.011300000000000001
1869,0.032,4.0299999999999995e-06,0.00121,0.0121
1870,0.032799999999999996,4.35e-06,0.00122,0.0129
1871,0.033600000000000005,4.68e-06,0.00123,0.013699999999999999
1872,0.0344,5.02e-06,0.00124,0.0145
1873,0.0353,5.369999999999999e-06,0.00125,0.0154
1874,0.0361,5.72e-06,0.00126,0.016300000000000002
1875,0.036899999999999995,6.09e-06,0.00128,0.0172
1876,0.0378,6.45e-06,0.0012900000000000001,0.0182
1877,0.0386,6.83e-06,0.0013,0.019100000000000002
1878,0.0395,7.2100000000000004e-06,0.00131,0.0201
1879,0.040299999999999996,7.6e-06,0.00133,0.0212
1880,0.0412,7.99e-06,0.00134,0.0222
1881,0.0421,8.380000000000001e-06,0.00136,0.0233
1882,0.0429,8.779999999999999e-06,0.00139,0.024399999999999998
1883,0.0438,9.19e-06,0.00141,0.0255
1884,0.044700000000000004,9.6e-06,0.0014399999999999999,0.026699999999999998
1885,0.0456,1e-05,0.00147,0.027800000000000002
1886,0.0465,1.0399999999999999e-05,0.0015,0.029
1887,0.0474,1.08e-05,0.0015300000000000001,0.030199999999999998
1888,0.048299999999999996,1.1299999999999999e-05,0.00156,0.0315
1889,0.0492,1.17e-05,0.00159,0.0327
1890,0.055,1.8200000000000002e-05,0.00172,0.032600000000000004
1891,0.0551,1.95e-05,0.00173,0.033
1892,0.0551,2.11e-05,0.00174,0.0338
1893,0.0551,2.29e-05,0.00176,0.035
1894,0.055200000000000006,2.5e-05,0.0017900000000000001,0.0365
1895,0.055200000000000006,2.7300000000000003e-05,0.00183,0.038299999999999994
1896,0.055200000000000006,2.99e-05,0.0018700000000000001,0.0404
1897,0.055299999999999995,3.2500000000000004e-05,0.00191,0.0427
1898,0.055299999999999995,3.54e-05,0.00196,0.0451
1899,0.0554,3.83e-05,0.0020099999999999996,0.047700000000000006
1900,0.0554,4.14e-05,0.00207,0.0504
1901,0.0574,4.4999999999999996e-05,0.00214,0.0541
1902,0.063,4.94e-05,0.0022299999999999998,0.0596
1903,0.0714,5.4399999999999994e-05,0.00234,0.0664
1904,0.08220000000000001,5.99e-05,0.0024700000000000004,0.0741
1905,0.0947,6.55e-05,0.00262,0.08209999999999999
1906,0.108,7.099999999999999e-05,0.00278,0.09
1907,0.122,7.630000000000001e-05,0.00294,0.0974
1908,0.136,8.11e-05,0.00312,0.104
1909,0.15,8.52e-05,0.0033,0.109
1910,0.162,8.840000000000001e-05,0.00348,0.111
1911,0.173,9.09e-05,0.00366,0.113
1912,0.185,9.3e-05,0.0038599999999999997,0.115
1913,0.197,9.48e-05,0.004059999999999999,0.116
1914,0.209,9.65e-05,0.00428,0.117
1915,0.221,9.800000000000001e-05,0.00451,0.119
1916,0.233,9.96e-05,0.0047599999999999995,0.12
1917,0.246,0.000101,0.005030000000000001,0.121
1918,0.258,0.000103,0.00532,0.121
1919,0.27,0.00010499999999999999,0.00564,0.122
1920,0.281,0.000107,0.00598,0.122
1921,0.292,0.00010899999999999999,0.00637,0.122
1922,0.303,0.000112,0.00683,0.122
1923,0.314,0.000114,0.00735,0.122
1924,0.325,0.00011700000000000001,0.00792,0.121
1925,0.336,0.00011999999999999999,0.00855,0.121
1926,0.347,0.000123,0.00922,0.12
1927,0.357,0.000127,0.00994,0.12
1928,0.369,0.00013000000000000002,0.0107,0.119
1929,0.38,0.000134,0.0115,0.119
1930,0.392,0.00013900000000000002,0.0123,0.119
1931,0.404,0.00014399999999999998,0.0132,0.12
1932,0.415,0.00015,0.014199999999999999,0.121
1933,0.426,0.000157,0.0152,0.123
1934,0.437,0.000164,0.016399999999999998,0.126
1935,0.449,0.00017199999999999998,0.0176,0.129
1936,0.461,0.00018099999999999998,0.0188,0.133
1937,0.474,0.000189,0.0202,0.136
1938,0.489,0.00019700000000000002,0.0216,0.14
1939,0.506,0.000205,0.023,0.144
1940,0.525,0.000212,0.0245,0.148
1941,0.548,0.000219,0.0261,0.152
1942,0.576,0.000224,0.027800000000000002,0.155
1943,0.61,0.00023,0.0296,0.159
1944,0.647,0.000235,0.0315,0.162
1945,0.689,0.00023999999999999998,0.0335,0.166
1946,0.733,0.000246,0.0356,0.17
1947,0.779,0.000252,0.037700000000000004,0.175
1948,0.827,0.000258,0.0399,0.18
1949,0.876,0.000266,0.0421,0.186
1950,0.926,0.00027600000000000004,0.0443,0.193
1951,0.978,0.00028799999999999995,0.0465,0.206
1952,1.03,0.000304,0.0487,0.226
1953,1.09,0.000324,0.051,0.252
1954,1.16,0.000347,0.053399999999999996,0.283
1955,1.22,0.000372,0.055799999999999995,0.315
1956,1.29,0.000399,0.0582,0.349
1957,1.36,0.000426,0.0608,0.381
1958,1.43,0.00045400000000000003,0.0635,0.41
1959,1.5,0.000481,0.06620000000000001,0.434
1960,1.57,0.000506,0.0691,0.451
1961,1.63,0.00053,0.0722,0.448
1962,1.68,0.0005510000000000001,0.0755,0.452
1963,1.73,0.0005719999999999999,0.079,0.466
1964,1.78,0.000592,0.08259999999999999,0.484
1965,1.83,0.000614,0.0864,0.501
1966,1.89,0.000638,0.0902,0.516
1967,1.97,0.000665,0.094,0.531
1968,2.06,0.000696,0.09770000000000001,0.547
1969,2.18,0.000733,0.101,0.564
1970,2.01,0.0006720000000000001,0.104,0.589
1971,1.78,0.000555,0.113,0.577
1972,1.6,0.0006540000000000001,0.117,0.58
1973,1.65,0.0006879999999999999,0.121,0.593
1974,1.23,0.00068,0.126,0.607
1975,0.699,0.000553,0.131,0.626
1976,0.736,0.000607,0.137,0.639
1977,0.726,0.0007009999999999999,0.142,0.658
1978,0.674,0.000646,0.147,0.689
1979,0.731,0.000707,0.152,0.721
1980,0.707,0.000642,0.158,0.742
1981,0.674,0.0005819999999999999,0.164,0.761
1982,0.65,0.00038,0.17,0.775
1983,0.635,0.000323,0.174,0.776
1984,0.661,0.000439,0.18,0.776
1985,0.63,0.00045900000000000004,0.188,0.802
1986,0.744,0.00046600000000000005,0.194,0.821
1987,0.824,0.00047299999999999995,0.201,0.855
1988,0.85,0.000495,0.207,0.857
1989,0.794,0.000489,0.213,0.855
1990,0.931,0.000451,0.219,0.874
1991,0.969,0.000431,0.224,0.902
1992,1.0,0.000432,0.23,0.909
1993,1.15,0.000431,0.235,0.893
1994,1.21,0.0017,0.244,0.923
1995,1.51,0.00322,0.265,0.931
1996,1.51,0.00322,0.273,0.92
1997,1.62,0.0033599999999999997,0.277,0.933
1998,1.69,0.00349,0.281,0.952
1999,1.5,0.0035,0.287,0.96
2000,1.55,0.0035499999999999998,0.295,0.98
2001,1.42,0.0035,0.302,1.01
2002,1.33,0.00347,0.303,1.02
2003,1.24,0.00346,0.31,1.05
2004,1.37,0.0035099999999999997,0.317,1.07
2005,1.33,0.00354,0.322,1.1
2006,1.33,0.00357,0.33,1.1
2007,1.29,0.00361,0.337,1.12
2008,1.34,0.00364,0.339,1.13
2009,1.31,0.00361,0.342,1.14
2010,1.32,0.00363,0.348,0.958
2011,1.44,0.00367,0.354,0.961
2012,1.56,0.0037099999999999998,0.357,1.12
2013,1.65,0.0037099999999999998,0.363,1.13
2014,1.71,0.0037,0.366,1.13
2015,1.63,0.0037,0.361,1.11
2016,1.62,0.00375,0.375,1.07
2017,1.65,0.00377,0.38,1.07
2018,1.68,0.00379,0.385,1.1