year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00996,0.0,0.0020800000000000003,0.00257
1851,0.0103,4.78e-07,0.0021000000000000003,0.00273
1852,0.0106,1.04e-06,0.00212,0.00292
1853,0.011,1.68e-06,0.00214,0.00314
1854,0.011300000000000001,2.39e-06,0.00217,0.0033900000000000002
1855,0.011699999999999999,3.19e-06,0.00219,0.00367
1856,0.012,4.05e-06,0.00221,0.00398
1857,0.0124,4.99e-06,0.0022299999999999998,0.00432
1858,0.0127,6e-06,0.00225,0.00468
1859,0.013099999999999999,7.08e-06,0.00228,0.00507
1860,0.0135,8.22e-06,0.0023,0.00549
1861,0.013900000000000001,9.43e-06,0.00232,0.00594
1862,0.0143,1.07e-05,0.00234,0.00641
1863,0.0147,1.2e-05,0.0023599999999999997,0.00691
1864,0.015099999999999999,1.34e-05,0.0023799999999999997,0.00744
1865,0.0155,1.49e-05,0.0024,0.00799
1866,0.0159,1.6400000000000002e-05,0.0024100000000000002,0.00857
1867,0.016300000000000002,1.7899999999999998e-05,0.0024300000000000003,0.009179999999999999
1868,0.0167,1.95e-05,0.0024500000000000004,0.009810000000000001
1869,0.0171,2.12e-05,0.00248,0.0105
1870,0.0176,2.29e-05,0.0025,0.0111
1871,0.018,2.46e-05,0.00252,0.011800000000000001
1872,0.0184,2.64e-05,0.00254,0.0126
1873,0.0189,2.82e-05,0.00256,0.013300000000000001
1874,0.0193,3.01e-05,0.0025800000000000003,0.0141
1875,0.0198,3.2e-05,0.00261,0.0149
1876,0.0202,3.39e-05,0.00263,0.0157
1877,0.0207,3.59e-05,0.00266,0.0166
1878,0.0211,3.7900000000000006e-05,0.00269,0.0174
1879,0.0216,3.99e-05,0.00272,0.0183
1880,0.022,4.2000000000000004e-05,0.00275,0.0192
1881,0.0225,4.4e-05,0.00279,0.0201
1882,0.023,4.61e-05,0.00283,0.0211
1883,0.023399999999999997,4.83e-05,0.00289,0.0221
1884,0.023899999999999998,5.04e-05,0.00294,0.023100000000000002
1885,0.024399999999999998,5.26e-05,0.0030099999999999997,0.0241
1886,0.0249,5.4800000000000004e-05,0.00307,0.0251
1887,0.0253,5.7e-05,0.00313,0.026199999999999998
1888,0.0258,5.92e-05,0.0032,0.0272
1889,0.0263,6.14e-05,0.00326,0.028300000000000002
1890,0.0294,9.58e-05,0.0035299999999999997,0.0281
1891,0.0298,0.000103,0.0035299999999999997,0.029
1892,0.030199999999999998,0.000111,0.0035600000000000002,0.0313
1893,0.030600000000000002,0.00011999999999999999,0.00361,0.035
1894,0.031100000000000003,0.000131,0.00366,0.0399
1895,0.0316,0.00014399999999999998,0.00373,0.0458
1896,0.0322,0.000157,0.00382,0.0526
1897,0.0327,0.000171,0.00391,0.0601
1898,0.033299999999999996,0.000186,0.00401,0.0683
1899,0.0339,0.000201,0.00412,0.07690000000000001
1900,0.0346,0.000217,0.00423,0.0858
1901,0.0359,0.000236,0.00437,0.0986
1902,0.0386,0.00026000000000000003,0.00455,0.118
1903,0.0424,0.00028599999999999996,0.00478,0.142
1904,0.047,0.000314,0.00505,0.168
1905,0.0522,0.00034399999999999996,0.00535,0.196
1906,0.0578,0.000373,0.00567,0.224
1907,0.0635,0.00040100000000000004,0.006019999999999999,0.25
1908,0.0692,0.000426,0.00638,0.272
1909,0.0745,0.000448,0.00674,0.289
1910,0.0793,0.000464,0.00711,0.298
1911,0.0838,0.000477,0.00749,0.303
1912,0.0884,0.000488,0.00788,0.308
1913,0.09309999999999999,0.000498,0.0083,0.313
1914,0.09770000000000001,0.000507,0.00874,0.317
1915,0.102,0.000515,0.009210000000000001,0.321
1916,0.107,0.000523,0.009720000000000001,0.324
1917,0.112,0.000531,0.0103,0.326
1918,0.116,0.00054,0.0109,0.328
1919,0.121,0.00055,0.0115,0.329
1920,0.125,0.0005620000000000001,0.012199999999999999,0.33
1921,0.129,0.000574,0.013,0.329
1922,0.133,0.000587,0.014,0.326
1923,0.137,0.000601,0.015,0.321
1924,0.141,0.000616,0.0162,0.315
1925,0.145,0.000631,0.0175,0.309
1926,0.149,0.000648,0.0189,0.303
1927,0.152,0.000666,0.020300000000000002,0.297
1928,0.156,0.0006850000000000001,0.0219,0.292
1929,0.161,0.0007059999999999999,0.0235,0.289
1930,0.165,0.000728,0.0252,0.288
1931,0.169,0.000755,0.027,0.29
1932,0.173,0.000787,0.0289,0.296
1933,0.177,0.000823,0.031100000000000003,0.305
1934,0.181,0.0008629999999999999,0.0334,0.317
1935,0.186,0.000906,0.0359,0.331
1936,0.19,0.000949,0.0385,0.346
1937,0.195,0.000993,0.0412,0.362
1938,0.201,0.0010400000000000001,0.0441,0.378
1939,0.207,0.00108,0.0471,0.394
1940,0.213,0.00111,0.0501,0.408
1941,0.222,0.00115,0.0533,0.421
1942,0.232,0.0011799999999999998,0.056799999999999996,0.433
1943,0.243,0.00121,0.0605,0.444
1944,0.257,0.00123,0.0644,0.456
1945,0.271,0.00126,0.0685,0.469
1946,0.286,0.0012900000000000001,0.0728,0.482
1947,0.303,0.00132,0.07709999999999999,0.498
1948,0.32,0.00136,0.0815,0.515
1949,0.337,0.0014,0.086,0.536
1950,0.354,0.00145,0.0905,0.56
1951,0.373,0.00151,0.095,0.602
1952,0.394,0.0016,0.0996,0.673
1953,0.416,0.0017,0.104,0.765
1954,0.44,0.00182,0.109,0.873
1955,0.465,0.00196,0.114,0.989
1956,0.491,0.0021000000000000003,0.119,1.11
1957,0.517,0.0022400000000000002,0.124,1.22
1958,0.544,0.0023799999999999997,0.13,1.32
1959,0.571,0.00252,0.135,1.4
1960,0.597,0.00266,0.141,1.46
1961,0.622,0.00278,0.147,1.41
1962,0.643,0.0029,0.154,1.45
1963,0.663,0.003,0.161,1.5
1964,0.683,0.00311,0.169,1.57
1965,0.705,0.00322,0.177,1.63
1966,0.729,0.00335,0.184,1.73
1967,0.758,0.00349,0.192,1.77
1968,0.792,0.00366,0.2,1.8
1969,0.834,0.00385,0.207,1.83
1970,0.829,0.00363,0.208,1.92
1971,0.859,0.00337,0.23,1.89
1972,0.767,0.00376,0.24,1.89
1973,0.711,0.00424,0.251,1.89
1974,0.911,0.00433,0.261,1.96
1975,0.941,0.0046500000000000005,0.271,2.05
1976,0.993,0.0044599999999999996,0.283,2.13
1977,0.761,0.00418,0.294,2.17
1978,0.992,0.0065,0.307,2.19
1979,0.898,0.009300000000000001,0.317,2.2
1980,1.03,0.00928,0.328,2.29
1981,1.17,0.01,0.338,2.37
1982,1.52,0.0108,0.35,2.43
1983,1.19,0.013099999999999999,0.36,2.45
1984,0.946,0.0126,0.371,2.48
1985,0.879,0.0119,0.382,2.56
1986,0.71,0.013099999999999999,0.392,2.6
1987,0.746,0.0116,0.402,2.53
1988,0.605,0.0112,0.414,2.52
1989,0.586,0.0111,0.421,2.65
1990,0.63,0.0109,0.432,2.58
1991,0.624,0.0108,0.478,2.52
1992,0.617,0.0115,0.529,2.47
1993,0.627,0.010199999999999999,0.585,2.49
1994,0.611,0.0103,0.637,2.56
1995,0.607,0.0108,0.686,2.55
1996,0.675,0.0107,0.738,2.47
1997,0.699,0.0104,0.792,2.49
1998,0.729,0.010199999999999999,0.827,2.53
1999,0.732,0.00943,0.823,2.43
2000,0.805,0.00951,0.848,2.46
2001,0.805,0.00874,0.892,2.45
2002,0.833,0.008150000000000001,0.916,2.51
2003,0.91,0.00821,0.935,2.52
2004,0.912,0.00834,0.938,2.49
2005,0.924,0.0087,1.04,2.48
2006,0.928,0.009,1.12,2.5
2007,0.936,0.0079,1.22,2.5
2008,0.945,0.00853,1.3,2.5
2009,1.03,0.00882,1.39,2.54
2010,1.08,0.00898,1.48,2.53
2011,1.17,0.009300000000000001,1.54,2.61
2012,1.09,0.00932,1.58,2.49
2013,1.07,0.00873,1.63,2.55
2014,1.07,0.00848,1.66,2.56
2015,1.27,0.00793,1.72,2.69
2016,1.21,0.00877,1.83,2.71
2017,1.23,0.00878,1.89,2.76
2018,1.26,0.0088,1.96,2.79