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
1881,0.00041099999999999996,0.02,4.38e-08,1.3e-07
1882,0.000972,0.0471,1.03e-07,3.06e-07
1883,0.00165,0.0803,1.76e-07,5.21e-07
1884,0.0024300000000000003,0.118,2.5900000000000003e-07,7.67e-07
1885,0.00328,0.159,3.5e-07,1.03e-06
1886,0.00429,0.208,4.57e-07,1.35e-06
1887,0.00551,0.267,5.860000000000001e-07,1.73e-06
1888,0.00688,0.334,7.33e-07,2.17e-06
1889,0.00835,0.405,8.890000000000001e-07,2.63e-06
1890,0.00956,0.305,1.05e-06,3.1e-06
1891,0.0111,0.305,1.22e-06,3.62e-06
1892,0.0123,0.305,1.35e-06,4.01e-06
1893,0.0214,0.305,2.4e-06,7.11e-06
1894,0.0405,0.305,4.59e-06,1.3599999999999999e-05
1895,0.040600000000000004,0.306,4.59e-06,1.3599999999999999e-05
1896,0.0453,0.306,5.11e-06,1.5100000000000001e-05
1897,0.0357,0.306,3.98e-06,1.18e-05
1898,0.053700000000000005,0.307,6.03e-06,1.78e-05
1899,0.0626,0.307,7.04e-06,2.0799999999999997e-05
1900,0.0844,0.307,9.53e-06,2.82e-05
1901,0.09240000000000001,0.308,1.0399999999999999e-05,3.08e-05
1902,0.0875,0.308,9.75e-06,2.88e-05
1903,0.09570000000000001,0.309,1.06e-05,3.13e-05
1904,0.103,0.309,1.1299999999999999e-05,3.33e-05
1905,0.112,0.31,1.22e-05,3.6200000000000006e-05
1906,0.134,0.311,1.46e-05,4.3299999999999995e-05
1907,0.138,0.312,1.49e-05,4.41e-05
1908,0.148,0.313,1.6e-05,4.74e-05
1909,0.153,0.313,1.65e-05,4.87e-05
1910,0.151,0.314,1.63e-05,4.82e-05
1911,0.163,0.315,1.77e-05,5.22e-05
1912,0.167,0.316,1.8100000000000003e-05,5.35e-05
1913,0.439,0.317,4.97e-05,0.000147
1914,0.43,0.318,4.8599999999999995e-05,0.00014399999999999998
1915,0.407,0.32,4.6e-05,0.000136
1916,0.377,0.321,4.27e-05,0.000126
1917,0.347,0.322,3.93e-05,0.000116
1918,0.324,0.324,3.6700000000000004e-05,0.000108
1919,0.314,0.325,3.56e-05,0.00010499999999999999
1920,0.415,0.327,4.7300000000000005e-05,0.00014000000000000001
1921,0.442,0.328,5.0299999999999996e-05,0.000149
1922,0.673,0.33,7.69e-05,0.000228
1923,0.731,0.332,8.340000000000001e-05,0.000247
1924,0.751,0.335,8.56e-05,0.000253
1925,0.834,0.337,9.49e-05,0.00028100000000000005
1926,0.822,0.34,9.32e-05,0.00027600000000000004
1927,0.93,0.342,0.000106,0.000312
1928,1.01,0.406,0.000115,0.000339
1929,1.15,0.411,0.00013000000000000002,0.00038500000000000003
1930,1.11,0.417,0.000126,0.000372
1931,0.944,0.422,0.000107,0.000315
1932,0.894,0.408,0.000101,0.000298
1933,0.826,0.411,9.29e-05,0.000275
1934,0.853,0.416,9.6e-05,0.00028399999999999996
1935,0.88,0.429,9.92e-05,0.00029299999999999997
1936,0.893,0.423,0.000101,0.000298
1937,0.984,0.427,0.000111,0.00032900000000000003
1938,0.868,0.441,9.769999999999999e-05,0.000289
1939,0.913,0.444,0.000103,0.000305
1940,1.09,0.402,0.000123,0.000364
1941,0.811,0.428,9.11e-05,0.00026900000000000003
1942,0.299,0.471,3.2e-05,9.45e-05
1943,0.023399999999999997,0.506,1.0399999999999999e-07,3.08e-07
1944,0.0446,0.474,2.5999999999999997e-06,7.69e-06
1945,0.561,0.513,6.24e-05,0.000185
1946,1.06,0.581,0.00011999999999999999,0.000356
1947,1.45,0.667,0.000165,0.000489
1948,1.64,0.704,0.000187,0.000554
1949,1.88,0.755,0.000216,0.000637
1950,2.0,0.798,0.000229,0.0006770000000000001
1951,1.9,0.856,0.000217,0.000642
1952,1.85,0.955,0.000211,0.000624
1953,1.94,1.06,0.000221,0.0006540000000000001
1954,2.29,1.2,0.000262,0.0007740000000000001
1955,2.59,1.35,0.000296,0.000876
1956,2.98,1.49,0.00034,0.00101
1957,3.25,1.68,0.000371,0.0011
1958,3.23,1.84,0.000368,0.00109
1959,3.72,2.01,0.000425,0.00126
1960,4.12,2.17,0.00047099999999999996,0.00139
1961,4.31,2.32,0.000493,0.00146
1962,4.47,2.48,0.0005110000000000001,0.00151
1963,5.01,2.65,0.0005729999999999999,0.0016899999999999999
1964,5.74,2.82,0.0006580000000000001,0.00195
1965,6.16,2.98,0.0007059999999999999,0.00209
1966,6.32,3.16,0.0007239999999999999,0.00214
1967,6.82,3.34,0.0007830000000000001,0.00231
1968,7.55,3.55,0.000866,0.00256
1969,8.03,3.76,0.0009180000000000001,0.00271
1970,10.6,3.52,0.000874,0.00318
1971,11.2,3.44,0.000874,0.00317
1972,10.3,3.54,0.000874,0.00315
1973,13.7,3.72,0.000874,0.00314
1974,13.6,3.75,0.000874,0.00316
1975,13.9,3.43,0.000874,0.00328
1976,14.6,3.52,0.000874,0.0034500000000000004
1977,14.3,3.52,0.000874,0.00354
1978,16.6,3.46,0.000874,0.00369
1979,18.4,3.62,0.000874,0.00426
1980,18.1,3.49,0.000874,0.00401
1981,17.5,3.38,0.000874,0.00412
1982,16.5,3.03,0.000874,0.00428
1983,17.6,2.79,0.000874,0.0035299999999999997
1984,18.0,2.82,0.000874,0.006849999999999999
1985,18.2,2.7,0.000874,0.00731
1986,19.3,2.68,0.000874,0.00533
1987,19.3,2.75,0.000874,0.00583
1988,20.2,2.88,0.000874,0.00436
1989,20.0,2.9,0.000874,0.00723
1990,20.4,2.84,0.000874,0.00584
1991,15.6,2.45,0.000874,0.00378
1992,12.1,2.74,0.000874,0.00766
1993,12.8,2.37,0.000874,0.00617
1994,12.9,2.52,0.0005679999999999999,0.0044
1995,13.9,1.64,0.000287,0.010199999999999999
1996,14.4,1.69,0.000417,0.00771
1997,15.3,1.51,0.000206,0.005719999999999999
1998,14.6,1.46,0.000481,0.0212
1999,14.6,1.38,0.00116,0.0251
2000,13.8,1.41,0.0014199999999999998,0.027399999999999997
2001,14.6,1.44,0.0014399999999999999,0.0251
2002,14.8,1.38,0.00128,0.030199999999999998
2003,14.8,1.45,0.0018,0.030100000000000002
2004,15.2,1.53,0.00155,0.032799999999999996
2005,15.3,1.56,0.00149,0.0342
2006,15.6,1.54,0.0018,0.0253
2007,15.6,1.53,0.0022299999999999998,0.0177
2008,16.6,1.45,0.00234,0.014
2009,14.7,1.19,0.00289,0.0176
2010,14.9,1.13,0.0034500000000000004,0.0108
2011,14.8,1.09,0.00346,0.0099
2012,14.3,1.17,0.00862,0.009779999999999999
2013,13.6,1.25,0.0077,0.00886
2014,12.2,1.28,0.00899,0.006849999999999999
2015,12.2,1.23,0.012,0.00483
2016,13.1,1.21,0.013800000000000002,0.00387
2017,13.4,1.3,0.0157,0.00382
2018,13.4,1.3,0.018,0.00377