year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0213,0.0,0.00782,0.0263
1851,0.022,6.47e-07,0.00791,0.028
1852,0.022699999999999998,1.4e-06,0.00799,0.0299
1853,0.0235,2.27e-06,0.00808,0.0322
1854,0.0242,3.24e-06,0.00816,0.0348
1855,0.0249,4.309999999999999e-06,0.00824,0.0376
1856,0.0257,5.49e-06,0.00833,0.040799999999999996
1857,0.0265,6.7600000000000005e-06,0.00841,0.0442
1858,0.0273,8.12e-06,0.008490000000000001,0.0479
1859,0.0281,9.58e-06,0.00857,0.052
1860,0.0289,1.11e-05,0.00865,0.056299999999999996
1861,0.0297,1.2800000000000001e-05,0.00873,0.0608
1862,0.0305,1.45e-05,0.0088,0.06570000000000001
1863,0.0314,1.63e-05,0.00888,0.0708
1864,0.0322,1.8200000000000002e-05,0.00895,0.0762
1865,0.033100000000000004,2.01e-05,0.00902,0.0819
1866,0.034,2.2100000000000002e-05,0.0091,0.0878
1867,0.0349,2.42e-05,0.00917,0.094
1868,0.0358,2.64e-05,0.00925,0.1
1869,0.0367,2.86e-05,0.00932,0.107
1870,0.0376,3.09e-05,0.00941,0.114
1871,0.0385,3.33e-05,0.00949,0.121
1872,0.0394,3.57e-05,0.00957,0.129
1873,0.0404,3.82e-05,0.00965,0.136
1874,0.041299999999999996,4.07e-05,0.00974,0.144
1875,0.0423,4.3299999999999995e-05,0.00982,0.153
1876,0.0432,4.5900000000000004e-05,0.00991,0.161
1877,0.0442,4.8599999999999995e-05,0.01,0.17
1878,0.045200000000000004,5.13e-05,0.0101,0.178
1879,0.046200000000000005,5.4e-05,0.010199999999999999,0.188
1880,0.0471,5.6800000000000005e-05,0.0104,0.197
1881,0.048100000000000004,5.96e-05,0.0105,0.206
1882,0.049100000000000005,6.25e-05,0.0107,0.216
1883,0.0501,6.53e-05,0.0109,0.226
1884,0.0512,6.819999999999999e-05,0.0111,0.236
1885,0.0522,7.12e-05,0.011300000000000001,0.247
1886,0.053200000000000004,7.41e-05,0.0116,0.257
1887,0.054200000000000005,7.71e-05,0.011800000000000001,0.268
1888,0.055200000000000006,8.010000000000001e-05,0.012,0.279
1889,0.056299999999999996,8.309999999999999e-05,0.0123,0.29
1890,0.0626,0.00013000000000000002,0.013300000000000001,0.289
1891,0.0643,0.00013900000000000002,0.013300000000000001,0.292
1892,0.06609999999999999,0.00015,0.0134,0.299
1893,0.0681,0.000163,0.0136,0.31
1894,0.0702,0.000178,0.013800000000000002,0.323
1895,0.0724,0.000194,0.0141,0.338
1896,0.0747,0.000212,0.0144,0.356
1897,0.07709999999999999,0.000231,0.0147,0.375
1898,0.07959999999999999,0.000251,0.015099999999999999,0.396
1899,0.08220000000000001,0.000273,0.0155,0.418
1900,0.0849,0.000294,0.0159,0.441
1901,0.0885,0.00032,0.016399999999999998,0.473
1902,0.09359999999999999,0.00035099999999999997,0.0171,0.52
1903,0.0999,0.00038700000000000003,0.018,0.578
1904,0.107,0.000426,0.019,0.643
1905,0.115,0.000465,0.0201,0.712
1906,0.123,0.000505,0.0214,0.779
1907,0.131,0.0005420000000000001,0.022699999999999998,0.842
1908,0.139,0.0005769999999999999,0.024,0.896
1909,0.147,0.000606,0.0254,0.937
1910,0.153,0.000629,0.0268,0.961
1911,0.159,0.000646,0.0282,0.976
1912,0.165,0.000661,0.0297,0.989
1913,0.172,0.000674,0.0313,1.0
1914,0.178,0.0006860000000000001,0.0329,1.01
1915,0.183,0.0006969999999999999,0.0347,1.02
1916,0.189,0.000708,0.0366,1.03
1917,0.195,0.000719,0.038700000000000005,1.04
1918,0.2,0.000731,0.041,1.05
1919,0.205,0.000744,0.0434,1.05
1920,0.21,0.00076,0.0461,1.05
1921,0.215,0.000777,0.049100000000000005,1.05
1922,0.219,0.000795,0.0526,1.05
1923,0.223,0.0008129999999999999,0.056600000000000004,1.05
1924,0.227,0.000833,0.061,1.05
1925,0.231,0.0008539999999999999,0.0658,1.04
1926,0.235,0.000877,0.071,1.04
1927,0.239,0.000901,0.0765,1.04
1928,0.243,0.0009270000000000001,0.0824,1.03
1929,0.248,0.000955,0.0884,1.03
1930,0.252,0.000986,0.0947,1.03
1931,0.257,0.00102,0.102,1.04
1932,0.262,0.00106,0.109,1.05
1933,0.266,0.00111,0.117,1.07
1934,0.271,0.00117,0.126,1.09
1935,0.276,0.00123,0.135,1.12
1936,0.281,0.00128,0.145,1.15
1937,0.286,0.00134,0.155,1.18
1938,0.292,0.0014,0.166,1.21
1939,0.299,0.00146,0.177,1.24
1940,0.306,0.00151,0.189,1.28
1941,0.314,0.00155,0.201,1.31
1942,0.324,0.00159,0.214,1.34
1943,0.335,0.00163,0.228,1.37
1944,0.348,0.0016699999999999998,0.243,1.4
1945,0.362,0.00171,0.258,1.43
1946,0.377,0.00175,0.274,1.47
1947,0.392,0.0017900000000000001,0.29,1.51
1948,0.409,0.00184,0.307,1.55
1949,0.426,0.00189,0.324,1.6
1950,0.443,0.00196,0.341,1.66
1951,0.463,0.0020499999999999997,0.358,1.77
1952,0.486,0.00216,0.375,1.94
1953,0.512,0.00231,0.393,2.16
1954,0.541,0.0024700000000000004,0.411,2.42
1955,0.572,0.00265,0.429,2.71
1956,0.604,0.0028399999999999996,0.448,2.99
1957,0.637,0.0030299999999999997,0.468,3.27
1958,0.671,0.00323,0.489,3.51
1959,0.704,0.00342,0.51,3.72
1960,0.737,0.0036,0.532,3.86
1961,0.768,0.00377,0.556,3.99
1962,0.798,0.00392,0.581,4.11
1963,0.828,0.004059999999999999,0.608,4.26
1964,0.859,0.00421,0.636,4.42
1965,0.89,0.00436,0.665,4.59
1966,0.924,0.00453,0.695,4.69
1967,0.96,0.004730000000000001,0.724,4.84
1968,0.999,0.00495,0.753,4.99
1969,1.04,0.00521,0.781,5.15
1970,1.04,0.004940000000000001,0.865,5.39
1971,0.941,0.00447,0.908,5.43
1972,0.958,0.00478,0.944,5.74
1973,0.917,0.004860000000000001,0.98,5.85
1974,0.988,0.00455,1.01,6.18
1975,1.06,0.00408,1.02,6.42
1976,1.0,0.004019999999999999,1.07,7.09
1977,0.988,0.00395,1.12,7.28
1978,1.05,0.00373,1.18,7.3
1979,1.16,0.00429,1.24,7.46
1980,1.25,0.004059999999999999,1.35,8.12
1981,1.29,0.0037400000000000003,1.38,8.24
1982,1.35,0.00273,1.46,8.36
1983,1.59,0.00252,1.48,8.33
1984,1.86,0.00335,1.56,8.48
1985,1.85,0.0034100000000000003,1.6,8.52
1986,1.72,0.00329,1.62,8.85
1987,1.61,0.0033900000000000002,1.73,9.17
1988,1.65,0.0037099999999999998,1.78,9.33
1989,1.67,0.00377,1.84,9.56
1990,1.49,0.0033799999999999998,1.84,9.69
1991,1.39,0.00373,1.91,10.0
1992,1.31,0.0038399999999999997,1.97,10.2
1993,1.38,0.00404,2.02,10.2
1994,1.39,0.00405,2.09,10.4
1995,1.31,0.00392,2.14,10.6
1996,1.4,0.00404,2.2,10.1
1997,1.38,0.00418,2.26,10.3
1998,1.43,0.00412,2.3,10.5
1999,1.51,0.00414,2.36,10.6
2000,1.54,0.00468,2.31,10.7
2001,1.56,0.0044800000000000005,2.36,11.2
2002,1.55,0.004690000000000001,2.46,11.8
2003,1.57,0.00492,2.6,12.3
2004,1.61,0.00528,2.67,12.9
2005,1.69,0.00531,2.73,13.1
2006,1.62,0.00529,2.85,12.9
2007,1.6,0.00563,2.95,12.8
2008,1.7,0.0052699999999999995,3.05,12.7
2009,1.48,0.00454,3.09,12.8
2010,1.54,0.0052699999999999995,3.22,13.4
2011,1.57,0.00519,3.14,13.4
2012,1.59,0.00531,3.17,13.4
2013,1.56,0.00535,3.32,13.2
2014,1.62,0.00524,3.38,13.3
2015,1.6,0.00512,3.51,13.5
2016,1.59,0.00537,3.58,13.6
2017,1.59,0.0054,3.65,13.4
2018,1.59,0.00543,3.73,13.2