year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00013900000000000002,0.00276,2.5000000000000002e-08,1.08e-07
1851,0.000146,0.0029100000000000003,2.6299999999999997e-08,1.1299999999999999e-07
1852,0.000154,0.0030600000000000002,2.77e-08,1.2000000000000002e-07
1853,0.000162,0.00323,2.92e-08,1.26e-07
1854,0.000171,0.0034100000000000003,3.0800000000000004e-08,1.33e-07
1855,0.00018099999999999998,0.00359,3.25e-08,1.3999999999999998e-07
1856,0.00019,0.00379,3.43e-08,1.48e-07
1857,0.000201,0.0039900000000000005,3.62e-08,1.56e-07
1858,0.000211,0.00421,3.81e-08,1.64e-07
1859,0.000222,0.00443,4.01e-08,1.73e-07
1860,0.00023400000000000002,0.0046500000000000005,4.21e-08,1.8200000000000002e-07
1861,0.000245,0.00488,4.42e-08,1.91e-07
1862,0.000258,0.00513,4.6400000000000005e-08,2.0000000000000002e-07
1863,0.00027100000000000003,0.00539,4.88e-08,2.1e-07
1864,0.00028399999999999996,0.0056500000000000005,5.1199999999999995e-08,2.21e-07
1865,0.000298,0.0059299999999999995,5.37e-08,2.32e-07
1866,0.000313,0.00623,5.64e-08,2.43e-07
1867,0.000328,0.00653,5.91e-08,2.55e-07
1868,0.00034399999999999996,0.006849999999999999,6.2e-08,2.67e-07
1869,0.000361,0.00718,6.5e-08,2.7999999999999997e-07
1870,0.000378,0.00753,6.810000000000001e-08,2.94e-07
1871,0.000397,0.00789,7.15e-08,3.08e-07
1872,0.000416,0.00828,7.5e-08,3.2299999999999997e-07
1873,0.000437,0.0087,7.87e-08,3.4000000000000003e-07
1874,0.00045900000000000004,0.009130000000000001,8.27e-08,3.5599999999999996e-07
1875,0.000482,0.00958,8.67e-08,3.74e-07
1876,0.000505,0.0101,9.100000000000001e-08,3.9199999999999996e-07
1877,0.00053,0.0105,9.540000000000001e-08,4.11e-07
1878,0.000555,0.011,9.99e-08,4.3100000000000003e-07
1879,0.00058,0.0115,1.0399999999999999e-07,4.51e-07
1880,0.000606,0.0121,1.0900000000000001e-07,4.71e-07
1881,0.000633,0.0126,1.14e-07,4.91e-07
1882,0.00066,0.013099999999999999,1.1900000000000001e-07,5.13e-07
1883,0.0006879999999999999,0.013699999999999999,1.24e-07,5.34e-07
1884,0.000717,0.0143,1.29e-07,5.57e-07
1885,0.000747,0.0149,1.35e-07,5.8e-07
1886,0.000778,0.0155,1.3999999999999998e-07,6.040000000000001e-07
1887,0.0008100000000000001,0.0161,1.46e-07,6.29e-07
1888,0.000844,0.016800000000000002,1.52e-07,6.55e-07
1889,0.000878,0.0175,1.5799999999999999e-07,6.82e-07
1890,0.000983,0.0172,1.7699999999999998e-07,7.64e-07
1891,0.00102,0.0172,1.84e-07,7.93e-07
1892,0.00106,0.0172,1.92e-07,8.270000000000001e-07
1893,0.00111,0.0172,2.0000000000000002e-07,8.63e-07
1894,0.00116,0.0172,2.09e-07,9.030000000000001e-07
1895,0.00122,0.0172,2.1900000000000002e-07,9.45e-07
1896,0.00128,0.0172,2.3e-07,9.9e-07
1897,0.00134,0.0172,2.41e-07,1.04e-06
1898,0.0014,0.0172,2.52e-07,1.09e-06
1899,0.00147,0.0172,2.6400000000000003e-07,1.1399999999999999e-06
1900,0.0015400000000000001,0.0172,2.76e-07,1.19e-06
1901,0.00161,0.0172,2.8899999999999995e-07,1.25e-06
1902,0.0016899999999999999,0.0172,3.04e-07,1.31e-06
1903,0.0017900000000000001,0.0172,3.2e-07,1.38e-06
1904,0.00188,0.0172,3.37e-07,1.4499999999999999e-06
1905,0.00199,0.0172,3.55e-07,1.53e-06
1906,0.00209,0.0172,3.73e-07,1.61e-06
1907,0.0022,0.0172,3.91e-07,1.6900000000000001e-06
1908,0.00231,0.0173,4.09e-07,1.76e-06
1909,0.00242,0.0173,4.27e-07,1.84e-06
1910,0.00252,0.0173,4.44e-07,1.91e-06
1911,0.00268,0.0173,4.6e-07,1.98e-06
1912,0.00294,0.0173,4.7600000000000003e-07,2.0500000000000003e-06
1913,0.00327,0.0173,4.92e-07,2.12e-06
1914,0.00365,0.0173,5.07e-07,2.19e-06
1915,0.004059999999999999,0.0173,5.23e-07,2.2499999999999996e-06
1916,0.0044599999999999996,0.0173,5.38e-07,2.32e-06
1917,0.00484,0.0173,5.550000000000001e-07,2.39e-06
1918,0.00517,0.0173,5.71e-07,2.4599999999999997e-06
1919,0.00543,0.0173,5.89e-07,2.5400000000000002e-06
1920,0.0055899999999999995,0.0173,6.07e-07,2.62e-06
1921,0.0057,0.0178,6.27e-07,2.7e-06
1922,0.0058,0.0193,6.47e-07,2.79e-06
1923,0.00591,0.0218,6.669999999999999e-07,2.8800000000000004e-06
1924,0.00601,0.0249,6.890000000000001e-07,2.97e-06
1925,0.0061200000000000004,0.0287,7.110000000000001e-07,3.06e-06
1926,0.00624,0.0329,7.33e-07,3.1600000000000002e-06
1927,0.00635,0.037399999999999996,7.57e-07,3.2599999999999997e-06
1928,0.0064800000000000005,0.0422,7.81e-07,3.3700000000000003e-06
1929,0.00661,0.047,8.06e-07,3.48e-06
1930,0.00675,0.0518,8.310000000000001e-07,3.59e-06
1931,0.00691,0.056799999999999996,8.580000000000001e-07,3.7e-06
1932,0.00709,0.07809999999999999,8.85e-07,3.82e-06
1933,0.0073,0.0674,9.13e-07,3.9399999999999995e-06
1934,0.00753,0.0531,9.41e-07,4.06e-06
1935,0.0077800000000000005,0.0533,9.709999999999999e-07,4.1900000000000005e-06
1936,0.00805,0.0571,1e-06,4.32e-06
1937,0.00834,0.0755,1.03e-06,4.4600000000000005e-06
1938,0.00865,0.07940000000000001,1.07e-06,4.610000000000001e-06
1939,0.00897,0.0906,1.1e-06,4.76e-06
1940,0.00932,0.0873,1.1399999999999999e-06,4.9199999999999995e-06
1941,0.009689999999999999,0.0912,1.1800000000000001e-06,5.0899999999999995e-06
1942,0.0101,0.07709999999999999,1.22e-06,5.2500000000000006e-06
1943,0.0106,0.0702,1.26e-06,5.420000000000001e-06
1944,0.0112,0.0998,1.2999999999999998e-06,5.590000000000001e-06
1945,0.011800000000000001,0.115,1.34e-06,5.7800000000000006e-06
1946,0.012,0.141,1.32e-06,5.7000000000000005e-06
1947,0.0124,0.145,1.32e-06,5.7000000000000005e-06
1948,0.0092,0.149,6.61e-07,2.8500000000000002e-06
1949,0.009630000000000001,0.154,6.61e-07,2.8500000000000002e-06
1950,2.31,0.158,0.000416,0.0017900000000000001
1951,2.48,0.159,0.000446,0.0019199999999999998
1952,3.01,0.159,0.0005420000000000001,0.00234
1953,3.37,0.157,0.000606,0.00261
1954,3.6,0.158,0.000647,0.00279
1955,3.8,0.144,0.000683,0.0029500000000000004
1956,3.86,0.181,0.000694,0.00299
1957,4.24,0.222,0.000762,0.00329
1958,3.78,0.231,0.000679,0.0029300000000000003
1959,4.2,0.225,0.000754,0.00325
1960,4.13,0.222,0.000741,0.0032
1961,3.94,0.213,0.000708,0.0030499999999999998
1962,3.84,0.207,0.00069,0.00297
1963,4.16,0.19,0.000747,0.00322
1964,4.37,0.225,0.000785,0.0033900000000000002
1965,5.33,0.234,0.000957,0.00413
1966,5.19,0.261,0.0009320000000000001,0.004019999999999999
1967,4.69,0.238,0.000842,0.00363
1968,4.64,0.287,0.000834,0.0036
1969,5.39,0.264,0.000967,0.00417
1970,5.51,0.28,0.000934,0.00556
1971,5.6,0.259,0.000934,0.00775
1972,5.86,0.263,0.000937,0.0066
1973,5.53,0.289,0.00094,0.00653
1974,5.42,0.303,0.0009429999999999999,0.00763
1975,5.66,0.35,0.0009469999999999999,0.004690000000000001
1976,5.57,0.366,0.0009559999999999999,0.0119
1977,5.31,0.369,0.000966,0.00777
1978,5.42,0.366,0.000977,0.005059999999999999
1979,5.96,0.365,0.000988,0.0111
1980,5.46,0.423,0.001,0.00851
1981,5.03,0.389,0.00101,0.014199999999999999
1982,4.56,0.348,0.00102,0.0179
1983,3.64,0.226,0.00103,0.0136
1984,3.31,0.191,0.0010400000000000001,0.015300000000000001
1985,3.17,0.183,0.0010500000000000002,0.0149
1986,3.04,0.192,0.00107,0.00873
1987,3.38,0.222,0.00108,0.0134
1988,4.62,0.234,0.00109,0.0273
1989,4.63,0.29,0.0011,0.0223
1990,3.78,0.262,0.00111,0.0256
1991,4.34,0.262,0.0011200000000000001,0.0261
1992,4.96,0.263,0.00114,0.0281
1993,4.25,0.262,0.00115,0.0282
1994,3.75,0.363,0.00116,0.0201
1995,4.32,0.313,0.00117,0.018
1996,5.14,0.346,0.0011799999999999998,0.0434
1997,5.19,0.39,0.0012,0.041100000000000005
1998,5.28,0.434,0.00121,0.052700000000000004
1999,6.37,0.396,0.00122,0.036899999999999995
2000,4.98,0.354,0.00123,0.0334
2001,4.6,0.49,0.00124,0.0335
2002,4.15,0.479,0.00124,0.0345
2003,4.08,0.5,0.00125,0.06420000000000001
2004,5.31,0.314,0.00125,0.054700000000000006
2005,5.48,0.319,0.00125,0.0517
2006,6.35,0.319,0.00126,0.0519
2007,5.7,0.329,0.00126,0.0494
2008,7.96,0.317,0.00127,0.0453
2009,7.54,0.496,0.00128,0.049100000000000005
2010,5.98,0.389,0.0012900000000000001,0.0476
2011,7.28,0.44,0.0012900000000000001,0.045899999999999996
2012,8.25,0.393,0.0013,0.109
2013,7.16,0.383,0.0013,0.0833
2014,6.33,0.385,0.00131,0.07490000000000001
2015,8.36,0.341,0.00132,0.065
2016,8.63,0.342,0.00132,0.08120000000000001
2017,9.04,0.341,0.00133,0.0798
2018,9.2,0.342,0.00133,0.07859999999999999