year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00184,0.0,0.000256,0.000519
1851,0.00186,4.53e-09,0.000257,0.000536
1852,0.00189,9.02e-09,0.000258,0.000554
1853,0.00191,1.35e-08,0.000259,0.000571
1854,0.0019299999999999999,1.79e-08,0.00026000000000000003,0.000588
1855,0.00196,2.22e-08,0.000262,0.0006039999999999999
1856,0.00198,2.66e-08,0.000263,0.000621
1857,0.002,3.0800000000000004e-08,0.000264,0.000637
1858,0.0020299999999999997,3.5099999999999997e-08,0.000265,0.0006540000000000001
1859,0.0020499999999999997,3.93e-08,0.000266,0.00067
1860,0.00207,4.34e-08,0.000268,0.0006860000000000001
1861,0.0021000000000000003,4.75e-08,0.00026900000000000003,0.0007019999999999999
1862,0.00212,5.16e-08,0.00027100000000000003,0.000717
1863,0.00215,5.56e-08,0.000272,0.000733
1864,0.00217,5.96e-08,0.00027400000000000005,0.000748
1865,0.0022,6.36e-08,0.000275,0.000763
1866,0.00222,6.75e-08,0.000277,0.000778
1867,0.00225,7.14e-08,0.000279,0.0007930000000000001
1868,0.00227,7.52e-08,0.00028100000000000005,0.000808
1869,0.0023,7.899999999999999e-08,0.000283,0.000823
1870,0.00232,8.279999999999999e-08,0.000285,0.000837
1871,0.00235,8.660000000000001e-08,0.000287,0.000852
1872,0.0023799999999999997,9.03e-08,0.000289,0.000866
1873,0.0024,9.39e-08,0.00029099999999999997,0.0008810000000000001
1874,0.0024300000000000003,9.76e-08,0.000294,0.0008950000000000001
1875,0.0024500000000000004,1.01e-07,0.000296,0.000909
1876,0.00248,1.05e-07,0.000299,0.000923
1877,0.0025099999999999996,1.08e-07,0.000301,0.000937
1878,0.00254,1.12e-07,0.000304,0.0009509999999999999
1879,0.00256,1.15e-07,0.000306,0.000964
1880,0.00259,1.1900000000000001e-07,0.000309,0.000978
1881,0.00262,1.22e-07,0.000311,0.000992
1882,0.00264,1.26e-07,0.000314,0.00101
1883,0.00267,1.29e-07,0.000316,0.00102
1884,0.0027,1.3200000000000002e-07,0.000319,0.00103
1885,0.00273,1.35e-07,0.000321,0.0010500000000000002
1886,0.00276,1.39e-07,0.000324,0.00106
1887,0.00278,1.42e-07,0.00032700000000000003,0.00107
1888,0.00281,1.45e-07,0.00032900000000000003,0.00109
1889,0.0028399999999999996,1.48e-07,0.000332,0.0011
1890,0.00417,2.32e-07,0.00034,0.00111
1891,0.00484,2.4899999999999997e-07,0.00034,0.00111
1892,0.00553,2.69e-07,0.00034100000000000005,0.00111
1893,0.00624,2.9300000000000004e-07,0.000342,0.0011200000000000001
1894,0.00697,3.19e-07,0.00034300000000000004,0.0011200000000000001
1895,0.007730000000000001,3.49e-07,0.000345,0.0011200000000000001
1896,0.0085,3.81e-07,0.000347,0.00113
1897,0.00929,4.15e-07,0.00035,0.00113
1898,0.0101,4.51e-07,0.000352,0.00114
1899,0.0109,4.89e-07,0.00035499999999999996,0.00114
1900,0.011800000000000001,5.27e-07,0.000358,0.00115
1901,0.0127,5.730000000000001e-07,0.000361,0.00115
1902,0.013800000000000002,6.29e-07,0.000366,0.00116
1903,0.015099999999999999,6.92e-07,0.000372,0.00117
1904,0.016399999999999998,7.6e-07,0.000379,0.0011799999999999998
1905,0.0176,8.3e-07,0.000386,0.0011899999999999999
1906,0.0188,9e-07,0.00039400000000000004,0.0012
1907,0.0198,9.67e-07,0.00040300000000000004,0.00121
1908,0.0207,1.03e-06,0.00041099999999999996,0.00122
1909,0.0212,1.08e-06,0.000419,0.00123
1910,0.0214,1.1199999999999999e-06,0.00042699999999999997,0.00124
1911,0.0214,1.15e-06,0.000434,0.00125
1912,0.0213,1.1800000000000001e-06,0.000442,0.00126
1913,0.0212,1.2e-06,0.00045,0.00127
1914,0.021,1.2299999999999999e-06,0.000458,0.00128
1915,0.0209,1.25e-06,0.00046600000000000005,0.00128
1916,0.0207,1.2700000000000001e-06,0.000474,0.0012900000000000001
1917,0.0206,1.29e-06,0.000483,0.00131
1918,0.0205,1.31e-06,0.000491,0.00132
1919,0.020399999999999998,1.33e-06,0.0005,0.00134
1920,0.020399999999999998,1.3600000000000001e-06,0.000509,0.00136
1921,0.0211,1.39e-06,0.000518,0.0014
1922,0.023100000000000002,1.42e-06,0.000528,0.00147
1923,0.0261,1.46e-06,0.000537,0.00158
1924,0.03,1.49e-06,0.0005470000000000001,0.0017
1925,0.0346,1.53e-06,0.0005570000000000001,0.00184
1926,0.0396,1.57e-06,0.0005669999999999999,0.00199
1927,0.044899999999999995,1.61e-06,0.0005769999999999999,0.00214
1928,0.0503,1.66e-06,0.000588,0.00228
1929,0.0555,1.71e-06,0.000598,0.0024100000000000002
1930,0.0603,1.76e-06,0.000609,0.0025099999999999996
1931,0.0648,1.83e-06,0.00062,0.0026
1932,0.069,1.9e-06,0.000631,0.00269
1933,0.0732,1.99e-06,0.000643,0.00277
1934,0.0775,2.09e-06,0.0006540000000000001,0.00285
1935,0.08209999999999999,2.19e-06,0.000666,0.00292
1936,0.0871,2.3e-06,0.000678,0.003
1937,0.0928,2.4e-06,0.000691,0.00307
1938,0.0992,2.51e-06,0.000704,0.00315
1939,0.107,2.5999999999999997e-06,0.000717,0.00323
1940,0.115,2.69e-06,0.000731,0.00332
1941,0.127,2.78e-06,0.000745,0.0034
1942,0.143,2.8500000000000002e-06,0.000758,0.00349
1943,0.163,2.92e-06,0.000772,0.0035800000000000003
1944,0.187,2.98e-06,0.000786,0.00367
1945,0.214,3.05e-06,0.0008,0.00376
1946,0.244,3.1199999999999998e-06,0.000816,0.0038599999999999997
1947,0.276,3.19e-06,0.000834,0.00396
1948,0.311,3.28e-06,0.0008539999999999999,0.004059999999999999
1949,0.346,3.3800000000000002e-06,0.000876,0.00418
1950,0.382,3.5e-06,0.000901,0.0043
1951,0.42,3.66e-06,0.000933,0.00445
1952,0.461,3.87e-06,0.0009739999999999999,0.00463
1953,0.506,4.13e-06,0.00102,0.00484
1954,0.554,4.43e-06,0.00108,0.00507
1955,0.607,4.75e-06,0.00115,0.0053
1956,0.665,5.1e-06,0.00121,0.00551
1957,0.729,5.45e-06,0.0012900000000000001,0.00571
1958,0.798,5.7999999999999995e-06,0.00136,0.00587
1959,0.874,6.15e-06,0.0014399999999999999,0.00598
1960,0.957,6.48e-06,0.00151,0.00604
1961,1.04,6.83e-06,0.00159,0.0059900000000000005
1962,1.11,7.24e-06,0.0016799999999999999,0.00604
1963,1.19,7.680000000000001e-06,0.0017800000000000001,0.00619
1964,1.29,8.13e-06,0.00188,0.00638
1965,1.41,8.57e-06,0.00198,0.00652
1966,1.56,8.98e-06,0.00209,0.0067
1967,1.75,9.339999999999999e-06,0.0022,0.0067599999999999995
1968,2.0,9.62e-06,0.0023,0.0069299999999999995
1969,2.3,9.8e-06,0.0024100000000000002,0.00709
1970,2.79,9.87e-06,0.00556,0.00726
1971,3.77,9.72e-06,0.00723,0.0074199999999999995
1972,4.13,9.509999999999999e-06,0.00872,0.00734
1973,5.38,1.03e-05,0.0103,0.00787
1974,5.39,9.86e-06,0.0119,0.0070999999999999995
1975,5.26,1.1900000000000001e-05,0.0135,0.00598
1976,6.5,3.16e-05,0.0159,0.00396
1977,5.87,2.49e-05,0.0184,0.00484
1978,6.71,1.8200000000000002e-05,0.0208,0.005719999999999999
1979,3.92,2.2599999999999997e-05,0.0233,0.0057
1980,3.69,1.66e-05,0.0258,0.00633
1981,2.47,1.61e-05,0.0275,0.00664
1982,2.1,1.98e-05,0.0292,0.00707
1983,2.02,2.23e-05,0.0308,0.0076100000000000004
1984,2.78,1.83e-05,0.0339,0.00817
1985,2.47,2.14e-05,0.0359,0.00873
1986,1.65,2.3e-05,0.039299999999999995,0.0095
1987,1.25,2.61e-05,0.042,0.010199999999999999
1988,0.906,2.79e-05,0.0441,0.0108
1989,0.854,2.2499999999999998e-05,0.0466,0.0116
1990,0.843,2.99e-05,0.0485,0.0124
1991,0.961,3.18e-05,0.0513,0.0132
1992,1.0,3.1899999999999996e-05,0.053700000000000005,0.0141
1993,1.04,3.12e-05,0.056600000000000004,0.015099999999999999
1994,1.09,3.11e-05,0.0592,0.0162
1995,1.11,3.3e-05,0.063,0.0173
1996,1.13,6.87e-05,0.067,0.018600000000000002
1997,1.06,0.00010499999999999999,0.072,0.019899999999999998
1998,0.99,0.00014000000000000001,0.07579999999999999,0.0214
1999,0.953,0.000176,0.0808,0.0229
2000,0.962,0.000212,0.0849,0.024
2001,0.998,0.000248,0.0928,0.0254
2002,0.956,0.000283,0.1,0.0268
2003,1.02,0.000319,0.109,0.028300000000000002
2004,1.02,0.00035499999999999996,0.117,0.028399999999999998
2005,1.06,0.00039,0.126,0.0325
2006,1.1,0.000426,0.145,0.0342
2007,1.09,0.000462,0.165,0.0359
2008,1.09,0.000498,0.186,0.0378
2009,1.04,0.0005340000000000001,0.206,0.0443
2010,1.09,0.000569,0.226,0.0385
2011,1.15,0.000605,0.234,0.038700000000000005
2012,1.19,0.000641,0.241,0.0391
2013,1.25,0.0006770000000000001,0.248,0.0434
2014,1.21,0.0006770000000000001,0.256,0.046700000000000005
2015,1.31,0.0006770000000000001,0.26,0.048299999999999996
2016,1.27,0.000757,0.29,0.049
2017,1.29,0.00079,0.304,0.0502
2018,1.31,0.000823,0.317,0.0505