year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0,0.0,0.0,0.0
1851,0.0,0.0,0.0,0.0
1852,0.0,0.0,0.0,0.0
1853,0.0,0.0,0.0,0.0
1854,0.0,0.0,0.0,0.0
1855,0.0,0.0,0.0,0.0
1856,0.0,0.0,0.0,0.0
1857,0.0,0.0,0.0,0.0
1858,0.0,0.0,0.0,0.0
1859,0.0,0.0,0.0,0.0
1860,0.0,0.0,0.0,0.0
1861,0.0,0.0,0.0,0.0
1862,0.0,0.0,0.0,0.0
1863,0.0,0.0,0.0,0.0
1864,0.0,0.0,0.0,0.0
1865,0.0,0.0,0.0,0.0
1866,0.0,0.0,0.0,0.0
1867,0.0,0.0,0.0,0.0
1868,0.0,0.0,0.0,0.0
1869,0.0,0.0,0.0,0.0
1870,0.0,0.0,0.0,0.0
1871,0.0,0.0,0.0,0.0
1872,0.0,0.0,0.0,0.0
1873,0.0,0.0,0.0,0.0
1874,0.0,0.0,0.0,0.0
1875,0.0,0.0,0.0,0.0
1876,0.0,0.0,0.0,0.0
1877,0.0,0.0,0.0,0.0
1878,0.0,0.0,0.0,0.0
1879,0.0,0.0,0.0,0.0
1880,0.0,0.0,0.0,0.0
1881,8.56e-05,0.0441,3.1200000000000004e-09,3.5899999999999997e-07
1882,0.000202,0.104,7.38e-09,8.48e-07
1883,0.00034399999999999996,0.177,1.26e-08,1.4400000000000002e-06
1884,0.000506,0.261,1.85e-08,2.12e-06
1885,0.000683,0.352,2.4899999999999998e-08,2.87e-06
1886,0.000892,0.459,3.25e-08,3.7399999999999998e-06
1887,0.00115,0.59,4.18e-08,4.81e-06
1888,0.0014299999999999998,0.737,5.2200000000000004e-08,6e-06
1889,0.00174,0.895,6.34e-08,7.29e-06
1890,0.0019199999999999998,0.673,7.480000000000001e-08,8.6e-06
1891,0.00221,0.673,8.72e-08,1e-05
1892,0.0024500000000000004,0.674,9.66e-08,1.11e-05
1893,0.00419,0.674,1.71e-07,1.9699999999999998e-05
1894,0.00777,0.675,3.27e-07,3.76e-05
1895,0.00784,0.675,3.27e-07,3.76e-05
1896,0.00877,0.676,3.6400000000000003e-07,4.19e-05
1897,0.007019999999999999,0.677,2.83e-07,3.26e-05
1898,0.0104,0.677,4.3e-07,4.94e-05
1899,0.012199999999999999,0.678,5.01e-07,5.77e-05
1900,0.016300000000000002,0.679,6.79e-07,7.81e-05
1901,0.0179,0.68,7.41e-07,8.52e-05
1902,0.0172,0.681,6.95e-07,7.99e-05
1903,0.019,0.682,7.54e-07,8.669999999999999e-05
1904,0.0207,0.684,8.04e-07,9.24e-05
1905,0.0228,0.685,8.720000000000001e-07,0.0001
1906,0.0272,0.687,1.04e-06,0.00011999999999999999
1907,0.0281,0.689,1.06e-06,0.000122
1908,0.0303,0.691,1.1399999999999999e-06,0.000131
1909,0.0313,0.692,1.17e-06,0.000135
1910,0.031100000000000003,0.694,1.16e-06,0.000134
1911,0.033299999999999996,0.696,1.26e-06,0.000145
1912,0.0338,0.699,1.29e-06,0.000148
1913,0.0847,0.701,3.54e-06,0.00040699999999999997
1914,0.0828,0.703,3.47e-06,0.000399
1915,0.0783,0.706,3.28e-06,0.000377
1916,0.0725,0.709,3.04e-06,0.00035
1917,0.0668,0.712,2.8e-06,0.000322
1918,0.0624,0.715,2.61e-06,0.0003
1919,0.0605,0.718,2.5400000000000002e-06,0.000292
1920,0.0793,0.722,3.3700000000000003e-06,0.000388
1921,0.0845,0.726,3.59e-06,0.00041299999999999996
1922,0.207,0.73,8.949999999999999e-06,0.00103
1923,0.215,0.735,9.299999999999999e-06,0.00107
1924,0.222,0.74,9.56e-06,0.0011
1925,0.266,0.745,1.15e-05,0.00132
1926,0.277,0.751,1.1900000000000001e-05,0.0013700000000000001
1927,0.32,0.757,1.3700000000000001e-05,0.00158
1928,0.347,0.897,1.49e-05,0.00171
1929,0.385,0.77,1.66e-05,0.0019
1930,0.434,0.777,1.87e-05,0.00215
1931,0.301,0.932,1.2800000000000001e-05,0.00148
1932,0.336,0.902,1.44e-05,0.00165
1933,0.308,0.907,1.31e-05,0.00151
1934,0.302,0.919,1.29e-05,0.00148
1935,0.298,0.948,1.2699999999999999e-05,0.00146
1936,0.342,0.935,1.46e-05,0.0016799999999999999
1937,0.345,0.943,1.48e-05,0.0017
1938,0.171,0.973,7.09e-06,0.000815
1939,0.18,0.98,7.4700000000000005e-06,0.000858
1940,0.21,0.889,8.82e-06,0.00101
1941,0.159,0.945,6.55e-06,0.000753
1942,0.0633,1.04,2.33e-06,0.000268
1943,0.0116,1.12,6.329999999999999e-08,7.28e-06
1944,0.045899999999999996,1.12,1.5800000000000001e-06,0.000182
1945,0.135,1.13,5.53e-06,0.000635
1946,0.232,1.28,9.8e-06,0.00113
1947,0.322,1.47,1.38e-05,0.00158
1948,0.358,1.55,1.54e-05,0.00177
1949,0.431,1.67,1.8599999999999998e-05,0.00214
1950,0.93,1.76,4.06e-05,0.00467
1951,0.887,1.89,3.87e-05,0.00445
1952,0.755,2.11,3.2800000000000004e-05,0.00377
1953,1.03,2.34,4.4699999999999996e-05,0.00514
1954,1.15,2.64,5.02e-05,0.00578
1955,1.25,2.98,5.43e-05,0.00624
1956,1.42,3.3,6.21e-05,0.00714
1957,1.62,3.72,7.049999999999999e-05,0.0081
1958,1.67,4.06,7.280000000000001e-05,0.00838
1959,1.97,4.44,8.57e-05,0.009859999999999999
1960,2.29,4.8,9.99e-05,0.0115
1961,2.37,5.11,0.000104,0.0119
1962,2.57,5.47,0.000112,0.0129
1963,2.98,5.86,0.00013000000000000002,0.015
1964,3.59,6.23,0.000157,0.0181
1965,4.41,6.59,0.000193,0.0222
1966,4.96,6.98,0.00021799999999999999,0.025
1967,6.22,7.37,0.000273,0.0314
1968,7.4,7.85,0.000325,0.037399999999999996
1969,8.21,8.3,0.000361,0.0415
1970,11.0,7.63,0.000299,0.0423
1971,11.5,7.22,0.000299,0.0423
1972,10.7,7.52,0.000299,0.0423
1973,16.0,7.44,0.000299,0.0424
1974,15.8,6.84,0.000299,0.0429
1975,15.9,7.17,0.000299,0.0448
1976,17.0,6.1,0.000299,0.047200000000000006
1977,17.1,5.4,0.000299,0.0484
1978,20.6,5.18,0.000299,0.0504
1979,23.2,5.77,0.000299,0.0581
1980,23.1,4.94,0.000299,0.0549
1981,20.0,4.98,0.000299,0.0565
1982,20.0,3.98,0.000299,0.0588
1983,20.4,3.34,0.000299,0.0484
1984,20.7,3.74,0.000299,0.0938
1985,21.0,3.72,0.000299,0.1
1986,22.6,4.25,0.000299,0.07479999999999999
1987,23.2,4.49,0.000299,0.08220000000000001
1988,24.7,4.4,0.000299,0.062299999999999994
1989,24.3,4.22,0.000299,0.0984
1990,25.1,4.3,0.000352,0.07970000000000001
1991,21.4,3.19,0.000352,0.0518
1992,15.7,2.22,0.000352,0.0983
1993,16.0,2.13,0.000352,0.09090000000000001
1994,15.5,2.37,0.000352,0.0516
1995,16.2,2.09,0.000352,0.027600000000000003
1996,16.1,2.2,0.000352,0.0315
1997,17.9,2.26,0.0011899999999999999,0.0518
1998,19.0,2.06,0.0024100000000000002,0.0253
1999,18.7,2.43,0.00285,0.028
2000,17.9,2.57,0.004,0.0345
2001,18.8,2.64,0.00435,0.027100000000000003
2002,19.8,2.71,0.00246,0.039
2003,21.2,2.82,0.000526,0.0466
2004,20.5,3.47,0.000232,0.0425
2005,20.9,3.44,0.00011,0.044
2006,20.8,3.73,0.00048699999999999997,0.046299999999999994
2007,22.1,3.89,0.000428,0.0466
2008,20.9,3.71,0.000437,0.0464
2009,19.7,2.71,0.000309,0.0381
2010,18.9,2.81,9.080000000000001e-05,0.037
2011,18.6,2.59,3.4200000000000005e-05,0.0456
2012,16.9,2.53,5.55e-05,0.052
2013,16.4,2.66,2.86e-05,0.0511
2014,15.7,2.87,3.04e-05,0.0433
2015,16.1,2.81,3.09e-05,0.039
2016,16.5,2.66,1.89e-05,0.0385
2017,17.0,2.95,1.1599999999999999e-05,0.038
2018,16.4,2.94,7.07e-06,0.0376