year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00575,0.000296,1.47e-05,5.14e-06
1851,0.00605,0.000312,1.55e-05,5.41e-06
1852,0.00638,0.000328,1.6400000000000002e-05,5.7099999999999995e-06
1853,0.006730000000000001,0.00034599999999999995,1.73e-05,6.02e-06
1854,0.0070999999999999995,0.000366,1.8200000000000002e-05,6.349999999999999e-06
1855,0.00749,0.000386,1.92e-05,6.7e-06
1856,0.0079,0.00040699999999999997,2.02e-05,7.06e-06
1857,0.008320000000000001,0.000429,2.13e-05,7.440000000000001e-06
1858,0.00876,0.000451,2.2499999999999998e-05,7.84e-06
1859,0.00922,0.000475,2.36e-05,8.24e-06
1860,0.009689999999999999,0.000499,2.48e-05,8.66e-06
1861,0.010199999999999999,0.000524,2.61e-05,9.100000000000001e-06
1862,0.0107,0.00055,2.7400000000000002e-05,9.56e-06
1863,0.0112,0.000578,2.88e-05,1e-05
1864,0.011800000000000001,0.000607,3.0200000000000002e-05,1.0500000000000001e-05
1865,0.0124,0.000637,3.17e-05,1.11e-05
1866,0.013,0.0006680000000000001,3.33e-05,1.1599999999999999e-05
1867,0.0136,0.0007009999999999999,3.49e-05,1.22e-05
1868,0.0143,0.000735,3.66e-05,1.2800000000000001e-05
1869,0.015,0.000771,3.84e-05,1.34e-05
1870,0.0157,0.000808,4.02e-05,1.4e-05
1871,0.016399999999999998,0.000847,4.22e-05,1.47e-05
1872,0.0173,0.000889,4.43e-05,1.54e-05
1873,0.0181,0.000933,4.65e-05,1.62e-05
1874,0.019,0.000979,4.88e-05,1.7e-05
1875,0.02,0.00103,5.1200000000000004e-05,1.7899999999999998e-05
1876,0.0209,0.00108,5.37e-05,1.87e-05
1877,0.022,0.00113,5.63e-05,1.96e-05
1878,0.023,0.0011799999999999998,5.89e-05,2.06e-05
1879,0.0241,0.00124,6.17e-05,2.1499999999999997e-05
1880,0.0251,0.0012900000000000001,6.44e-05,2.2499999999999998e-05
1881,0.026199999999999998,0.00135,6.72e-05,2.35e-05
1882,0.027399999999999997,0.00141,7.01e-05,2.4500000000000003e-05
1883,0.0285,0.00147,7.31e-05,2.55e-05
1884,0.0297,0.0015300000000000001,7.620000000000001e-05,2.66e-05
1885,0.031,0.00159,7.939999999999999e-05,2.77e-05
1886,0.032299999999999995,0.00166,8.269999999999999e-05,2.88e-05
1887,0.033600000000000005,0.00173,8.609999999999999e-05,2.9999999999999997e-05
1888,0.035,0.0018,8.97e-05,3.13e-05
1889,0.0364,0.0018700000000000001,9.34e-05,3.26e-05
1890,0.0399,0.00186,0.000102,3.57e-05
1891,0.0414,0.0018700000000000001,0.000106,3.7e-05
1892,0.043,0.0018700000000000001,0.00011,3.84e-05
1893,0.044700000000000004,0.00188,0.000115,4e-05
1894,0.0466,0.00188,0.00011899999999999999,4.1599999999999995e-05
1895,0.0485,0.00189,0.000124,4.34e-05
1896,0.0505,0.00189,0.00013000000000000002,4.5199999999999994e-05
1897,0.052700000000000004,0.0019,0.000135,4.71e-05
1898,0.0549,0.00191,0.00014099999999999998,4.91e-05
1899,0.0572,0.0019199999999999998,0.000147,5.1200000000000004e-05
1900,0.0596,0.0019299999999999999,0.000153,5.33e-05
1901,0.062200000000000005,0.0019399999999999999,0.00015900000000000002,5.5599999999999996e-05
1902,0.06520000000000001,0.00195,0.00016700000000000002,5.83e-05
1903,0.0685,0.00196,0.000176,6.12e-05
1904,0.0719,0.00197,0.000184,6.429999999999999e-05
1905,0.07540000000000001,0.00198,0.000193,6.74e-05
1906,0.07890000000000001,0.002,0.000202,7.06e-05
1907,0.0823,0.0020099999999999996,0.000211,7.35e-05
1908,0.0854,0.0020299999999999997,0.000219,7.630000000000001e-05
1909,0.0881,0.00204,0.00022600000000000002,7.879999999999999e-05
1910,0.0905,0.00206,0.000232,8.09e-05
1911,0.09240000000000001,0.0020800000000000003,0.000237,8.26e-05
1912,0.09409999999999999,0.0021000000000000003,0.000241,8.42e-05
1913,0.09570000000000001,0.00212,0.000245,8.55e-05
1914,0.09709999999999999,0.00214,0.000249,8.68e-05
1915,0.0985,0.00216,0.000252,8.8e-05
1916,0.0998,0.00219,0.000256,8.92e-05
1917,0.101,0.00222,0.000259,9.049999999999999e-05
1918,0.103,0.00225,0.000263,9.180000000000001e-05
1919,0.104,0.00229,0.00026700000000000004,9.32e-05
1920,0.106,0.00234,0.000272,9.48e-05
1921,0.108,0.0024,0.000277,9.669999999999999e-05
1922,0.111,0.0025099999999999996,0.00028399999999999996,9.900000000000001e-05
1923,0.113,0.00264,0.00029099999999999997,0.000101
1924,0.116,0.0028,0.000298,0.000104
1925,0.119,0.00297,0.000306,0.000107
1926,0.122,0.00316,0.000313,0.00010899999999999999
1927,0.125,0.00335,0.00032,0.000112
1928,0.127,0.0035299999999999997,0.000326,0.000114
1929,0.129,0.0037099999999999998,0.000331,0.000115
1930,0.13,0.00387,0.00033400000000000004,0.00011700000000000001
1931,0.131,0.00401,0.000337,0.00011700000000000001
1932,0.132,0.00417,0.000339,0.000118
1933,0.133,0.00432,0.000342,0.00011899999999999999
1934,0.134,0.00447,0.00034399999999999996,0.00011999999999999999
1935,0.135,0.00461,0.00034599999999999995,0.000121
1936,0.136,0.0047599999999999995,0.000348,0.000121
1937,0.136,0.00491,0.00034899999999999997,0.000122
1938,0.137,0.00505,0.00035,0.000122
1939,0.137,0.00519,0.00035099999999999997,0.000122
1940,0.137,0.00532,0.00035099999999999997,0.000122
1941,0.137,0.00544,0.00035,0.000122
1942,0.136,0.00554,0.00034899999999999997,0.000122
1943,0.135,0.00564,0.00034599999999999995,0.000121
1944,0.134,0.005730000000000001,0.00034300000000000004,0.00011999999999999999
1945,0.133,0.0058200000000000005,0.00034,0.00011899999999999999
1946,0.132,0.00592,0.000337,0.00011700000000000001
1947,0.13,0.00604,0.00033400000000000004,0.000116
1948,0.13,0.00617,0.000331,0.000115
1949,0.129,0.00632,0.00032900000000000003,0.000115
1950,0.129,0.00651,0.00032900000000000003,0.000115
1951,0.13,0.0067800000000000004,0.000331,0.000115
1952,0.132,0.00719,0.00033600000000000004,0.00011700000000000001
1953,0.136,0.007719999999999999,0.000345,0.00011999999999999999
1954,0.14,0.00834,0.000357,0.000124
1955,0.146,0.00905,0.00037,0.000129
1956,0.152,0.009810000000000001,0.000386,0.000135
1957,0.159,0.0106,0.000402,0.00014000000000000001
1958,0.166,0.0114,0.00041999999999999996,0.000146
1959,0.172,0.0123,0.000437,0.000152
1960,0.179,0.013099999999999999,0.00045400000000000003,0.000158
1961,0.187,0.014,0.000474,0.000165
1962,0.197,0.015,0.0005,0.000174
1963,0.208,0.016,0.0005290000000000001,0.000184
1964,0.221,0.0172,0.0005600000000000001,0.000195
1965,0.233,0.0183,0.000592,0.000207
1966,0.246,0.0195,0.000624,0.000217
1967,0.257,0.0206,0.000652,0.000228
1968,0.266,0.0217,0.0006770000000000001,0.000236
1969,0.274,0.022699999999999998,0.000696,0.000243
1970,0.246,0.0208,0.000712,0.000303
1971,0.262,0.0215,0.000734,0.00032700000000000003
1972,0.283,0.023399999999999997,0.000755,0.000357
1973,0.319,0.0249,0.000781,0.000386
1974,0.319,0.026,0.0008169999999999999,0.000408
1975,0.306,0.023899999999999998,0.000832,0.000439
1976,0.344,0.026,0.000851,0.00047099999999999996
1977,0.341,0.0263,0.000861,0.000495
1978,0.363,0.0265,0.000877,0.0005290000000000001
1979,0.38,0.027600000000000003,0.000901,0.000583
1980,0.378,0.0272,0.000923,0.000609
1981,0.35,0.027,0.000948,0.0006720000000000001
1982,0.348,0.0257,0.000977,0.000717
1983,0.346,0.0259,0.00102,0.000762
1984,0.349,0.027600000000000003,0.0010500000000000002,0.000785
1985,0.352,0.0277,0.00108,0.000871
1986,0.354,0.028,0.00111,0.0009699999999999999
1987,0.359,0.03,0.00114,0.00101
1988,0.371,0.0315,0.00117,0.00106
1989,0.401,0.0324,0.00121,0.0011200000000000001
1990,0.41,0.0335,0.00134,0.00117
1991,0.41,0.0339,0.0014199999999999998,0.00121
1992,0.41,0.0348,0.00156,0.00124
1993,0.414,0.0339,0.0016,0.00128
1994,0.41,0.0351,0.00181,0.00128
1995,0.429,0.0353,0.00184,0.00126
1996,0.457,0.0353,0.00185,0.00131
1997,0.468,0.0359,0.00172,0.00128
1998,0.494,0.0363,0.0017900000000000001,0.0012900000000000001
1999,0.516,0.0358,0.00182,0.00131
2000,0.526,0.036899999999999995,0.0019199999999999998,0.00128
2001,0.528,0.0367,0.0020499999999999997,0.00133
2002,0.536,0.037200000000000004,0.00225,0.00136
2003,0.538,0.038299999999999994,0.00233,0.0014199999999999998
2004,0.563,0.0395,0.0024100000000000002,0.00147
2005,0.579,0.04,0.0025099999999999996,0.0015400000000000001
2006,0.548,0.0407,0.0025499999999999997,0.00155
2007,0.542,0.042,0.0026,0.0016
2008,0.543,0.038299999999999994,0.00268,0.0016200000000000001
2009,0.52,0.0416,0.00239,0.00159
2010,0.52,0.044700000000000004,0.00261,0.0016799999999999999
2011,0.494,0.0438,0.0027400000000000002,0.0015300000000000001
2012,0.491,0.0396,0.0028599999999999997,0.00157
2013,0.48,0.0368,0.00248,0.00155
2014,0.465,0.0322,0.00248,0.0016
2015,0.467,0.0319,0.0025099999999999996,0.002
2016,0.462,0.0316,0.0025,0.00207
2017,0.467,0.0332,0.00252,0.00214
2018,0.454,0.0329,0.00254,0.00222