year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000235,4.81e-07,0.00166,0.00853
1851,0.000236,5.22e-07,0.0016799999999999999,0.00853
1852,0.00023999999999999998,5.68e-07,0.0017,0.00853
1853,0.000246,6.2e-07,0.00172,0.00853
1854,0.000255,6.769999999999999e-07,0.00174,0.008539999999999999
1855,0.000265,7.4e-07,0.00176,0.008539999999999999
1856,0.00027800000000000004,8.08e-07,0.0017800000000000001,0.00855
1857,0.00029299999999999997,8.809999999999999e-07,0.0018,0.00855
1858,0.00031,9.59e-07,0.00182,0.00856
1859,0.00033,1.04e-06,0.00184,0.00857
1860,0.00035099999999999997,1.13e-06,0.00186,0.00857
1861,0.000374,1.22e-06,0.0018700000000000001,0.00858
1862,0.000399,1.32e-06,0.00189,0.00859
1863,0.000426,1.42e-06,0.0019,0.0086
1864,0.000455,1.52e-06,0.0019199999999999998,0.00862
1865,0.00048499999999999997,1.6299999999999999e-06,0.0019299999999999999,0.00863
1866,0.000517,1.74e-06,0.00195,0.00864
1867,0.0005510000000000001,1.8600000000000002e-06,0.00196,0.00865
1868,0.0005859999999999999,1.98e-06,0.00198,0.00867
1869,0.000623,2.1e-06,0.002,0.00868
1870,0.000661,2.2300000000000002e-06,0.00202,0.0087
1871,0.0007009999999999999,2.3600000000000003e-06,0.00204,0.00872
1872,0.000742,2.49e-06,0.00206,0.00873
1873,0.0007840000000000001,2.63e-06,0.00209,0.00875
1874,0.000828,2.76e-06,0.00212,0.00877
1875,0.0008719999999999999,2.8999999999999998e-06,0.00214,0.00879
1876,0.0009180000000000001,3.05e-06,0.00217,0.00881
1877,0.0009649999999999999,3.19e-06,0.0022,0.00883
1878,0.00101,3.34e-06,0.0022299999999999998,0.00885
1879,0.00106,3.49e-06,0.00226,0.00887
1880,0.00111,3.64e-06,0.00229,0.00889
1881,0.00116,3.8e-06,0.00232,0.00891
1882,0.00121,3.95e-06,0.00234,0.00894
1883,0.00126,4.11e-06,0.00237,0.008960000000000001
1884,0.00132,4.270000000000001e-06,0.0024,0.00899
1885,0.0013700000000000001,4.43e-06,0.0024300000000000003,0.00901
1886,0.0014199999999999998,4.59e-06,0.00246,0.00903
1887,0.00148,4.75e-06,0.00249,0.00906
1888,0.0015300000000000001,4.9100000000000004e-06,0.00252,0.009089999999999999
1889,0.00159,5.0800000000000005e-06,0.0025499999999999997,0.00911
1890,0.00173,7.93e-06,0.0026,0.00975
1891,0.0017900000000000001,8.48e-06,0.0026,0.00914
1892,0.00185,9.169999999999999e-06,0.0026,0.008539999999999999
1893,0.0019199999999999998,9.97e-06,0.00261,0.007980000000000001
1894,0.00199,1.09e-05,0.00262,0.00747
1895,0.00207,1.1900000000000001e-05,0.00263,0.007
1896,0.00214,1.3e-05,0.00264,0.0066
1897,0.00222,1.41e-05,0.00265,0.0062699999999999995
1898,0.00231,1.54e-05,0.00266,0.006030000000000001
1899,0.00239,1.67e-05,0.00267,0.00587
1900,0.00248,1.7999999999999997e-05,0.00269,0.0058200000000000005
1901,0.0025800000000000003,1.96e-05,0.00271,0.00583
1902,0.00269,2.1499999999999997e-05,0.0027400000000000002,0.005849999999999999
1903,0.00282,2.37e-05,0.00278,0.005889999999999999
1904,0.00296,2.6e-05,0.00283,0.00594
1905,0.00309,2.8400000000000003e-05,0.0028799999999999997,0.006
1906,0.00322,3.09e-05,0.00294,0.00608
1907,0.0033399999999999997,3.32e-05,0.0030099999999999997,0.00617
1908,0.00344,3.52e-05,0.0030800000000000003,0.0062699999999999995
1909,0.00352,3.7e-05,0.00315,0.00638
1910,0.00357,3.84e-05,0.00323,0.0065
1911,0.00359,3.95e-05,0.00331,0.00683
1912,0.0035800000000000003,4.04e-05,0.00342,0.00753
1913,0.0035600000000000002,4.13e-05,0.00354,0.00853
1914,0.0035299999999999997,4.2000000000000004e-05,0.00367,0.009800000000000001
1915,0.00349,4.27e-05,0.00381,0.011300000000000001
1916,0.0034500000000000004,4.3299999999999995e-05,0.00395,0.0129
1917,0.00342,4.4e-05,0.0040999999999999995,0.0146
1918,0.0034,4.48e-05,0.00424,0.016399999999999998
1919,0.0033900000000000002,4.5600000000000004e-05,0.00438,0.0181
1920,0.0034100000000000003,4.66e-05,0.0045,0.0198
1921,0.0034500000000000004,4.7600000000000005e-05,0.00462,0.0217
1922,0.0035099999999999997,4.87e-05,0.004730000000000001,0.0241
1923,0.0035800000000000003,4.98e-05,0.00484,0.0268
1924,0.00367,5.1e-05,0.004940000000000001,0.0297
1925,0.00376,5.23e-05,0.00504,0.0325
1926,0.0038599999999999997,5.37e-05,0.00515,0.0352
1927,0.0039700000000000004,5.5100000000000004e-05,0.00526,0.0376
1928,0.004070000000000001,5.67e-05,0.00538,0.0395
1929,0.00418,5.84e-05,0.00551,0.0407
1930,0.00429,6.03e-05,0.0056500000000000005,0.041100000000000005
1931,0.00442,6.25e-05,0.0058,0.040600000000000004
1932,0.0046,6.510000000000001e-05,0.00598,0.0391
1933,0.00481,6.809999999999999e-05,0.0061600000000000005,0.036899999999999995
1934,0.00504,7.149999999999999e-05,0.00636,0.0342
1935,0.00529,7.5e-05,0.00657,0.0313
1936,0.00553,7.86e-05,0.00679,0.028399999999999998
1937,0.00575,8.219999999999999e-05,0.007019999999999999,0.0257
1938,0.00595,8.58e-05,0.00724,0.0235
1939,0.00611,8.92e-05,0.0074800000000000005,0.022
1940,0.00621,9.23e-05,0.00771,0.0215
1941,0.00632,9.510000000000001e-05,0.007940000000000001,0.022
1942,0.00649,9.75e-05,0.00818,0.023399999999999997
1943,0.00671,9.99e-05,0.00842,0.0255
1944,0.00698,0.000102,0.00867,0.0281
1945,0.00728,0.000104,0.00893,0.031
1946,0.0076100000000000004,0.000107,0.00919,0.034
1947,0.00795,0.00010899999999999999,0.009460000000000001,0.037
1948,0.008289999999999999,0.000112,0.00975,0.0396
1949,0.00863,0.000116,0.01,0.0418
1950,0.008960000000000001,0.00011999999999999999,0.0104,0.0433
1951,0.00934,0.000125,0.0107,0.0444
1952,0.00984,0.000132,0.011,0.0453
1953,0.0104,0.00014099999999999998,0.0114,0.046200000000000005
1954,0.011,0.00015099999999999998,0.011800000000000001,0.047
1955,0.011699999999999999,0.000163,0.012199999999999999,0.047700000000000006
1956,0.0123,0.000174,0.0126,0.0484
1957,0.0129,0.000186,0.013099999999999999,0.049
1958,0.0134,0.00019800000000000002,0.0135,0.0496
1959,0.013800000000000002,0.00020999999999999998,0.013900000000000001,0.0501
1960,0.0141,0.000221,0.0143,0.0507
1961,0.0141,0.000232,0.0147,0.055
1962,0.0141,0.000242,0.015099999999999999,0.0557
1963,0.013900000000000001,0.000253,0.0155,0.0516
1964,0.013699999999999999,0.000263,0.016,0.0503
1965,0.0135,0.00027400000000000005,0.016399999999999998,0.0514
1966,0.013300000000000001,0.000285,0.016800000000000002,0.053200000000000004
1967,0.0132,0.000297,0.0172,0.055
1968,0.0132,0.000309,0.0175,0.055200000000000006
1969,0.013300000000000001,0.000323,0.0178,0.052
1970,0.0177,0.00032700000000000003,0.018,0.0504
1971,0.0177,0.000319,0.019899999999999998,0.0519
1972,0.0152,0.000321,0.0198,0.0525
1973,0.0155,0.00033600000000000004,0.0201,0.0538
1974,0.0165,0.00033600000000000004,0.0192,0.0564
1975,0.0174,0.000305,0.019100000000000002,0.0585
1976,0.0177,0.000309,0.019,0.0583
1977,0.018600000000000002,0.000311,0.0202,0.0574
1978,0.0189,0.000301,0.0219,0.0574
1979,0.019,0.000314,0.0213,0.0564
1980,0.0184,0.000303,0.022699999999999998,0.0555
1981,0.0212,0.00029099999999999997,0.022699999999999998,0.0559
1982,0.0241,0.000297,0.023,0.0564
1983,0.026600000000000002,0.000342,0.023,0.0559
1984,0.0273,0.000347,0.023899999999999998,0.056
1985,0.028399999999999998,0.000332,0.0233,0.0546
1986,0.027800000000000002,0.000221,0.023600000000000003,0.0531
1987,0.026699999999999998,0.00021799999999999999,0.0245,0.0526
1988,0.0263,0.000375,0.0253,0.0521
1989,0.0263,0.000315,0.026,0.0517
1990,0.024300000000000002,0.000195,0.026199999999999998,0.0513
1991,0.023399999999999997,0.000214,0.0261,0.0484
1992,0.0241,1.9900000000000003e-05,0.0251,0.0496
1993,0.0228,4.05e-05,0.0242,0.0474
1994,0.0221,0.000145,0.024399999999999998,0.0476
1995,0.0225,0.000221,0.024399999999999998,0.048100000000000004
1996,0.022,0.00019800000000000002,0.0246,0.046700000000000005
1997,0.0229,0.000299,0.026199999999999998,0.0448
1998,0.0228,0.0003,0.027399999999999997,0.045700000000000005
1999,0.0218,0.00032700000000000003,0.0281,0.0461
2000,0.0214,0.000313,0.0292,0.0492
2001,0.0206,0.00033600000000000004,0.0299,0.0484
2002,0.022,0.000298,0.0296,0.0502
2003,0.022600000000000002,0.000372,0.03,0.0475
2004,0.0224,0.000307,0.0291,0.046700000000000005
2005,0.0218,0.00034599999999999995,0.028,0.047299999999999995
2006,0.021,0.000311,0.0268,0.047200000000000006
2007,0.0219,0.000345,0.025,0.049100000000000005
2008,0.0214,0.000211,0.0222,0.047700000000000006
2009,0.0205,0.000253,0.0198,0.047200000000000006
2010,0.0205,0.000202,0.0195,0.046299999999999994
2011,0.020300000000000002,0.000243,0.0197,0.0461
2012,0.0193,0.000243,0.0193,0.045700000000000005
2013,0.0185,0.000243,0.0182,0.0453
2014,0.0149,0.000243,0.0169,0.046200000000000005
2015,0.0157,0.000243,0.0169,0.047700000000000006
2016,0.016399999999999998,0.000212,0.0169,0.0485
2017,0.0161,0.000204,0.0162,0.0476
2018,0.0152,0.000195,0.015,0.047299999999999995