year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000132,3.38e-09,0.0147,0.0062
1851,0.000133,6.38e-09,0.0146,0.0069900000000000006
1852,0.000134,9.42e-09,0.0146,0.00777
1853,0.000134,1.2500000000000001e-08,0.0145,0.00853
1854,0.000135,1.56e-08,0.0145,0.00928
1855,0.000136,1.8700000000000002e-08,0.0144,0.01
1856,0.00013700000000000002,2.19e-08,0.0144,0.0107
1857,0.00013800000000000002,2.51e-08,0.0144,0.0115
1858,0.00013800000000000002,2.83e-08,0.0143,0.0121
1859,0.00013900000000000002,3.1600000000000005e-08,0.0143,0.0128
1860,0.00014000000000000001,3.49e-08,0.0143,0.0135
1861,0.00014099999999999998,3.82e-08,0.0143,0.0141
1862,0.00014199999999999998,4.15e-08,0.0143,0.0148
1863,0.00014299999999999998,4.49e-08,0.0143,0.0154
1864,0.00014299999999999998,4.83e-08,0.0143,0.016
1865,0.00014399999999999998,5.1700000000000006e-08,0.0143,0.0166
1866,0.000145,5.52e-08,0.0143,0.0172
1867,0.000146,5.86e-08,0.0143,0.0177
1868,0.000147,6.210000000000001e-08,0.0143,0.0183
1869,0.000148,6.559999999999999e-08,0.0143,0.0188
1870,0.000149,6.92e-08,0.0143,0.0193
1871,0.00015,7.270000000000001e-08,0.0143,0.0198
1872,0.00015,7.63e-08,0.0143,0.020300000000000002
1873,0.00015099999999999998,7.990000000000001e-08,0.0144,0.0208
1874,0.000152,8.36e-08,0.0144,0.0212
1875,0.000153,8.72e-08,0.0145,0.0217
1876,0.000154,9.09e-08,0.0145,0.0221
1877,0.000155,9.46e-08,0.0146,0.0225
1878,0.000156,9.83e-08,0.0147,0.0229
1879,0.000157,1.02e-07,0.0147,0.0233
1880,0.000158,1.06e-07,0.0148,0.0237
1881,0.00015900000000000002,1.0900000000000001e-07,0.0149,0.024
1882,0.00016,1.1299999999999999e-07,0.0149,0.024300000000000002
1883,0.000161,1.17e-07,0.015,0.0246
1884,0.000162,1.21e-07,0.015099999999999999,0.0249
1885,0.000163,1.25e-07,0.0152,0.0252
1886,0.000164,1.2799999999999998e-07,0.015300000000000001,0.0255
1887,0.000165,1.3200000000000002e-07,0.0154,0.0257
1888,0.000166,1.36e-07,0.0155,0.026
1889,0.00016700000000000002,1.3999999999999998e-07,0.0156,0.026199999999999998
1890,0.000193,2.1900000000000002e-07,0.0159,0.027600000000000003
1891,0.00019700000000000002,2.35e-07,0.0162,0.0277
1892,0.000203,2.5399999999999997e-07,0.016399999999999998,0.028
1893,0.000208,2.76e-07,0.0167,0.028300000000000002
1894,0.000214,3.01e-07,0.0169,0.0287
1895,0.00022,3.29e-07,0.0172,0.0291
1896,0.00022700000000000002,3.6000000000000005e-07,0.0175,0.0296
1897,0.00023400000000000002,3.9199999999999996e-07,0.0178,0.03
1898,0.000241,4.26e-07,0.0181,0.030600000000000002
1899,0.000248,4.6200000000000003e-07,0.0183,0.031100000000000003
1900,0.000256,4.99e-07,0.018600000000000002,0.0317
1901,0.000268,5.42e-07,0.0189,0.032299999999999995
1902,0.00029,5.95e-07,0.0193,0.0329
1903,0.000319,6.55e-07,0.019600000000000003,0.0337
1904,0.000354,7.200000000000001e-07,0.019899999999999998,0.0345
1905,0.000393,7.87e-07,0.0202,0.0353
1906,0.00043599999999999997,8.54e-07,0.0206,0.0363
1907,0.000479,9.17e-07,0.0209,0.0373
1908,0.000523,9.75e-07,0.0213,0.0384
1909,0.000565,1.02e-06,0.0216,0.0395
1910,0.000605,1.06e-06,0.022,0.040799999999999996
1911,0.000641,1.09e-06,0.0223,0.0421
1912,0.0006770000000000001,1.1199999999999999e-06,0.022699999999999998,0.0438
1913,0.000714,1.1399999999999999e-06,0.023,0.0456
1914,0.000752,1.16e-06,0.0233,0.0476
1915,0.0007930000000000001,1.1800000000000001e-06,0.023600000000000003,0.0497
1916,0.000837,1.2e-06,0.024,0.052
1917,0.000884,1.22e-06,0.024399999999999998,0.054299999999999994
1918,0.000937,1.24e-06,0.0249,0.056600000000000004
1919,0.000996,1.26e-06,0.0254,0.059
1920,0.00106,1.29e-06,0.026,0.0613
1921,0.00114,1.32e-06,0.0268,0.06409999999999999
1922,0.00122,1.35e-06,0.027899999999999998,0.0677
1923,0.00132,1.38e-06,0.0293,0.0718
1924,0.0014399999999999999,1.41e-06,0.030899999999999997,0.07629999999999999
1925,0.00157,1.4499999999999999e-06,0.032600000000000004,0.0809
1926,0.00172,1.49e-06,0.0346,0.0853
1927,0.00188,1.53e-06,0.0366,0.08929999999999999
1928,0.00206,1.57e-06,0.038799999999999994,0.09259999999999999
1929,0.00227,1.62e-06,0.0409,0.09509999999999999
1930,0.00249,1.67e-06,0.0431,0.0964
1931,0.00285,1.73e-06,0.045399999999999996,0.09659999999999999
1932,0.00344,1.8e-06,0.047799999999999995,0.09609999999999999
1933,0.004200000000000001,1.89e-06,0.0504,0.095
1934,0.00505,1.98e-06,0.0531,0.09340000000000001
1935,0.00594,2.0699999999999997e-06,0.056,0.0916
1936,0.006809999999999999,2.17e-06,0.0591,0.08979999999999999
1937,0.0075899999999999995,2.27e-06,0.062299999999999994,0.088
1938,0.008230000000000001,2.37e-06,0.0658,0.0866
1939,0.00865,2.47e-06,0.0694,0.0856
1940,0.00881,2.55e-06,0.0732,0.0852
1941,0.00866,2.63e-06,0.07740000000000001,0.0852
1942,0.00826,2.7e-06,0.08209999999999999,0.0851
1943,0.00766,2.76e-06,0.0872,0.085
1944,0.00694,2.82e-06,0.0927,0.0849
1945,0.0061600000000000005,2.8800000000000004e-06,0.0985,0.0849
1946,0.00537,2.95e-06,0.105,0.0849
1947,0.0046500000000000005,3.0200000000000003e-06,0.111,0.085
1948,0.00405,3.11e-06,0.117,0.0853
1949,0.00365,3.2000000000000003e-06,0.123,0.0857
1950,0.0035,3.31e-06,0.129,0.0863
1951,0.00363,3.46e-06,0.135,0.0874
1952,0.00398,3.66e-06,0.141,0.08929999999999999
1953,0.00453,3.9e-06,0.146,0.09179999999999999
1954,0.00524,4.18e-06,0.152,0.0948
1955,0.00607,4.4799999999999995e-06,0.158,0.09809999999999999
1956,0.00698,4.81e-06,0.164,0.101
1957,0.007940000000000001,5.14e-06,0.171,0.105
1958,0.008919999999999999,5.47e-06,0.177,0.108
1959,0.009869999999999999,5.79e-06,0.184,0.11
1960,0.0108,6.1e-06,0.192,0.112
1961,0.0116,6.43e-06,0.2,0.113
1962,0.0123,6.81e-06,0.209,0.118
1963,0.013,7.2199999999999995e-06,0.218,0.119
1964,0.013699999999999999,7.65e-06,0.228,0.12
1965,0.0145,8.059999999999999e-06,0.238,0.123
1966,0.0154,8.439999999999999e-06,0.248,0.122
1967,0.0165,8.779999999999999e-06,0.258,0.126
1968,0.0178,9.04e-06,0.268,0.131
1969,0.0193,9.220000000000002e-06,0.277,0.134
1970,0.0192,9.31e-06,0.282,0.138
1971,0.052,9.5e-06,0.317,0.141
1972,0.071,1.02e-05,0.33,0.146
1973,0.071,1.11e-05,0.343,0.143
1974,0.139,1.1400000000000001e-05,0.356,0.145
1975,0.168,1.03e-05,0.37,0.15
1976,0.202,1.15e-05,0.386,0.15
1977,0.187,2.69e-05,0.401,0.15
1978,0.179,2.7400000000000002e-05,0.418,0.135
1979,0.233,2.81e-05,0.435,0.155
1980,0.222,2.77e-05,0.452,0.156
1981,0.181,2.7400000000000002e-05,0.47,0.156
1982,0.209,2.63e-05,0.488,0.152
1983,0.288,2.83e-05,0.506,0.151
1984,0.337,0.0019399999999999999,0.531,0.146
1985,0.215,0.0038599999999999997,0.558,0.15
1986,0.268,0.0038599999999999997,0.586,0.149
1987,0.245,0.0038599999999999997,0.616,0.154
1988,0.29,0.0038599999999999997,0.641,0.153
1989,0.336,0.0038599999999999997,0.67,0.156
1990,0.318,0.0038599999999999997,0.695,0.157
1991,0.375,0.0038599999999999997,0.727,0.159
1992,0.402,0.0038599999999999997,0.766,0.16
1993,0.546,0.0038599999999999997,0.806,0.162
1994,0.599,0.0038599999999999997,0.838,0.163
1995,0.676,0.0038599999999999997,0.843,0.163
1996,0.788,0.0038599999999999997,0.916,0.162
1997,0.892,0.0038599999999999997,0.951,0.161
1998,0.907,0.0038599999999999997,1.02,0.158
1999,0.962,0.004070000000000001,1.11,0.156
2000,1.06,0.00414,1.12,0.154
2001,1.08,0.004,1.17,0.154
2002,1.07,0.00535,1.2,0.154
2003,1.08,0.00323,1.23,0.156
2004,1.18,0.00366,1.27,0.156
2005,1.31,0.00467,1.3,0.158
2006,1.3,0.004690000000000001,1.41,0.16
2007,1.32,0.00461,1.45,0.16
2008,1.38,0.00471,1.51,0.161
2009,1.31,0.00534,1.55,0.161
2010,1.45,0.005679999999999999,1.59,0.161
2011,1.42,0.00514,1.63,0.159
2012,1.41,0.00591,1.69,0.159
2013,1.59,0.00464,1.73,0.159
2014,1.69,0.0054800000000000005,1.78,0.153
2015,1.73,0.00564,1.78,0.156
2016,1.71,0.00578,1.87,0.156
2017,1.75,0.005889999999999999,1.92,0.156
2018,1.8,0.00601,1.96,0.154