year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00014299999999999998,0.0035499999999999998,2.5000000000000002e-08,1.08e-07
1851,0.00015,0.0037400000000000003,2.6299999999999997e-08,1.1299999999999999e-07
1852,0.000158,0.00394,2.77e-08,1.2000000000000002e-07
1853,0.00016700000000000002,0.00415,2.92e-08,1.26e-07
1854,0.000176,0.00438,3.0800000000000004e-08,1.33e-07
1855,0.000186,0.00462,3.25e-08,1.3999999999999998e-07
1856,0.00019600000000000002,0.00488,3.43e-08,1.48e-07
1857,0.000206,0.00514,3.62e-08,1.56e-07
1858,0.000217,0.00541,3.81e-08,1.64e-07
1859,0.000229,0.005690000000000001,4.01e-08,1.73e-07
1860,0.00023999999999999998,0.00598,4.21e-08,1.8200000000000002e-07
1861,0.000252,0.00628,4.42e-08,1.91e-07
1862,0.000265,0.0066,4.6400000000000005e-08,2.0000000000000002e-07
1863,0.00027800000000000004,0.0069299999999999995,4.88e-08,2.1e-07
1864,0.000292,0.0072699999999999996,5.1199999999999995e-08,2.21e-07
1865,0.000307,0.00763,5.37e-08,2.32e-07
1866,0.000322,0.00801,5.64e-08,2.43e-07
1867,0.00033800000000000003,0.008400000000000001,5.91e-08,2.55e-07
1868,0.000354,0.00881,6.2e-08,2.67e-07
1869,0.000371,0.00924,6.5e-08,2.7999999999999997e-07
1870,0.000389,0.00968,6.810000000000001e-08,2.94e-07
1871,0.000408,0.010199999999999999,7.15e-08,3.08e-07
1872,0.000428,0.0107,7.5e-08,3.2299999999999997e-07
1873,0.00045,0.0112,7.87e-08,3.4000000000000003e-07
1874,0.000472,0.011699999999999999,8.27e-08,3.5599999999999996e-07
1875,0.000495,0.0123,8.67e-08,3.74e-07
1876,0.0005200000000000001,0.0129,9.100000000000001e-08,3.9199999999999996e-07
1877,0.000545,0.0136,9.540000000000001e-08,4.11e-07
1878,0.00057,0.014199999999999999,9.99e-08,4.3100000000000003e-07
1879,0.000597,0.0148,1.0399999999999999e-07,4.51e-07
1880,0.000623,0.0155,1.0900000000000001e-07,4.71e-07
1881,0.000651,0.0162,1.14e-07,4.91e-07
1882,0.000679,0.0169,1.1900000000000001e-07,5.13e-07
1883,0.000708,0.0176,1.24e-07,5.34e-07
1884,0.000737,0.0184,1.29e-07,5.57e-07
1885,0.000768,0.019100000000000002,1.35e-07,5.8e-07
1886,0.0008,0.019899999999999998,1.3999999999999998e-07,6.040000000000001e-07
1887,0.000833,0.0207,1.46e-07,6.29e-07
1888,0.000868,0.0216,1.52e-07,6.55e-07
1889,0.000903,0.0225,1.5799999999999999e-07,6.82e-07
1890,0.00101,0.0221,1.7699999999999998e-07,7.64e-07
1891,0.0010500000000000002,0.0221,1.84e-07,7.93e-07
1892,0.00109,0.0221,1.92e-07,8.270000000000001e-07
1893,0.00114,0.0221,2.0000000000000002e-07,8.63e-07
1894,0.0012,0.0221,2.09e-07,9.030000000000001e-07
1895,0.00125,0.0221,2.1900000000000002e-07,9.45e-07
1896,0.00131,0.0221,2.3e-07,9.9e-07
1897,0.0013700000000000001,0.0221,2.41e-07,1.04e-06
1898,0.0014399999999999999,0.0221,2.52e-07,1.09e-06
1899,0.00151,0.0221,2.6400000000000003e-07,1.1399999999999999e-06
1900,0.00158,0.0221,2.76e-07,1.19e-06
1901,0.00166,0.0221,2.8899999999999995e-07,1.25e-06
1902,0.00174,0.0221,3.04e-07,1.31e-06
1903,0.00184,0.0221,3.2e-07,1.38e-06
1904,0.0019399999999999999,0.0222,3.37e-07,1.4499999999999999e-06
1905,0.00204,0.0222,3.55e-07,1.53e-06
1906,0.00215,0.0222,3.73e-07,1.61e-06
1907,0.00226,0.0222,3.91e-07,1.6900000000000001e-06
1908,0.00237,0.0222,4.09e-07,1.76e-06
1909,0.00248,0.0222,4.27e-07,1.84e-06
1910,0.00259,0.0222,4.44e-07,1.91e-06
1911,0.00275,0.0222,4.6e-07,1.98e-06
1912,0.0030099999999999997,0.0222,4.7600000000000003e-07,2.0500000000000003e-06
1913,0.00335,0.0222,4.92e-07,2.12e-06
1914,0.00373,0.0222,5.07e-07,2.19e-06
1915,0.00414,0.0222,5.23e-07,2.2499999999999996e-06
1916,0.00455,0.0222,5.38e-07,2.32e-06
1917,0.0049299999999999995,0.0222,5.550000000000001e-07,2.39e-06
1918,0.00526,0.0222,5.71e-07,2.4599999999999997e-06
1919,0.00553,0.0222,5.89e-07,2.5400000000000002e-06
1920,0.005690000000000001,0.0222,6.07e-07,2.62e-06
1921,0.0058,0.0229,6.27e-07,2.7e-06
1922,0.00591,0.0249,6.47e-07,2.79e-06
1923,0.00601,0.028,6.669999999999999e-07,2.8800000000000004e-06
1924,0.0061200000000000004,0.032,6.890000000000001e-07,2.97e-06
1925,0.00624,0.036899999999999995,7.110000000000001e-07,3.06e-06
1926,0.00635,0.0423,7.33e-07,3.1600000000000002e-06
1927,0.00647,0.0482,7.57e-07,3.2599999999999997e-06
1928,0.0066,0.054299999999999994,7.81e-07,3.3700000000000003e-06
1929,0.00674,0.0605,8.06e-07,3.48e-06
1930,0.00688,0.06670000000000001,8.310000000000001e-07,3.59e-06
1931,0.00704,0.0731,8.580000000000001e-07,3.7e-06
1932,0.00723,0.101,8.85e-07,3.82e-06
1933,0.00744,0.0867,9.13e-07,3.9399999999999995e-06
1934,0.007679999999999999,0.068,9.41e-07,4.06e-06
1935,0.00793,0.0682,9.709999999999999e-07,4.1900000000000005e-06
1936,0.00821,0.0731,1e-06,4.32e-06
1937,0.0085,0.0969,1.03e-06,4.4600000000000005e-06
1938,0.00882,0.102,1.07e-06,4.610000000000001e-06
1939,0.00915,0.116,1.1e-06,4.76e-06
1940,0.0095,0.112,1.1399999999999999e-06,4.9199999999999995e-06
1941,0.009880000000000002,0.117,1.1800000000000001e-06,5.0899999999999995e-06
1942,0.0103,0.0983,1.22e-06,5.2500000000000006e-06
1943,0.0108,0.08929999999999999,1.26e-06,5.420000000000001e-06
1944,0.0114,0.127,1.2999999999999998e-06,5.590000000000001e-06
1945,0.012,0.147,1.34e-06,5.7800000000000006e-06
1946,0.012199999999999999,0.18,1.32e-06,5.7000000000000005e-06
1947,0.0127,0.186,1.32e-06,5.7000000000000005e-06
1948,0.00931,0.191,6.61e-07,2.8500000000000002e-06
1949,0.00974,0.196,6.61e-07,2.8500000000000002e-06
1950,2.38,0.202,0.000416,0.0017900000000000001
1951,2.55,0.202,0.000446,0.0019199999999999998
1952,3.1,0.203,0.0005420000000000001,0.00234
1953,3.47,0.199,0.000606,0.00261
1954,3.7,0.2,0.000647,0.00279
1955,3.91,0.182,0.000683,0.0029500000000000004
1956,3.97,0.23,0.000694,0.00299
1957,4.36,0.283,0.000762,0.00329
1958,3.88,0.293,0.000679,0.0029300000000000003
1959,4.31,0.285,0.000754,0.00325
1960,4.24,0.281,0.000741,0.0032
1961,4.05,0.268,0.000708,0.0030499999999999998
1962,3.95,0.26,0.00069,0.00297
1963,4.28,0.238,0.000747,0.00322
1964,4.5,0.282,0.000785,0.0033900000000000002
1965,5.48,0.293,0.000957,0.00413
1966,5.33,0.328,0.0009320000000000001,0.004019999999999999
1967,4.82,0.297,0.000842,0.00363
1968,4.78,0.36,0.000834,0.0036
1969,5.54,0.329,0.000967,0.00417
1970,5.67,0.351,0.000934,0.00556
1971,5.76,0.323,0.000934,0.00775
1972,6.03,0.328,0.000937,0.0066
1973,5.69,0.361,0.00094,0.00653
1974,5.58,0.38,0.0009429999999999999,0.00763
1975,5.82,0.441,0.0009469999999999999,0.004690000000000001
1976,5.73,0.463,0.0009559999999999999,0.0119
1977,5.46,0.465,0.000966,0.00777
1978,5.58,0.463,0.000977,0.005059999999999999
1979,6.13,0.46,0.000988,0.0111
1980,5.61,0.536,0.001,0.00851
1981,5.17,0.492,0.00101,0.014199999999999999
1982,4.69,0.44,0.00102,0.0179
1983,3.74,0.28,0.00103,0.0136
1984,3.4,0.234,0.0010400000000000001,0.015300000000000001
1985,3.26,0.224,0.0010500000000000002,0.0149
1986,3.13,0.237,0.00107,0.00873
1987,3.48,0.275,0.00108,0.0134
1988,4.75,0.291,0.00109,0.0273
1989,4.76,0.364,0.0011,0.0223
1990,3.89,0.327,0.00111,0.0256
1991,4.46,0.327,0.0011200000000000001,0.0261
1992,5.1,0.328,0.00114,0.0281
1993,4.37,0.327,0.00115,0.0282
1994,3.85,0.456,0.00116,0.0201
1995,4.44,0.392,0.00117,0.018
1996,5.28,0.436,0.0011799999999999998,0.0434
1997,5.34,0.492,0.0012,0.041100000000000005
1998,5.43,0.549,0.00121,0.052700000000000004
1999,6.52,0.486,0.00122,0.036899999999999995
2000,5.05,0.417,0.00123,0.0334
2001,4.62,0.351,0.00124,0.0335
2002,4.13,0.286,0.00124,0.0345
2003,4.0,0.318,0.00125,0.06420000000000001
2004,5.17,0.352,0.00125,0.054700000000000006
2005,5.29,0.388,0.00125,0.0517
2006,6.09,0.419,0.00126,0.0519
2007,5.41,0.459,0.00126,0.0494
2008,7.51,0.476,0.00127,0.0453
2009,7.15,0.744,0.00128,0.049100000000000005
2010,5.7,0.553,0.0012900000000000001,0.0476
2011,6.98,0.604,0.0012900000000000001,0.045899999999999996
2012,7.97,0.516,0.0013,0.109
2013,6.96,0.484,0.0013,0.0833
2014,6.2,0.467,0.00131,0.07490000000000001
2015,6.25,0.446,0.00132,0.065
2016,6.31,0.48,0.00132,0.08120000000000001
2017,5.84,0.546,0.00133,0.0798
2018,5.58,0.546,0.00133,0.07859999999999999