year,IPC1,IPC2,IPC4,IPCMAG
1850,0.139,0.072,2.66e-06,0.000289
1851,0.15,0.0777,2.87e-06,0.000312
1852,0.15,0.0777,2.87e-06,0.000312
1853,0.165,0.0852,3.15e-06,0.00034300000000000004
1854,0.235,0.121,4.47e-06,0.00048699999999999997
1855,0.257,0.133,4.890000000000001e-06,0.000533
1856,0.304,0.157,5.7999999999999995e-06,0.000632
1857,0.304,0.157,5.7999999999999995e-06,0.000632
1858,0.268,0.138,5.1e-06,0.0005560000000000001
1859,0.326,0.169,6.22e-06,0.0006770000000000001
1860,0.334,0.172,6.36e-06,0.0006929999999999999
1861,0.429,0.222,8.18e-06,0.000891
1862,0.37,0.191,7.06e-06,0.000769
1863,0.363,0.188,6.92e-06,0.000754
1864,0.477,0.246,9.090000000000001e-06,0.00099
1865,0.473,0.244,9.02e-06,0.000982
1866,0.521,0.269,9.93e-06,0.00108
1867,0.623,0.322,1.1900000000000001e-05,0.0012900000000000001
1868,0.634,0.328,1.21e-05,0.00132
1869,0.554,0.286,1.06e-05,0.00115
1870,0.631,0.326,1.2e-05,0.00131
1871,0.612,0.316,1.17e-05,0.00127
1872,0.656,0.339,1.25e-05,0.00136
1873,0.656,0.339,1.25e-05,0.00136
1874,0.818,0.422,1.56e-05,0.0017
1875,1.02,0.528,1.95e-05,0.00212
1876,0.906,0.468,1.73e-05,0.00188
1877,1.22,0.631,2.33e-05,0.0025299999999999997
1878,1.09,0.564,2.0799999999999997e-05,0.00227
1879,1.14,0.591,2.18e-05,0.00237
1880,1.25,0.646,2.3800000000000003e-05,0.0026
1881,1.29,0.669,2.47e-05,0.00269
1882,1.41,0.729,2.69e-05,0.0029300000000000003
1883,1.53,0.788,2.91e-05,0.00317
1884,1.56,0.805,2.97e-05,0.0032400000000000003
1885,1.79,0.922,3.4e-05,0.0037099999999999998
1886,1.74,0.9,3.32e-05,0.00362
1887,1.68,0.869,3.2099999999999994e-05,0.00349
1888,1.95,1.01,3.71e-05,0.00404
1889,2.23,1.15,4.24e-05,0.00462
1890,2.08,1.05,3.96e-05,0.00432
1891,2.41,1.05,4.6e-05,0.00501
1892,2.47,1.05,4.71e-05,0.00512
1893,2.46,1.06,4.7e-05,0.00512
1894,2.9,1.06,5.54e-05,0.006030000000000001
1895,3.06,1.06,5.84e-05,0.00636
1896,3.13,1.07,5.96e-05,0.00649
1897,3.39,1.07,6.46e-05,0.007030000000000001
1898,3.39,1.08,6.46e-05,0.007030000000000001
1899,4.05,1.08,7.73e-05,0.00841
1900,4.16,1.09,7.929999999999999e-05,0.00863
1901,3.89,1.09,7.43e-05,0.00808
1902,4.25,1.1,8.1e-05,0.00881
1903,4.24,1.1,8.08e-05,0.0088
1904,4.16,1.11,7.939999999999999e-05,0.00864
1905,4.16,1.12,7.92e-05,0.00862
1906,4.23,1.13,8.060000000000001e-05,0.00878
1907,4.79,1.13,9.120000000000001e-05,0.00993
1908,5.72,1.14,0.00010899999999999999,0.0119
1909,5.77,1.15,0.00011,0.012
1910,5.94,1.16,0.00011300000000000001,0.0123
1911,6.08,1.17,0.000116,0.0126
1912,6.88,1.18,0.000131,0.0143
1913,6.92,1.19,0.000132,0.0144
1914,7.72,1.21,0.000147,0.016
1915,8.46,1.22,0.000161,0.0176
1916,7.9,1.23,0.00015099999999999998,0.016399999999999998
1917,3.5,1.25,6.67e-05,0.00726
1918,4.46,1.27,8.5e-05,0.00925
1919,5.3,1.29,0.000101,0.011
1920,5.31,1.32,0.000101,0.011
1921,3.38,1.35,6.44e-05,0.00701
1922,6.49,1.41,0.000124,0.0135
1923,6.8,1.49,0.00013000000000000002,0.0141
1924,7.73,1.58,0.000147,0.0161
1925,7.6,1.68,0.000145,0.0158
1926,6.37,1.78,0.000121,0.0132
1927,8.54,2.02,0.000163,0.0177
1928,8.3,2.15,0.000158,0.0172
1929,9.37,2.25,0.000179,0.019399999999999997
1930,8.57,2.34,0.000163,0.0178
1931,7.99,2.37,0.000152,0.0166
1932,8.53,2.46,0.000163,0.0177
1933,9.08,2.54,0.00017299999999999998,0.0188
1934,9.37,2.64,0.000179,0.019399999999999997
1935,9.66,2.73,0.000184,0.02
1936,10.3,2.83,0.00019600000000000002,0.0214
1937,11.6,2.92,0.000221,0.0241
1938,10.3,3.01,0.00019700000000000002,0.0214
1939,12.3,3.11,0.000235,0.0256
1940,6.36,3.16,0.000121,0.0132
1941,4.67,3.22,8.89e-05,0.00967
1942,4.45,3.31,8.47e-05,0.00922
1943,5.31,3.33,0.000101,0.011
1944,4.74,3.39,9.01e-05,0.009810000000000001
1945,3.96,3.35,7.52e-05,0.00819
1946,6.88,3.55,0.000131,0.014199999999999999
1947,10.4,3.63,0.00019800000000000002,0.0216
1948,10.8,3.74,0.000205,0.0223
1949,10.1,3.86,0.000193,0.021
1950,8.18,3.95,0.000155,0.0169
1951,9.17,4.17,0.000174,0.019
1952,9.38,4.4,0.000178,0.019399999999999997
1953,9.45,4.72,0.000179,0.0195
1954,9.56,5.08,0.00018099999999999998,0.0197
1955,11.1,5.49,0.00020999999999999998,0.0229
1956,11.6,5.97,0.00022,0.023899999999999998
1957,10.9,6.48,0.000207,0.022600000000000002
1958,10.8,6.96,0.000204,0.0222
1959,11.3,7.48,0.000215,0.023399999999999997
1960,12.6,7.96,0.00023899999999999998,0.026
1961,12.8,8.51,0.000242,0.0264
1962,13.5,9.13,0.000255,0.027800000000000002
1963,14.4,9.75,0.000272,0.0296
1964,15.5,10.4,0.000294,0.032
1965,15.7,11.1,0.000298,0.0324
1966,18.8,11.9,0.000356,0.038700000000000005
1967,18.4,12.7,0.000348,0.037899999999999996
1968,20.1,13.4,0.000381,0.0415
1969,21.1,14.0,0.0004,0.0435
1970,26.8,12.6,0.000376,0.0499
1971,25.9,12.1,0.000376,0.058
1972,28.1,13.0,0.000376,0.0677
1973,29.2,13.6,0.000376,0.0767
1974,26.5,12.7,0.000376,0.0851
1975,28.5,11.4,0.000376,0.09390000000000001
1976,28.1,11.8,0.000376,0.102
1977,29.9,11.2,0.000376,0.113
1978,33.7,10.7,0.000376,0.119
1979,33.2,11.4,0.000376,0.127
1980,37.0,10.5,0.000376,0.141
1981,39.4,9.76,0.000376,0.151
1982,40.2,7.28,0.000376,0.154
1983,36.7,6.95,0.000376,0.166
1984,39.7,8.49,0.000376,0.172
1985,39.9,8.04,0.000376,0.186
1986,46.2,7.19,0.000376,0.193
1987,39.9,7.29,0.000376,0.202
1988,41.8,8.48,0.000376,0.21
1989,48.7,7.74,0.000376,0.219
1990,30.9,7.2,0.000376,0.228
1991,31.5,6.88,0.000376,0.22
1992,31.4,6.82,0.000377,0.212
1993,34.5,7.11,0.000322,0.205
1994,33.2,7.4,0.00035299999999999996,0.198
1995,32.6,7.62,0.000289,0.19
1996,32.5,7.69,0.000265,0.181
1997,35.3,8.2,0.00027800000000000004,0.173
1998,37.0,8.6,0.00029299999999999997,0.166
1999,39.8,8.39,0.000246,0.157
2000,38.8,8.88,0.000145,0.15
2001,41.1,8.91,0.000145,0.142
2002,37.2,8.71,8.57e-05,0.133
2003,44.4,8.73,8.57e-05,0.125
2004,42.0,8.83,8.57e-05,0.119
2005,41.6,8.16,8.57e-05,0.111
2006,43.4,7.96,8.21e-05,0.103
2007,44.3,8.52,9.080000000000001e-05,0.09559999999999999
2008,54.8,9.75,9.95e-05,0.0875
2009,54.8,7.84,9.98e-05,0.08070000000000001
2010,59.5,8.2,9.279999999999999e-05,0.0722
2011,44.5,8.08,0.00010499999999999999,0.0682
2012,49.1,8.15,0.000536,0.0631
2013,57.3,7.78,9.56e-05,0.00638
2014,46.8,8.06,8.18e-05,0.0319
2015,46.9,8.12,8.7e-05,0.00638
2016,45.4,8.09,9.850000000000001e-05,0.0063
2017,44.8,12.0,9.41e-05,0.0063
2018,45.6,11.9,9.83e-05,0.0063