year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00312,1.17e-07,0.014,0.0838
1851,0.00313,2.21e-07,0.014,0.0945
1852,0.00315,3.2600000000000003e-07,0.013900000000000001,0.105
1853,0.00317,4.33e-07,0.013900000000000001,0.115
1854,0.00319,5.4e-07,0.013800000000000002,0.126
1855,0.00321,6.49e-07,0.013800000000000002,0.136
1856,0.00322,7.590000000000001e-07,0.013699999999999999,0.145
1857,0.0032400000000000003,8.69e-07,0.013699999999999999,0.155
1858,0.00326,9.81e-07,0.013699999999999999,0.164
1859,0.00328,1.09e-06,0.013699999999999999,0.173
1860,0.0033,1.2099999999999998e-06,0.013699999999999999,0.182
1861,0.00332,1.32e-06,0.013699999999999999,0.191
1862,0.0033399999999999997,1.4400000000000002e-06,0.013699999999999999,0.2
1863,0.0033599999999999997,1.55e-06,0.013699999999999999,0.208
1864,0.0033799999999999998,1.67e-06,0.0136,0.216
1865,0.0034,1.79e-06,0.0136,0.224
1866,0.00342,1.91e-06,0.0136,0.232
1867,0.00344,2.03e-06,0.0136,0.24
1868,0.00346,2.15e-06,0.0136,0.247
1869,0.00348,2.27e-06,0.0136,0.254
1870,0.0035,2.4e-06,0.0136,0.261
1871,0.00352,2.52e-06,0.0136,0.268
1872,0.0035499999999999998,2.64e-06,0.013699999999999999,0.275
1873,0.00357,2.7699999999999997e-06,0.013699999999999999,0.281
1874,0.00359,2.8900000000000003e-06,0.013699999999999999,0.287
1875,0.00361,3.0200000000000003e-06,0.013800000000000002,0.293
1876,0.00363,3.15e-06,0.013900000000000001,0.299
1877,0.00365,3.27e-06,0.013900000000000001,0.305
1878,0.00368,3.3999999999999996e-06,0.014,0.31
1879,0.0037,3.53e-06,0.0141,0.315
1880,0.00372,3.66e-06,0.0141,0.32
1881,0.00375,3.79e-06,0.014199999999999999,0.325
1882,0.00377,3.92e-06,0.0143,0.329
1883,0.00379,4.05e-06,0.0143,0.333
1884,0.00381,4.18e-06,0.0144,0.337
1885,0.0038399999999999997,4.32e-06,0.0145,0.341
1886,0.0038599999999999997,4.45e-06,0.0146,0.345
1887,0.0038799999999999998,4.58e-06,0.0147,0.348
1888,0.00391,4.71e-06,0.0148,0.351
1889,0.00393,4.85e-06,0.0149,0.354
1890,0.00441,7.59e-06,0.0152,0.369
1891,0.00456,8.12e-06,0.0154,0.371
1892,0.004719999999999999,8.789999999999999e-06,0.0157,0.374
1893,0.004889999999999999,9.56e-06,0.0159,0.378
1894,0.00508,1.0399999999999999e-05,0.0162,0.382
1895,0.0052699999999999995,1.1400000000000001e-05,0.016399999999999998,0.386
1896,0.0054800000000000005,1.25e-05,0.0167,0.391
1897,0.005690000000000001,1.3599999999999999e-05,0.017,0.396
1898,0.00592,1.48e-05,0.0172,0.401
1899,0.00615,1.6e-05,0.0175,0.407
1900,0.00639,1.73e-05,0.0178,0.413
1901,0.00667,1.88e-05,0.0181,0.419
1902,0.00704,2.06e-05,0.0184,0.426
1903,0.00747,2.2700000000000003e-05,0.018699999999999998,0.434
1904,0.007940000000000001,2.49e-05,0.019,0.443
1905,0.00844,2.7300000000000003e-05,0.0193,0.452
1906,0.00895,2.96e-05,0.019600000000000003,0.461
1907,0.009460000000000001,3.18e-05,0.02,0.472
1908,0.00994,3.3799999999999995e-05,0.020300000000000002,0.483
1909,0.0104,3.5499999999999996e-05,0.0206,0.495
1910,0.0108,3.68e-05,0.021,0.507
1911,0.0111,3.78e-05,0.0213,0.521
1912,0.0114,3.87e-05,0.0216,0.536
1913,0.011699999999999999,3.95e-05,0.0219,0.553
1914,0.012,4.02e-05,0.0222,0.572
1915,0.0123,4.09e-05,0.022600000000000002,0.592
1916,0.0126,4.15e-05,0.0229,0.613
1917,0.0129,4.22e-05,0.0233,0.635
1918,0.013300000000000001,4.29e-05,0.0237,0.659
1919,0.013699999999999999,4.3700000000000005e-05,0.0242,0.683
1920,0.014199999999999999,4.46e-05,0.0248,0.708
1921,0.0148,4.5600000000000004e-05,0.0256,0.742
1922,0.0155,4.67e-05,0.026600000000000002,0.789
1923,0.0162,4.77e-05,0.028,0.845
1924,0.0172,4.8899999999999996e-05,0.0295,0.906
1925,0.0182,5.01e-05,0.0312,0.97
1926,0.0193,5.14e-05,0.033,1.03
1927,0.0206,5.2900000000000005e-05,0.035,1.09
1928,0.022,5.4399999999999994e-05,0.037,1.13
1929,0.023600000000000003,5.6e-05,0.0391,1.16
1930,0.0253,5.7799999999999995e-05,0.0412,1.18
1931,0.028,5.99e-05,0.0433,1.17
1932,0.0322,6.24e-05,0.0456,1.16
1933,0.0376,6.53e-05,0.048100000000000004,1.13
1934,0.0436,6.850000000000001e-05,0.0507,1.1
1935,0.0499,7.18e-05,0.0535,1.06
1936,0.056,7.53e-05,0.0564,1.03
1937,0.0615,7.87e-05,0.0595,0.996
1938,0.066,8.21e-05,0.0628,0.968
1939,0.069,8.54e-05,0.0663,0.95
1940,0.0701,8.83e-05,0.0699,0.943
1941,0.0689,9.1e-05,0.07390000000000001,0.943
1942,0.0655,9.34e-05,0.07840000000000001,0.945
1943,0.0606,9.56e-05,0.0833,0.947
1944,0.0546,9.769999999999999e-05,0.0886,0.95
1945,0.048100000000000004,9.99e-05,0.09409999999999999,0.954
1946,0.0416,0.000102,0.0998,0.959
1947,0.0356,0.00010499999999999999,0.106,0.965
1948,0.030699999999999998,0.000108,0.111,0.973
1949,0.0273,0.000111,0.117,0.982
1950,0.0261,0.000115,0.123,0.992
1951,0.027,0.00011999999999999999,0.129,1.01
1952,0.0297,0.000127,0.134,1.03
1953,0.0338,0.000135,0.14,1.07
1954,0.039,0.000145,0.145,1.11
1955,0.0453,0.000155,0.151,1.15
1956,0.0521,0.000166,0.157,1.19
1957,0.0594,0.000178,0.163,1.23
1958,0.0669,0.000189,0.169,1.27
1959,0.07429999999999999,0.000201,0.176,1.3
1960,0.0813,0.000211,0.183,1.33
1961,0.0883,0.000223,0.191,1.37
1962,0.0958,0.000236,0.199,1.37
1963,0.104,0.00025,0.208,1.34
1964,0.112,0.000265,0.218,1.39
1965,0.121,0.000279,0.227,1.38
1966,0.13,0.000292,0.237,1.39
1967,0.14,0.000304,0.247,1.47
1968,0.149,0.000313,0.256,1.5
1969,0.159,0.000319,0.265,1.46
1970,0.166,0.00028000000000000003,0.266,1.47
1971,0.165,0.00025,0.292,1.53
1972,0.169,0.000258,0.302,1.51
1973,0.174,0.000312,0.322,1.65
1974,0.178,0.000311,0.331,1.63
1975,0.182,0.000195,0.339,1.6
1976,0.187,0.000211,0.354,1.53
1977,0.191,0.000214,0.364,1.52
1978,0.198,0.00017999999999999998,0.377,1.53
1979,0.206,0.00022600000000000002,0.39,1.55
1980,0.209,0.000182,0.4,1.5
1981,0.212,0.00016900000000000002,0.415,1.5
1982,0.218,8.86e-05,0.429,1.43
1983,0.229,4.21e-05,0.449,1.41
1984,0.234,8.790000000000001e-05,0.468,1.43
1985,0.238,9.21e-05,0.482,1.49
1986,0.242,8.319999999999999e-05,0.503,1.49
1987,0.244,6.55e-05,0.522,1.43
1988,0.249,4.34e-05,0.542,1.48
1989,0.251,3.27e-05,0.564,1.52
1990,0.253,3.65e-05,0.584,1.45
1991,0.242,4.85e-05,0.599,1.48
1992,0.236,5.35e-05,0.613,1.4
1993,0.222,3.7900000000000006e-05,0.627,1.44
1994,0.215,4.44e-05,0.64,1.57
1995,0.199,9.23e-05,0.655,1.62
1996,0.194,2.37e-05,0.669,1.7
1997,0.191,1.53e-05,0.684,1.69
1998,0.19,8.279999999999999e-06,0.698,1.47
1999,0.185,3.3800000000000002e-06,0.716,1.75
2000,0.189,3.24e-06,0.731,1.77
2001,0.205,3.58e-06,0.746,1.79
2002,0.27,7.09e-06,0.76,1.79
2003,0.267,6.53e-06,0.774,1.79
2004,0.265,1.28e-06,0.782,1.83
2005,0.278,1.28e-06,0.8,1.81
2006,0.266,1.28e-06,0.851,1.84
2007,0.29,1.28e-06,0.822,1.88
2008,0.294,1.28e-06,0.837,1.94
2009,0.321,1.28e-06,0.849,1.97
2010,0.358,1.28e-06,0.86,1.91
2011,0.376,1.28e-06,0.878,1.94
2012,0.412,1.28e-06,0.881,1.98
2013,0.418,1.28e-06,0.898,2.0
2014,0.452,1.28e-06,0.913,2.0
2015,0.452,1.28e-06,0.93,1.97
2016,0.462,1.28e-06,0.939,1.94
2017,0.478,1.28e-06,0.951,2.03
2018,0.495,1.28e-06,0.964,2.03