year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0006929999999999999,0.00165,8.41e-09,1.33e-05
1851,0.00073,0.00173,8.85e-09,1.4e-05
1852,0.000769,0.00183,9.33e-09,1.48e-05
1853,0.0008110000000000001,0.0019299999999999999,9.84e-09,1.56e-05
1854,0.000856,0.0020299999999999997,1.04e-08,1.6400000000000002e-05
1855,0.000903,0.00214,1.1e-08,1.73e-05
1856,0.0009519999999999999,0.00226,1.15e-08,1.83e-05
1857,0.001,0.0023799999999999997,1.22e-08,1.93e-05
1858,0.00106,0.0025099999999999996,1.2799999999999999e-08,2.03e-05
1859,0.00111,0.00264,1.35e-08,2.14e-05
1860,0.00117,0.00277,1.42e-08,2.24e-05
1861,0.00123,0.0029100000000000003,1.49e-08,2.36e-05
1862,0.0012900000000000001,0.0030600000000000002,1.56e-08,2.48e-05
1863,0.00135,0.00321,1.6399999999999998e-08,2.6e-05
1864,0.0014199999999999998,0.00337,1.7200000000000002e-08,2.7300000000000003e-05
1865,0.00149,0.00354,1.81e-08,2.86e-05
1866,0.00156,0.0037099999999999998,1.9e-08,3.01e-05
1867,0.00164,0.0038900000000000002,1.99e-08,3.15e-05
1868,0.00172,0.00408,2.09e-08,3.31e-05
1869,0.0018,0.00428,2.19e-08,3.47e-05
1870,0.00189,0.00449,2.29e-08,3.63e-05
1871,0.00198,0.00471,2.4e-08,3.8100000000000005e-05
1872,0.0020800000000000003,0.004940000000000001,2.52e-08,4e-05
1873,0.00218,0.00518,2.65e-08,4.2000000000000004e-05
1874,0.00229,0.00544,2.78e-08,4.41e-05
1875,0.0024100000000000002,0.00571,2.92e-08,4.62e-05
1876,0.0025299999999999997,0.0059900000000000005,3.0599999999999996e-08,4.85e-05
1877,0.00265,0.00628,3.21e-08,5.0900000000000004e-05
1878,0.00277,0.00658,3.3599999999999996e-08,5.33e-05
1879,0.0029,0.00688,3.5200000000000004e-08,5.57e-05
1880,0.0030299999999999997,0.00719,3.67e-08,5.82e-05
1881,0.00316,0.0075,3.84e-08,6.08e-05
1882,0.0033,0.00783,4e-08,6.34e-05
1883,0.00344,0.00816,4.1699999999999996e-08,6.610000000000001e-05
1884,0.0035800000000000003,0.0085,4.35e-08,6.88e-05
1885,0.00373,0.00886,4.53e-08,7.17e-05
1886,0.0038900000000000002,0.00923,4.72e-08,7.47e-05
1887,0.00405,0.009609999999999999,4.91e-08,7.78e-05
1888,0.00422,0.01,5.11e-08,8.1e-05
1889,0.00439,0.0104,5.32e-08,8.43e-05
1890,0.00491,0.0103,5.96e-08,9.44e-05
1891,0.0050999999999999995,0.0103,6.19e-08,9.810000000000001e-05
1892,0.00532,0.0103,6.45e-08,0.000102
1893,0.00555,0.0103,6.74e-08,0.000107
1894,0.005809999999999999,0.0103,7.040000000000001e-08,0.000112
1895,0.00608,0.0103,7.38e-08,0.00011700000000000001
1896,0.00637,0.0103,7.73e-08,0.000122
1897,0.00667,0.0103,8.09e-08,0.000128
1898,0.0069900000000000006,0.0103,8.48e-08,0.000134
1899,0.00732,0.0103,8.88e-08,0.00014099999999999998
1900,0.00766,0.0103,9.289999999999999e-08,0.000147
1901,0.008029999999999999,0.0103,9.74e-08,0.000154
1902,0.00844,0.0103,1.02e-07,0.000162
1903,0.00889,0.0103,1.08e-07,0.000171
1904,0.00936,0.0103,1.1299999999999999e-07,0.00017999999999999998
1905,0.00985,0.0103,1.1900000000000001e-07,0.000189
1906,0.0104,0.0103,1.25e-07,0.000199
1907,0.0109,0.0103,1.3200000000000002e-07,0.000208
1908,0.0114,0.0103,1.38e-07,0.00021799999999999999
1909,0.0119,0.0103,1.44e-07,0.00022700000000000002
1910,0.0123,0.0103,1.49e-07,0.000237
1911,0.0128,0.0103,1.55e-07,0.000245
1912,0.0134,0.0103,1.6e-07,0.000254
1913,0.013900000000000001,0.0103,1.65e-07,0.000262
1914,0.0145,0.0103,1.71e-07,0.00027
1915,0.015099999999999999,0.0103,1.76e-07,0.000279
1916,0.0157,0.0103,1.8100000000000002e-07,0.000287
1917,0.016300000000000002,0.0103,1.87e-07,0.000296
1918,0.0169,0.0103,1.92e-07,0.000305
1919,0.0175,0.0103,1.98e-07,0.000314
1920,0.0181,0.0103,2.04e-07,0.000324
1921,0.018600000000000002,0.0106,2.11e-07,0.00033400000000000004
1922,0.019100000000000002,0.0115,2.1800000000000002e-07,0.000345
1923,0.0197,0.013,2.25e-07,0.000356
1924,0.020300000000000002,0.0148,2.32e-07,0.000367
1925,0.0209,0.0171,2.39e-07,0.000379
1926,0.0215,0.019600000000000003,2.47e-07,0.000391
1927,0.0222,0.0223,2.55e-07,0.00040300000000000004
1928,0.0228,0.0252,2.63e-07,0.000416
1929,0.0235,0.028,2.71e-07,0.00043
1930,0.0242,0.030899999999999997,2.7999999999999997e-07,0.000443
1931,0.025,0.0339,2.8899999999999995e-07,0.000457
1932,0.0257,0.0371,2.98e-07,0.000472
1933,0.0265,0.040600000000000004,3.07e-07,0.000486
1934,0.027399999999999997,0.0445,3.17e-07,0.000502
1935,0.0282,0.0487,3.27e-07,0.000518
1936,0.0292,0.053200000000000004,3.37e-07,0.0005340000000000001
1937,0.030100000000000002,0.0581,3.48e-07,0.0005520000000000001
1938,0.031100000000000003,0.0634,3.6000000000000005e-07,0.00057
1939,0.0322,0.0691,3.72e-07,0.000589
1940,0.033299999999999996,0.0751,3.84e-07,0.000609
1941,0.0344,0.0916,3.97e-07,0.000629
1942,0.0356,0.1,4.1e-07,0.0006490000000000001
1943,0.0368,0.102,4.2299999999999996e-07,0.000669
1944,0.0381,0.107,4.3600000000000004e-07,0.000691
1945,0.0395,0.131,4.51e-07,0.000714
1946,0.039200000000000006,0.155,4.45e-07,0.000704
1947,0.0541,0.165,6.23e-07,0.000986
1948,0.0433,0.171,4.89e-07,0.000775
1949,0.032600000000000004,0.184,3.5599999999999996e-07,0.0005639999999999999
1950,5.46,0.19,6.62e-05,0.105
1951,6.29,0.226,7.620000000000001e-05,0.121
1952,6.09,0.247,7.38e-05,0.117
1953,6.0,0.243,7.27e-05,0.115
1954,5.75,0.254,6.97e-05,0.11
1955,6.57,0.265,7.97e-05,0.126
1956,5.56,0.349,6.73e-05,0.107
1957,13.6,0.378,0.000164,0.26
1958,17.7,0.415,0.000214,0.339
1959,15.4,0.376,0.000186,0.295
1960,13.5,0.268,0.000164,0.259
1961,11.8,0.506,0.00014299999999999998,0.226
1962,13.8,0.468,0.00016700000000000002,0.265
1963,12.6,0.488,0.000153,0.243
1964,13.9,0.495,0.00016800000000000002,0.267
1965,14.2,0.498,0.00017199999999999998,0.273
1966,14.8,0.505,0.000179,0.284
1967,15.8,0.116,0.000191,0.303
1968,15.7,0.51,0.00019,0.301
1969,16.9,0.519,0.000205,0.324
1970,18.3,0.491,0.000208,0.471
1971,19.2,0.503,0.000208,0.365
1972,20.1,0.88,0.000215,0.306
1973,21.7,0.925,0.000221,0.388
1974,22.0,1.16,0.00022700000000000002,0.405
1975,26.0,1.25,0.00023300000000000003,0.419
1976,26.0,1.6,0.00023899999999999998,0.564
1977,28.1,1.67,0.000244,0.607
1978,29.3,1.57,0.000249,0.628
1979,30.4,1.8,0.000253,0.719
1980,30.0,1.84,0.000258,0.734
1981,31.1,2.12,0.000262,0.786
1982,33.0,1.86,0.000265,0.696
1983,29.2,1.87,0.000268,0.618
1984,30.9,2.11,0.000272,0.716
1985,31.0,2.08,0.000275,0.741
1986,31.9,2.06,0.00028000000000000003,0.777
1987,32.2,2.11,0.00028399999999999996,0.582
1988,33.9,2.07,0.000289,0.525
1989,34.2,1.86,0.000294,0.66
1990,31.9,1.89,0.000299,0.622
1991,28.7,1.43,0.00030199999999999997,0.57
1992,30.3,1.38,0.000305,0.552
1993,28.9,0.971,0.000307,0.245
1994,31.7,0.985,0.00031,0.204
1995,25.0,1.15,0.000312,0.12
1996,26.3,1.18,0.000314,0.144
1997,24.1,1.28,0.000316,0.163
1998,23.9,1.28,0.000319,0.166
1999,24.7,1.31,0.000321,0.102
2000,25.5,1.24,0.000333,0.121
2001,25.0,1.07,0.00039600000000000003,0.0458
2002,25.6,1.07,0.00045900000000000004,0.027399999999999997
2003,25.0,1.07,0.00046100000000000004,0.0141
2004,24.5,0.885,0.00046300000000000003,0.013099999999999999
2005,25.4,0.881,0.000464,0.0123
2006,26.8,0.978,0.000465,0.0161
2007,26.1,1.03,0.00046600000000000005,0.011
2008,29.8,0.977,0.000467,0.026
2009,29.3,0.885,0.00046800000000000005,0.0246
2010,37.7,0.905,0.00046899999999999996,0.0285
2011,35.2,0.973,0.00047,0.035
2012,35.3,1.03,0.000472,0.023600000000000003
2013,34.1,0.98,0.00047299999999999995,0.029
2014,34.2,0.932,0.000475,0.0432
2015,35.1,0.909,0.00047599999999999997,0.027899999999999998
2016,36.1,0.897,0.000477,0.022699999999999998
2017,34.9,0.898,0.000479,0.0229
2018,36.4,0.898,0.00047999999999999996,0.023