year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00172,0.0,0.000164,5.94e-05
1851,0.00174,1.08e-08,0.000165,6.14e-05
1852,0.00176,2.16e-08,0.000165,6.34e-05
1853,0.0017800000000000001,3.22e-08,0.000166,6.54e-05
1854,0.0018,4.27e-08,0.00016700000000000002,6.73e-05
1855,0.00183,5.3100000000000006e-08,0.00016700000000000002,6.92e-05
1856,0.00185,6.34e-08,0.00016800000000000002,7.11e-05
1857,0.0018700000000000001,7.37e-08,0.00016900000000000002,7.3e-05
1858,0.00189,8.380000000000001e-08,0.00017,7.489999999999999e-05
1859,0.00191,9.38e-08,0.000171,7.670000000000001e-05
1860,0.0019399999999999999,1.0399999999999999e-07,0.000171,7.85e-05
1861,0.00196,1.14e-07,0.00017199999999999998,8.03e-05
1862,0.00198,1.23e-07,0.00017299999999999998,8.21e-05
1863,0.002,1.33e-07,0.000174,8.39e-05
1864,0.0020299999999999997,1.42e-07,0.000175,8.57e-05
1865,0.0020499999999999997,1.52e-07,0.000176,8.740000000000001e-05
1866,0.00207,1.61e-07,0.000177,8.91e-05
1867,0.0021000000000000003,1.71e-07,0.000179,9.080000000000001e-05
1868,0.00212,1.8000000000000002e-07,0.00017999999999999998,9.25e-05
1869,0.00215,1.89e-07,0.00018099999999999998,9.42e-05
1870,0.00217,1.98e-07,0.000182,9.59e-05
1871,0.00219,2.07e-07,0.000184,9.76e-05
1872,0.00222,2.16e-07,0.000185,9.92e-05
1873,0.0022400000000000002,2.24e-07,0.000186,0.000101
1874,0.00227,2.33e-07,0.000188,0.000102
1875,0.00229,2.42e-07,0.00019,0.000104
1876,0.00232,2.5e-07,0.000191,0.000106
1877,0.00234,2.5900000000000003e-07,0.000193,0.000107
1878,0.00237,2.67e-07,0.000194,0.00010899999999999999
1879,0.00239,2.75e-07,0.00019600000000000002,0.00011
1880,0.00242,2.84e-07,0.00019800000000000002,0.000112
1881,0.00244,2.92e-07,0.000199,0.000114
1882,0.0024700000000000004,3e-07,0.000201,0.000115
1883,0.0025,3.08e-07,0.000202,0.00011700000000000001
1884,0.00252,3.1599999999999997e-07,0.000204,0.000118
1885,0.0025499999999999997,3.24e-07,0.000206,0.00011999999999999999
1886,0.00257,3.32e-07,0.000207,0.000121
1887,0.0026,3.39e-07,0.00020899999999999998,0.000123
1888,0.00263,3.4699999999999997e-07,0.000211,0.000124
1889,0.00265,3.55e-07,0.000212,0.000126
1890,0.0038900000000000002,5.54e-07,0.00021799999999999999,0.000127
1891,0.00452,5.94e-07,0.00021799999999999999,0.000127
1892,0.0051600000000000005,6.42e-07,0.00021799999999999999,0.000128
1893,0.00583,6.99e-07,0.000219,0.000128
1894,0.00651,7.63e-07,0.00022,0.000128
1895,0.00722,8.33e-07,0.000221,0.000129
1896,0.007940000000000001,9.1e-07,0.000222,0.000129
1897,0.00867,9.91e-07,0.000224,0.000129
1898,0.00943,1.08e-06,0.000225,0.00013000000000000002
1899,0.010199999999999999,1.17e-06,0.00022700000000000002,0.000131
1900,0.011,1.26e-06,0.000229,0.000131
1901,0.0119,1.37e-06,0.000231,0.000132
1902,0.0129,1.5e-06,0.00023400000000000002,0.000133
1903,0.0141,1.65e-06,0.00023799999999999998,0.000134
1904,0.015300000000000001,1.82e-06,0.000243,0.000135
1905,0.0165,1.98e-06,0.000247,0.000136
1906,0.0176,2.15e-06,0.000252,0.00013700000000000002
1907,0.0185,2.31e-06,0.000258,0.00013800000000000002
1908,0.0193,2.45e-06,0.000263,0.00014000000000000001
1909,0.0198,2.58e-06,0.000268,0.00014099999999999998
1910,0.02,2.68e-06,0.000273,0.00014199999999999998
1911,0.019899999999999998,2.75e-06,0.00027800000000000004,0.00014299999999999998
1912,0.019899999999999998,2.82e-06,0.000283,0.00014399999999999998
1913,0.0198,2.8800000000000004e-06,0.00028799999999999995,0.000145
1914,0.019600000000000003,2.93e-06,0.00029299999999999997,0.000146
1915,0.0195,2.98e-06,0.000298,0.000147
1916,0.019399999999999997,3.0300000000000002e-06,0.000304,0.000148
1917,0.0193,3.0799999999999997e-06,0.000309,0.00015
1918,0.019100000000000002,3.13e-06,0.000315,0.00015099999999999998
1919,0.019100000000000002,3.19e-06,0.00032,0.000153
1920,0.019100000000000002,3.2599999999999997e-06,0.000326,0.000155
1921,0.0197,3.33e-06,0.000332,0.00016
1922,0.0216,3.3999999999999996e-06,0.00033800000000000003,0.00016900000000000002
1923,0.024399999999999998,3.48e-06,0.00034399999999999996,0.00018099999999999998
1924,0.028,3.5699999999999997e-06,0.00035,0.000195
1925,0.032299999999999995,3.66e-06,0.000356,0.000211
1926,0.037,3.7499999999999997e-06,0.000363,0.000228
1927,0.042,3.85e-06,0.00036899999999999997,0.000245
1928,0.047,3.96e-06,0.000376,0.000261
1929,0.0518,4.08e-06,0.000383,0.00027600000000000004
1930,0.056299999999999996,4.21e-06,0.00039,0.00028799999999999995
1931,0.0605,4.36e-06,0.000397,0.000298
1932,0.0645,4.5500000000000005e-06,0.000404,0.000308
1933,0.0684,4.76e-06,0.00041099999999999996,0.000317
1934,0.0724,4.99e-06,0.000419,0.000326
1935,0.0767,5.23e-06,0.000426,0.000335
1936,0.0814,5.49e-06,0.000434,0.00034300000000000004
1937,0.0866,5.74e-06,0.000442,0.000352
1938,0.09259999999999999,5.989999999999999e-06,0.00045,0.000361
1939,0.0995,6.22e-06,0.00045900000000000004,0.00037
1940,0.107,6.44e-06,0.00046800000000000005,0.00038
1941,0.118,6.629999999999999e-06,0.000477,0.00039
1942,0.133,6.81e-06,0.00048499999999999997,0.0004
1943,0.152,6.969999999999999e-06,0.000494,0.00041
1944,0.175,7.12e-06,0.000503,0.00041999999999999996
1945,0.2,7.28e-06,0.000512,0.000431
1946,0.228,7.45e-06,0.000523,0.000442
1947,0.258,7.63e-06,0.0005340000000000001,0.000453
1948,0.29,7.84e-06,0.000546,0.000465
1949,0.323,8.08e-06,0.0005610000000000001,0.00047799999999999996
1950,0.357,8.36e-06,0.0005769999999999999,0.000492
1951,0.392,8.74e-06,0.000597,0.000509
1952,0.431,9.25e-06,0.000624,0.000531
1953,0.472,9.87e-06,0.000656,0.000555
1954,0.518,1.06e-05,0.0006929999999999999,0.00058
1955,0.567,1.1400000000000001e-05,0.000734,0.000606
1956,0.622,1.22e-05,0.000778,0.000631
1957,0.681,1.3e-05,0.000824,0.000653
1958,0.746,1.3899999999999999e-05,0.0008719999999999999,0.0006720000000000001
1959,0.817,1.47e-05,0.000921,0.0006850000000000001
1960,0.894,1.55e-05,0.000969,0.000691
1961,0.969,1.63e-05,0.00102,0.000737
1962,1.04,1.73e-05,0.00108,0.000764
1963,1.12,1.83e-05,0.00114,0.000789
1964,1.2,1.94e-05,0.0012,0.000816
1965,1.32,2.05e-05,0.00127,0.000828
1966,1.46,2.1499999999999997e-05,0.00134,0.000865
1967,1.64,2.23e-05,0.00141,0.0009
1968,1.87,2.3e-05,0.00147,0.000923
1969,2.15,2.34e-05,0.0015400000000000001,0.0009429999999999999
1970,2.06,2.7199999999999997e-05,0.00151,0.0009739999999999999
1971,2.65,2.8899999999999998e-05,0.00166,0.001
1972,3.23,3.24e-05,0.00182,0.0010400000000000001
1973,3.5,3.51e-05,0.00206,0.00108
1974,2.92,3.6700000000000004e-05,0.00249,0.00108
1975,2.46,3.0200000000000002e-05,0.0028,0.00114
1976,2.48,3.5499999999999996e-05,0.00335,0.00121
1977,2.05,3.9e-05,0.0036,0.00132
1978,2.41,4.23e-05,0.00418,0.00124
1979,1.8,4.55e-05,0.00553,0.00141
1980,1.15,4.43e-05,0.00707,0.0014299999999999998
1981,0.466,4.39e-05,0.00744,0.00139
1982,0.456,4.19e-05,0.00787,0.0008169999999999999
1983,0.164,5.4e-05,0.00871,0.000928
1984,0.786,6.75e-05,0.009779999999999999,0.00108
1985,0.623,6.1e-05,0.0101,0.00156
1986,0.613,8.52e-05,0.0109,0.0022400000000000002
1987,0.592,8.669999999999999e-05,0.011300000000000001,0.00262
1988,0.58,8.46e-05,0.011699999999999999,0.00265
1989,0.572,9.74e-05,0.0121,0.00275
1990,0.556,9.7e-05,0.0123,0.00299
1991,0.546,7.75e-05,0.0119,0.0032400000000000003
1992,0.535,0.00011,0.013099999999999999,0.00376
1993,0.519,0.000116,0.0126,0.00426
1994,0.479,0.000118,0.0136,0.00464
1995,0.429,9.69e-05,0.0135,0.00488
1996,0.536,0.000104,0.013699999999999999,0.0049900000000000005
1997,0.878,0.00016,0.0169,0.00508
1998,0.834,0.000162,0.019899999999999998,0.00512
1999,0.903,0.00094,0.0225,0.00521
2000,0.944,0.00175,0.023899999999999998,0.00525
2001,0.875,0.0017900000000000001,0.0257,0.00361
2002,0.901,0.0017900000000000001,0.0264,0.0037
2003,0.99,0.0017900000000000001,0.0273,0.00373
2004,1.08,0.0017900000000000001,0.0298,0.00381
2005,1.07,0.0017900000000000001,0.0342,0.00244
2006,1.16,0.0017900000000000001,0.038299999999999994,0.003
2007,1.31,0.0019399999999999999,0.0405,0.00354
2008,1.53,0.00256,0.0455,0.0035600000000000002
2009,1.66,0.0027,0.0487,0.004900000000000001
2010,2.05,0.00232,0.0521,0.00523
2011,2.21,0.00292,0.0572,0.0059299999999999995
2012,2.37,0.00264,0.046799999999999994,0.00654
2013,2.6,0.00302,0.0723,0.0075899999999999995
2014,2.52,0.00276,0.0729,0.00597
2015,2.54,0.00283,0.0699,0.00999
2016,2.81,0.00309,0.074,0.0119
2017,2.95,0.00319,0.0775,0.0132
2018,3.1,0.00329,0.08109999999999999,0.008199999999999999