year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0246,0.0,0.0112,0.0327
1851,0.0249,1.81e-10,0.0112,0.0338
1852,0.0252,3.6e-10,0.0112,0.0349
1853,0.0255,5.37e-10,0.011300000000000001,0.036
1854,0.0258,7.13e-10,0.011300000000000001,0.037
1855,0.0261,8.87e-10,0.0114,0.0381
1856,0.0264,1.06e-09,0.0114,0.0391
1857,0.026699999999999998,1.23e-09,0.0115,0.0402
1858,0.027,1.4e-09,0.0115,0.0412
1859,0.0273,1.57e-09,0.0116,0.0422
1860,0.0277,1.73e-09,0.0116,0.0432
1861,0.028,1.9e-09,0.011699999999999999,0.0442
1862,0.028300000000000002,2.0600000000000003e-09,0.011800000000000001,0.045200000000000004
1863,0.0286,2.2199999999999998e-09,0.011800000000000001,0.046200000000000005
1864,0.029,2.38e-09,0.0119,0.0471
1865,0.0293,2.54e-09,0.012,0.048100000000000004
1866,0.0296,2.69e-09,0.0121,0.049
1867,0.03,2.85e-09,0.0121,0.05
1868,0.0303,3e-09,0.012199999999999999,0.0509
1869,0.030600000000000002,3.15e-09,0.0123,0.0518
1870,0.031,3.3e-09,0.0124,0.0528
1871,0.0313,3.45e-09,0.0125,0.053700000000000005
1872,0.0317,3.6e-09,0.0126,0.0546
1873,0.032,3.7500000000000005e-09,0.0127,0.0555
1874,0.0324,3.8900000000000004e-09,0.0128,0.0564
1875,0.0327,4.04e-09,0.0129,0.0573
1876,0.033100000000000004,4.18e-09,0.013,0.0581
1877,0.0335,4.32e-09,0.013099999999999999,0.059
1878,0.0338,4.46e-09,0.0132,0.0599
1879,0.0342,4.6e-09,0.013300000000000001,0.0608
1880,0.0346,4.740000000000001e-09,0.0134,0.0616
1881,0.0349,4.87e-09,0.0135,0.0625
1882,0.0353,5.010000000000001e-09,0.0136,0.0633
1883,0.0357,5.14e-09,0.013800000000000002,0.06420000000000001
1884,0.036,5.27e-09,0.013900000000000001,0.065
1885,0.0364,5.41e-09,0.014,0.0659
1886,0.0368,5.54e-09,0.0141,0.06670000000000001
1887,0.0371,5.66e-09,0.014199999999999999,0.0676
1888,0.0375,5.789999999999999e-09,0.0143,0.0684
1889,0.037899999999999996,5.92e-09,0.0144,0.0692
1890,0.0417,9.27e-09,0.0147,0.0702
1891,0.0432,9.93e-09,0.0149,0.0706
1892,0.0453,1.07e-08,0.015,0.0711
1893,0.047799999999999995,1.17e-08,0.0152,0.0716
1894,0.0508,1.2799999999999999e-08,0.015300000000000001,0.0721
1895,0.0541,1.39e-08,0.0155,0.0726
1896,0.0578,1.52e-08,0.0157,0.0732
1897,0.0619,1.66e-08,0.0159,0.07379999999999999
1898,0.0663,1.8e-08,0.0161,0.07440000000000001
1899,0.0709,1.95e-08,0.016300000000000002,0.075
1900,0.07590000000000001,2.11e-08,0.0165,0.0757
1901,0.083,2.29e-08,0.0167,0.07629999999999999
1902,0.094,2.51e-08,0.0169,0.077
1903,0.108,2.77e-08,0.0171,0.07759999999999999
1904,0.124,3.04e-08,0.0174,0.0783
1905,0.141,3.32e-08,0.0176,0.079
1906,0.16,3.6e-08,0.0179,0.0798
1907,0.178,3.8699999999999996e-08,0.0181,0.08059999999999999
1908,0.194,4.1100000000000004e-08,0.0184,0.08159999999999999
1909,0.21,4.32e-08,0.018699999999999998,0.08259999999999999
1910,0.222,4.48e-08,0.019,0.0837
1911,0.233,4.61e-08,0.0192,0.0853
1912,0.244,4.71e-08,0.0195,0.0878
1913,0.254,4.8099999999999994e-08,0.0197,0.09090000000000001
1914,0.264,4.8999999999999995e-08,0.02,0.09459999999999999
1915,0.274,4.9799999999999996e-08,0.020300000000000002,0.0986
1916,0.283,5.0599999999999996e-08,0.0205,0.103
1917,0.292,5.1400000000000004e-08,0.0209,0.107
1918,0.3,5.2200000000000004e-08,0.0212,0.111
1919,0.307,5.32e-08,0.0216,0.115
1920,0.314,5.4299999999999997e-08,0.0221,0.119
1921,0.32,5.55e-08,0.0228,0.123
1922,0.325,5.68e-08,0.0237,0.127
1923,0.329,5.8100000000000004e-08,0.0248,0.132
1924,0.333,5.96e-08,0.0261,0.136
1925,0.338,6.11e-08,0.027600000000000003,0.141
1926,0.342,6.270000000000001e-08,0.0293,0.145
1927,0.346,6.44e-08,0.031,0.149
1928,0.351,6.63e-08,0.032799999999999996,0.152
1929,0.357,6.830000000000001e-08,0.0346,0.154
1930,0.364,7.040000000000001e-08,0.0365,0.155
1931,0.373,7.3e-08,0.0384,0.155
1932,0.383,7.610000000000001e-08,0.0405,0.154
1933,0.395,7.97e-08,0.0427,0.152
1934,0.409,8.36e-08,0.045,0.151
1935,0.424,8.77e-08,0.0475,0.149
1936,0.44,9.2e-08,0.0502,0.147
1937,0.457,9.63e-08,0.053,0.145
1938,0.475,1.0000000000000001e-07,0.056,0.143
1939,0.494,1.0399999999999999e-07,0.0591,0.142
1940,0.513,1.08e-07,0.0624,0.142
1941,0.534,1.11e-07,0.066,0.149
1942,0.557,1.14e-07,0.0699,0.167
1943,0.582,1.17e-07,0.07429999999999999,0.194
1944,0.609,1.1900000000000001e-07,0.07890000000000001,0.226
1945,0.638,1.22e-07,0.0838,0.26
1946,0.668,1.25e-07,0.0889,0.295
1947,0.698,1.2799999999999998e-07,0.0942,0.327
1948,0.73,1.3100000000000002e-07,0.0996,0.354
1949,0.761,1.35e-07,0.105,0.372
1950,0.793,1.3999999999999998e-07,0.111,0.379
1951,0.824,1.46e-07,0.116,0.376
1952,0.855,1.54e-07,0.122,0.368
1953,0.886,1.65e-07,0.127,0.355
1954,0.918,1.76e-07,0.133,0.339
1955,0.951,1.89e-07,0.139,0.322
1956,0.986,2.03e-07,0.146,0.305
1957,1.02,2.17e-07,0.152,0.289
1958,1.06,2.3100000000000002e-07,0.159,0.277
1959,1.11,2.44e-07,0.167,0.268
1960,1.16,2.5700000000000004e-07,0.175,0.266
1961,1.22,2.71e-07,0.183,0.305
1962,1.31,2.88e-07,0.193,0.322
1963,1.42,3.05e-07,0.204,0.328
1964,1.54,3.2299999999999997e-07,0.215,0.343
1965,1.68,3.41e-07,0.227,0.358
1966,1.81,3.57e-07,0.239,0.363
1967,1.95,3.72e-07,0.251,0.387
1968,2.08,3.83e-07,0.262,0.399
1969,2.19,3.8999999999999997e-07,0.273,0.42
1970,4.28,3.93e-07,0.284,0.438
1971,6.51,3.78e-07,0.296,0.454
1972,8.42,4.2900000000000004e-07,0.304,0.461
1973,10.0,4.42e-07,0.313,0.503
1974,12.9,4.33e-07,0.321,0.483
1975,9.24,4.870000000000001e-07,0.331,0.505
1976,10.7,5.11e-07,0.343,0.52
1977,8.71,5.27e-07,0.354,0.558
1978,8.61,5.079999999999999e-07,0.367,0.567
1979,13.4,5.98e-07,0.378,0.604
1980,11.1,6.39e-07,0.391,0.658
1981,7.85,6.47e-07,0.405,0.655
1982,6.66,6.41e-07,0.418,0.685
1983,6.54,5.79e-07,0.431,0.696
1984,7.08,5.900000000000001e-07,0.444,0.709
1985,7.3,7.280000000000001e-07,0.459,0.718
1986,7.26,7.17e-07,0.475,0.75
1987,6.5,7.249999999999999e-07,0.492,0.779
1988,7.69,6.61e-07,0.51,0.825
1989,7.91,6.660000000000001e-07,0.527,0.923
1990,8.09,7.200000000000001e-07,0.544,0.906
1991,8.3,7.200000000000001e-07,0.56,0.963
1992,8.51,7.200000000000001e-07,0.577,0.973
1993,8.71,7.200000000000001e-07,0.595,0.994
1994,8.34,7.200000000000001e-07,0.612,1.03
1995,8.6,7.200000000000001e-07,0.631,1.06
1996,9.4,7.200000000000001e-07,0.65,1.09
1997,7.93,7.200000000000001e-07,0.67,1.15
1998,6.6,5.02e-05,0.691,1.21
1999,5.75,5.2900000000000005e-05,0.712,1.24
2000,5.77,5.63e-05,0.732,1.26
2001,5.78,5.9499999999999996e-05,0.759,1.25
2002,4.84,6.34e-05,0.786,1.27
2003,5.58,6.67e-05,0.812,1.3
2004,5.35,7.000000000000001e-05,0.839,1.33
2005,5.19,7.33e-05,0.865,1.39
2006,4.84,7.66e-05,0.895,1.41
2007,4.65,7.99e-05,0.927,1.4
2008,4.51,8.319999999999999e-05,0.961,1.39
2009,4.26,8.649999999999999e-05,0.996,1.34
2010,4.5,8.98e-05,1.03,1.44
2011,4.58,9.31e-05,1.07,1.56
2012,4.65,9.64e-05,1.11,1.64
2013,4.5,9.97e-05,1.15,1.67
2014,4.39,9.97e-05,1.19,1.71
2015,4.25,9.97e-05,1.22,1.73
2016,4.09,0.000107,1.24,1.85
2017,4.0,0.00011,1.27,1.82
2018,3.91,0.00011300000000000001,1.31,1.83