year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0005600000000000001,0.00033600000000000004,9.670000000000001e-08,6.05e-06
1851,0.0005899999999999999,0.000354,1.02e-07,6.37e-06
1852,0.000622,0.000373,1.07e-07,6.71e-06
1853,0.000656,0.00039400000000000004,1.1299999999999999e-07,7.08e-06
1854,0.0006919999999999999,0.000415,1.1900000000000001e-07,7.4700000000000005e-06
1855,0.00073,0.000438,1.26e-07,7.879999999999999e-06
1856,0.000769,0.000462,1.33e-07,8.3e-06
1857,0.0008110000000000001,0.00048699999999999997,1.3999999999999998e-07,8.750000000000001e-06
1858,0.0008539999999999999,0.000513,1.47e-07,9.220000000000002e-06
1859,0.000898,0.00054,1.55e-07,9.7e-06
1860,0.000944,0.0005669999999999999,1.6300000000000002e-07,1.02e-05
1861,0.000992,0.000596,1.71e-07,1.07e-05
1862,0.0010400000000000001,0.000625,1.8000000000000002e-07,1.12e-05
1863,0.00109,0.000657,1.89e-07,1.18e-05
1864,0.00115,0.0006889999999999999,1.98e-07,1.24e-05
1865,0.0012,0.0007239999999999999,2.0799999999999998e-07,1.3e-05
1866,0.00126,0.000759,2.1800000000000002e-07,1.3599999999999999e-05
1867,0.00133,0.0007970000000000001,2.29e-07,1.43e-05
1868,0.00139,0.0008349999999999999,2.4000000000000003e-07,1.4999999999999999e-05
1869,0.00146,0.000876,2.52e-07,1.57e-05
1870,0.0015300000000000001,0.0009180000000000001,2.6400000000000003e-07,1.65e-05
1871,0.0016,0.000962,2.77e-07,1.73e-05
1872,0.0016799999999999999,0.00101,2.9e-07,1.8100000000000003e-05
1873,0.00177,0.00106,3.05e-07,1.91e-05
1874,0.00185,0.00111,3.2e-07,2e-05
1875,0.00195,0.00117,3.36e-07,2.1000000000000002e-05
1876,0.00204,0.00123,3.52e-07,2.2e-05
1877,0.00214,0.00128,3.6900000000000004e-07,2.31e-05
1878,0.0022400000000000002,0.00135,3.8699999999999996e-07,2.42e-05
1879,0.00234,0.00141,4.05e-07,2.53e-05
1880,0.0024500000000000004,0.00147,4.2299999999999996e-07,2.64e-05
1881,0.00256,0.0015300000000000001,4.41e-07,2.76e-05
1882,0.00267,0.0016,4.6e-07,2.88e-05
1883,0.00262,0.00157,4.5199999999999997e-07,2.83e-05
1884,0.00367,0.0022,6.33e-07,3.96e-05
1885,0.00367,0.0022,6.33e-07,3.96e-05
1886,0.00733,0.00441,1.2700000000000001e-06,7.92e-05
1887,0.00733,0.00441,1.2700000000000001e-06,7.92e-05
1888,0.00733,0.00441,1.2700000000000001e-06,7.92e-05
1889,0.00733,0.00441,1.2700000000000001e-06,7.92e-05
1890,0.011,0.00415,1.9e-06,0.00011899999999999999
1891,0.047700000000000006,0.00415,8.229999999999999e-06,0.000515
1892,0.066,0.00415,1.1400000000000001e-05,0.000712
1893,0.047700000000000006,0.00415,8.229999999999999e-06,0.000515
1894,0.040299999999999996,0.00415,6.96e-06,0.000435
1895,0.040299999999999996,0.00415,6.96e-06,0.000435
1896,0.040299999999999996,0.00415,6.96e-06,0.000435
1897,0.040299999999999996,0.00415,6.96e-06,0.000435
1898,0.088,0.00415,1.52e-05,0.00095
1899,0.161,0.00415,2.79e-05,0.00174
1900,0.246,0.00415,4.24e-05,0.00265
1901,0.242,0.00415,4.18e-05,0.00261
1902,0.099,0.00415,1.7100000000000002e-05,0.00107
1903,0.213,0.00415,3.6700000000000004e-05,0.0023
1904,0.279,0.00415,4.81e-05,0.0030099999999999997
1905,0.352,0.00415,6.08e-05,0.0038
1906,0.429,0.0041600000000000005,7.41e-05,0.00463
1907,0.803,0.0041600000000000005,0.00013900000000000002,0.00867
1908,1.21,0.0041600000000000005,0.00020899999999999998,0.013099999999999999
1909,1.51,0.0041600000000000005,0.000261,0.016300000000000002
1910,1.33,0.0041600000000000005,0.00023,0.0144
1911,1.51,0.0041600000000000005,0.00026000000000000003,0.016300000000000002
1912,1.46,0.0041600000000000005,0.000252,0.0158
1913,1.57,0.0041600000000000005,0.000272,0.017
1914,1.55,0.0041600000000000005,0.00026700000000000004,0.0167
1915,1.89,0.0041600000000000005,0.000326,0.020399999999999998
1916,1.97,0.0041600000000000005,0.000339,0.0212
1917,2.01,0.0041600000000000005,0.00034599999999999995,0.0216
1918,1.95,0.0041600000000000005,0.00033600000000000004,0.021
1919,1.99,0.0041600000000000005,0.000342,0.0214
1920,2.15,0.0041600000000000005,0.000371,0.0232
1921,2.46,0.00429,0.000423,0.0264
1922,2.96,0.00466,0.00051,0.0319
1923,2.99,0.00524,0.000515,0.0322
1924,3.63,0.006,0.000625,0.0391
1925,4.79,0.00691,0.0008269999999999999,0.0517
1926,4.74,0.00792,0.0008179999999999999,0.0511
1927,4.69,0.0313,0.000808,0.0505
1928,5.37,0.0356,0.000925,0.0579
1929,7.07,0.0368,0.00122,0.07629999999999999
1930,5.62,0.023399999999999997,0.0009699999999999999,0.0606
1931,4.49,0.0282,0.000775,0.0484
1932,4.11,0.0259,0.000708,0.0442
1933,6.66,0.031,0.00115,0.0718
1934,6.73,0.039799999999999995,0.00116,0.0726
1935,7.15,0.048799999999999996,0.00123,0.07709999999999999
1936,7.38,0.0579,0.00127,0.07959999999999999
1937,8.78,0.0635,0.00151,0.0947
1938,7.97,0.0765,0.0013700000000000001,0.086
1939,5.8,0.0861,0.001,0.0625
1940,5.25,0.09209999999999999,0.000905,0.056600000000000004
1941,5.18,0.117,0.000893,0.055799999999999995
1942,5.96,0.131,0.00103,0.06420000000000001
1943,6.48,0.142,0.0011200000000000001,0.0699
1944,6.34,0.167,0.00109,0.0684
1945,6.16,0.179,0.00106,0.0663
1946,5.66,0.18,0.0009739999999999999,0.060899999999999996
1947,5.8,0.185,0.000999,0.0625
1948,6.26,0.201,0.00108,0.0674
1949,6.51,0.21,0.0011200000000000001,0.0701
1950,4.4,0.237,0.000757,0.047299999999999995
1951,4.62,0.258,0.000794,0.0496
1952,5.03,0.268,0.000865,0.0541
1953,5.32,0.315,0.000914,0.0572
1954,6.02,0.341,0.0010400000000000001,0.0648
1955,5.88,0.378,0.00101,0.0632
1956,6.07,0.39,0.0010400000000000001,0.06520000000000001
1957,6.44,0.395,0.00111,0.0692
1958,7.11,0.434,0.00122,0.07640000000000001
1959,6.96,0.433,0.0012,0.07479999999999999
1960,7.91,0.454,0.00136,0.085
1961,8.38,0.462,0.0014399999999999999,0.0901
1962,9.66,0.524,0.00166,0.104
1963,9.9,0.566,0.0017,0.106
1964,11.9,0.608,0.0020499999999999997,0.128
1965,11.5,0.721,0.00198,0.124
1966,12.8,0.762,0.0022,0.137
1967,13.2,0.79,0.00226,0.142
1968,14.0,0.819,0.0024100000000000002,0.151
1969,14.8,0.853,0.00254,0.159
1970,17.3,0.865,0.00272,0.108
1971,17.9,1.01,0.00272,0.136
1972,17.4,1.12,0.00285,0.12
1973,18.6,1.48,0.0029500000000000004,0.128
1974,20.5,1.24,0.0030600000000000002,0.202
1975,21.1,1.24,0.00318,0.138
1976,21.5,1.34,0.0033,0.14
1977,22.4,1.31,0.00342,0.146
1978,21.5,1.34,0.0035499999999999998,0.142
1979,21.1,1.52,0.00368,0.123
1980,23.1,1.35,0.00381,0.108
1981,22.6,1.89,0.00394,0.117
1982,22.4,1.64,0.004059999999999999,0.0864
1983,19.5,1.36,0.00419,0.0751
1984,19.8,1.34,0.00431,0.0677
1985,18.7,1.26,0.00444,0.0438
1986,20.8,1.49,0.00457,0.14
1987,24.5,1.62,0.0047,0.18
1988,23.9,1.59,0.00484,0.173
1989,20.8,1.32,0.00497,0.119
1990,20.0,1.43,0.00511,0.08120000000000001
1991,19.3,1.5,0.00525,0.0699
1992,19.4,1.43,0.00538,0.0606
1993,22.5,1.64,0.00552,0.107
1994,21.7,1.79,0.00566,0.12
1995,22.0,2.07,0.00579,0.143
1996,22.7,2.06,0.0059299999999999995,0.167
1997,25.6,2.26,0.00605,0.188
1998,25.8,2.28,0.00618,0.177
1999,27.5,2.01,0.00631,0.177
2000,28.5,2.06,0.006730000000000001,0.198
2001,25.4,2.08,0.006860000000000001,0.211
2002,25.4,2.06,0.00698,0.205
2003,24.6,2.09,0.00711,0.248
2004,29.9,2.33,0.00724,0.235
2005,34.9,2.51,0.00737,0.243
2006,32.2,2.79,0.00749,0.235
2007,40.1,2.92,0.00763,0.244
2008,37.8,3.19,0.00774,0.241
2009,47.9,3.55,0.00786,0.238
2010,53.7,3.65,0.007980000000000001,0.247
2011,45.7,3.78,0.00811,0.253
2012,50.3,4.45,0.00824,0.256
2013,52.2,4.66,0.008369999999999999,0.28
2014,56.8,4.75,0.0085,0.27
2015,61.4,4.54,0.00863,0.288
2016,60.5,4.43,0.00876,0.267
2017,55.2,4.46,0.00889,0.268
2018,57.0,4.45,0.00902,0.268