year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0218,3.81e-06,0.061799999999999994,0.214
1851,0.0218,4.36e-06,0.0625,0.214
1852,0.022,4.9100000000000004e-06,0.0633,0.214
1853,0.0222,5.48e-06,0.06409999999999999,0.215
1854,0.022600000000000002,6.040000000000001e-06,0.0649,0.216
1855,0.023,6.62e-06,0.06559999999999999,0.217
1856,0.0235,7.2e-06,0.0664,0.218
1857,0.0241,7.79e-06,0.06720000000000001,0.22
1858,0.0248,8.380000000000001e-06,0.0679,0.222
1859,0.0256,8.98e-06,0.0687,0.224
1860,0.0264,9.59e-06,0.0694,0.226
1861,0.0273,1.02e-05,0.0701,0.228
1862,0.028300000000000002,1.08e-05,0.0708,0.231
1863,0.0294,1.1400000000000001e-05,0.0715,0.234
1864,0.0305,1.21e-05,0.0722,0.236
1865,0.0317,1.2699999999999999e-05,0.0728,0.24
1866,0.033,1.33e-05,0.0735,0.243
1867,0.0343,1.4e-05,0.0742,0.246
1868,0.0356,1.46e-05,0.07490000000000001,0.25
1869,0.0371,1.53e-05,0.0757,0.254
1870,0.0386,1.59e-05,0.0765,0.258
1871,0.040100000000000004,1.66e-05,0.07740000000000001,0.262
1872,0.0417,1.73e-05,0.07840000000000001,0.266
1873,0.0433,1.7899999999999998e-05,0.07940000000000001,0.27
1874,0.045,1.8599999999999998e-05,0.0804,0.275
1875,0.046700000000000005,1.93e-05,0.0815,0.279
1876,0.0485,2e-05,0.08259999999999999,0.284
1877,0.0503,2.07e-05,0.0837,0.289
1878,0.0521,2.14e-05,0.0848,0.294
1879,0.054,2.2100000000000002e-05,0.0859,0.298
1880,0.055799999999999995,2.2800000000000002e-05,0.0869,0.303
1881,0.0578,2.35e-05,0.088,0.309
1882,0.0597,2.42e-05,0.0891,0.314
1883,0.061700000000000005,2.49e-05,0.0902,0.319
1884,0.0637,2.5600000000000002e-05,0.09129999999999999,0.324
1885,0.06570000000000001,2.63e-05,0.0923,0.33
1886,0.0677,2.7e-05,0.09340000000000001,0.335
1887,0.0697,2.77e-05,0.0945,0.341
1888,0.0717,2.85e-05,0.09570000000000001,0.346
1889,0.07379999999999999,2.92e-05,0.0968,0.352
1890,0.077,4.55e-05,0.0984,0.303
1891,0.07970000000000001,4.88e-05,0.0999,0.34
1892,0.0824,5.28e-05,0.101,0.375
1893,0.0851,5.74e-05,0.103,0.407
1894,0.0878,6.27e-05,0.104,0.435
1895,0.0906,6.850000000000001e-05,0.106,0.461
1896,0.0933,7.47e-05,0.107,0.482
1897,0.09609999999999999,8.15e-05,0.109,0.499
1898,0.0989,8.86e-05,0.111,0.512
1899,0.102,9.59e-05,0.112,0.52
1900,0.104,0.000104,0.114,0.522
1901,0.107,0.00011300000000000001,0.115,0.519
1902,0.111,0.000124,0.117,0.51
1903,0.114,0.000136,0.118,0.498
1904,0.118,0.000149,0.12,0.484
1905,0.122,0.000163,0.121,0.468
1906,0.125,0.000177,0.123,0.452
1907,0.128,0.00019,0.125,0.438
1908,0.13,0.000202,0.126,0.426
1909,0.132,0.000212,0.128,0.417
1910,0.133,0.00022,0.13,0.414
1911,0.133,0.00022700000000000002,0.131,0.414
1912,0.132,0.000232,0.133,0.414
1913,0.131,0.000237,0.135,0.415
1914,0.129,0.000241,0.137,0.416
1915,0.127,0.000245,0.139,0.418
1916,0.125,0.000249,0.14,0.42
1917,0.123,0.000253,0.142,0.423
1918,0.122,0.000257,0.144,0.426
1919,0.121,0.000262,0.146,0.429
1920,0.121,0.000268,0.148,0.433
1921,0.122,0.00027400000000000005,0.15,0.438
1922,0.124,0.00028000000000000003,0.152,0.445
1923,0.126,0.00028599999999999996,0.154,0.455
1924,0.13,0.00029299999999999997,0.156,0.465
1925,0.133,0.0003,0.158,0.477
1926,0.136,0.000308,0.16,0.489
1927,0.139,0.000316,0.162,0.501
1928,0.141,0.000325,0.164,0.512
1929,0.143,0.000335,0.166,0.522
1930,0.144,0.000345,0.168,0.531
1931,0.144,0.000358,0.17,0.539
1932,0.144,0.000373,0.171,0.547
1933,0.144,0.000391,0.173,0.556
1934,0.144,0.00041,0.175,0.565
1935,0.144,0.00043,0.176,0.573
1936,0.144,0.000451,0.178,0.581
1937,0.144,0.000472,0.18,0.587
1938,0.144,0.000493,0.182,0.592
1939,0.144,0.000513,0.185,0.595
1940,0.144,0.000531,0.188,0.596
1941,0.144,0.000546,0.192,0.595
1942,0.142,0.0005610000000000001,0.199,0.592
1943,0.14,0.000574,0.207,0.589
1944,0.138,0.000587,0.216,0.585
1945,0.135,0.0006,0.227,0.58
1946,0.132,0.0006129999999999999,0.237,0.576
1947,0.13,0.000628,0.247,0.572
1948,0.128,0.0006450000000000001,0.256,0.568
1949,0.126,0.000665,0.263,0.566
1950,0.126,0.0006879999999999999,0.269,0.565
1951,0.126,0.000725,0.274,0.568
1952,0.127,0.00078,0.279,0.575
1953,0.127,0.00085,0.283,0.585
1954,0.128,0.000928,0.287,0.597
1955,0.129,0.00101,0.291,0.61
1956,0.13,0.00109,0.295,0.623
1957,0.131,0.00116,0.298,0.635
1958,0.132,0.00122,0.3,0.645
1959,0.132,0.00125,0.302,0.652
1960,0.132,0.00127,0.302,0.654
1961,0.132,0.00127,0.302,0.682
1962,0.132,0.00127,0.302,0.676
1963,0.132,0.00127,0.302,0.667
1964,0.132,0.00127,0.302,0.663
1965,0.132,0.00127,0.302,0.638
1966,0.132,0.00127,0.302,0.636
1967,0.132,0.00127,0.302,0.66
1968,0.132,0.00127,0.302,0.675
1969,0.152,0.00136,0.305,0.703
1970,0.151,0.00132,0.308,0.715
1971,0.156,0.00126,0.324,0.711
1972,0.16,0.0013,0.334,0.707
1973,0.131,0.00133,0.342,0.732
1974,0.136,0.0012900000000000001,0.349,0.711
1975,0.136,0.0012,0.354,0.705
1976,0.134,0.00116,0.364,0.71
1977,0.144,0.0012900000000000001,0.372,0.729
1978,0.143,0.0012900000000000001,0.376,0.745
1979,0.154,0.0016899999999999999,0.38,0.722
1980,0.158,0.00135,0.387,0.737
1981,0.176,0.0013,0.389,0.731
1982,0.191,0.00122,0.39,0.812
1983,0.188,0.000934,0.395,0.783
1984,0.18,0.0009519999999999999,0.398,0.801
1985,0.185,0.000968,0.4,0.796
1986,0.182,0.000898,0.403,0.844
1987,0.161,0.000941,0.407,0.795
1988,0.156,0.000999,0.413,0.893
1989,0.187,0.0011,0.411,0.88
1990,0.19,0.0010400000000000001,0.416,0.89
1991,0.184,0.00103,0.43,0.888
1992,0.19,0.000977,0.441,0.881
1993,0.178,0.000953,0.448,0.859
1994,0.173,0.0009809999999999999,0.464,0.863
1995,0.163,0.00107,0.483,0.873
1996,0.162,0.000994,0.497,0.893
1997,0.164,0.00103,0.517,0.944
1998,0.158,0.00115,0.533,0.957
1999,0.151,0.00113,0.546,0.971
2000,0.148,0.00114,0.557,0.99
2001,0.147,0.00114,0.578,1.01
2002,0.142,0.00113,0.593,1.02
2003,0.136,0.0011,0.595,1.02
2004,0.134,0.00115,0.591,1.03
2005,0.133,0.0011899999999999999,0.608,1.01
2006,0.13,0.00113,0.627,0.99
2007,0.127,0.0011799999999999998,0.642,1.01
2008,0.121,0.00134,0.664,0.948
2009,0.126,0.0011200000000000001,0.736,0.963
2010,0.122,0.0012900000000000001,0.708,0.944
2011,0.116,0.00125,0.716,0.918
2012,0.115,0.00125,0.687,0.9
2013,0.115,0.0013,0.629,0.893
2014,0.119,0.0013700000000000001,0.632,0.921
2015,0.116,0.00135,0.675,0.956
2016,0.113,0.00132,0.653,0.962
2017,0.108,0.00136,0.642,0.974
2018,0.12,0.00132,0.637,0.987