year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0006630000000000001,0.0,0.00046899999999999996,0.00155
1851,0.000671,4.53e-09,0.00047099999999999996,0.0016
1852,0.000679,9.02e-09,0.000472,0.00165
1853,0.000687,1.35e-08,0.000474,0.0017
1854,0.000695,1.79e-08,0.00047599999999999997,0.00175
1855,0.000703,2.22e-08,0.00047799999999999996,0.0018
1856,0.000712,2.66e-08,0.000481,0.00185
1857,0.0007199999999999999,3.0800000000000004e-08,0.000483,0.0019
1858,0.0007289999999999999,3.5099999999999997e-08,0.00048499999999999997,0.00195
1859,0.000737,3.93e-08,0.000488,0.002
1860,0.000746,4.34e-08,0.00049,0.0020499999999999997
1861,0.000754,4.75e-08,0.000493,0.00209
1862,0.000763,5.16e-08,0.000495,0.00214
1863,0.000772,5.56e-08,0.000498,0.00219
1864,0.000781,5.96e-08,0.000501,0.0022299999999999998
1865,0.00079,6.36e-08,0.000504,0.00228
1866,0.000799,6.75e-08,0.000507,0.00232
1867,0.000808,7.14e-08,0.00051,0.00237
1868,0.0008169999999999999,7.52e-08,0.000514,0.0024100000000000002
1869,0.0008259999999999999,7.899999999999999e-08,0.000517,0.00246
1870,0.0008359999999999999,8.279999999999999e-08,0.000521,0.0025
1871,0.0008449999999999999,8.660000000000001e-08,0.0005250000000000001,0.00254
1872,0.000855,9.03e-08,0.0005290000000000001,0.00259
1873,0.000864,9.39e-08,0.000533,0.00263
1874,0.000873,9.76e-08,0.000537,0.00267
1875,0.000883,1.01e-07,0.0005420000000000001,0.00271
1876,0.000893,1.05e-07,0.000546,0.00275
1877,0.000902,1.08e-07,0.0005510000000000001,0.0028
1878,0.000912,1.12e-07,0.000555,0.0028399999999999996
1879,0.0009220000000000001,1.15e-07,0.0005600000000000001,0.0028799999999999997
1880,0.0009320000000000001,1.1900000000000001e-07,0.000565,0.00292
1881,0.0009419999999999999,1.22e-07,0.000569,0.00296
1882,0.0009509999999999999,1.26e-07,0.000574,0.003
1883,0.0009609999999999999,1.29e-07,0.000579,0.00304
1884,0.000971,1.3200000000000002e-07,0.000583,0.0030800000000000003
1885,0.0009809999999999999,1.35e-07,0.000588,0.00312
1886,0.000992,1.39e-07,0.000593,0.00316
1887,0.001,1.42e-07,0.000598,0.0032
1888,0.00101,1.45e-07,0.000602,0.0032400000000000003
1889,0.00102,1.48e-07,0.000607,0.00328
1890,0.0015,2.32e-07,0.000622,0.00332
1891,0.00174,2.4899999999999997e-07,0.000622,0.00332
1892,0.00199,2.69e-07,0.000623,0.00333
1893,0.0022400000000000002,2.9300000000000004e-07,0.000625,0.00333
1894,0.0025099999999999996,3.19e-07,0.000628,0.0033399999999999997
1895,0.00278,3.49e-07,0.000632,0.00335
1896,0.0030499999999999998,3.81e-07,0.000635,0.0033599999999999997
1897,0.0033399999999999997,4.15e-07,0.00064,0.0033799999999999998
1898,0.00363,4.51e-07,0.000644,0.0033900000000000002
1899,0.00392,4.89e-07,0.0006490000000000001,0.0034
1900,0.00422,5.27e-07,0.0006540000000000001,0.00342
1901,0.00457,5.730000000000001e-07,0.000661,0.0034300000000000003
1902,0.00497,6.29e-07,0.00067,0.00346
1903,0.00542,6.92e-07,0.0006810000000000001,0.00348
1904,0.00588,7.6e-07,0.0006929999999999999,0.0035099999999999997
1905,0.00633,8.3e-07,0.000707,0.00354
1906,0.00675,9e-07,0.000722,0.00357
1907,0.0071200000000000005,9.67e-07,0.000737,0.0036
1908,0.0074199999999999995,1.03e-06,0.000752,0.00364
1909,0.0076100000000000004,1.08e-06,0.000767,0.00367
1910,0.007679999999999999,1.1199999999999999e-06,0.000781,0.0037
1911,0.00767,1.15e-06,0.000795,0.00373
1912,0.00764,1.1800000000000001e-06,0.000809,0.00376
1913,0.0076,1.2e-06,0.000823,0.00378
1914,0.007549999999999999,1.2299999999999999e-06,0.000838,0.00381
1915,0.0075,1.25e-06,0.000853,0.00383
1916,0.00745,1.2700000000000001e-06,0.000868,0.0038599999999999997
1917,0.0074,1.29e-06,0.000883,0.0039
1918,0.00736,1.31e-06,0.0008990000000000001,0.00394
1919,0.00734,1.33e-06,0.000915,0.0039900000000000005
1920,0.00733,1.3600000000000001e-06,0.0009310000000000001,0.00405
1921,0.00758,1.39e-06,0.000948,0.00417
1922,0.008289999999999999,1.42e-06,0.0009649999999999999,0.0044
1923,0.009380000000000001,1.46e-06,0.000983,0.00471
1924,0.0108,1.49e-06,0.001,0.00508
1925,0.0124,1.53e-06,0.00102,0.0055
1926,0.014199999999999999,1.57e-06,0.0010400000000000001,0.00594
1927,0.0161,1.61e-06,0.00106,0.00638
1928,0.018,1.66e-06,0.00107,0.0068
1929,0.019899999999999998,1.71e-06,0.00109,0.00718
1930,0.0217,1.76e-06,0.00111,0.0075
1931,0.0232,1.83e-06,0.00113,0.00777
1932,0.0248,1.9e-06,0.00116,0.008029999999999999
1933,0.0263,1.99e-06,0.0011799999999999998,0.00827
1934,0.027800000000000002,2.09e-06,0.0012,0.0085
1935,0.0295,2.19e-06,0.00122,0.00872
1936,0.0313,2.3e-06,0.00124,0.00894
1937,0.033299999999999996,2.4e-06,0.00126,0.00917
1938,0.0356,2.51e-06,0.0012900000000000001,0.0094
1939,0.038200000000000005,2.5999999999999997e-06,0.00131,0.009640000000000001
1940,0.041299999999999996,2.69e-06,0.00134,0.009890000000000001
1941,0.045399999999999996,2.78e-06,0.00136,0.010199999999999999
1942,0.0512,2.8500000000000002e-06,0.00139,0.0104
1943,0.0585,2.92e-06,0.00141,0.0107
1944,0.06709999999999999,2.98e-06,0.0014399999999999999,0.0109
1945,0.07690000000000001,3.05e-06,0.00146,0.0112
1946,0.0877,3.1199999999999998e-06,0.00149,0.0115
1947,0.0992,3.19e-06,0.0015300000000000001,0.011800000000000001
1948,0.111,3.28e-06,0.00156,0.0121
1949,0.124,3.3800000000000002e-06,0.0016,0.0125
1950,0.137,3.5e-06,0.00165,0.0128
1951,0.151,3.66e-06,0.00171,0.013300000000000001
1952,0.165,3.87e-06,0.0017800000000000001,0.013800000000000002
1953,0.181,4.13e-06,0.0018700000000000001,0.0145
1954,0.199,4.43e-06,0.00198,0.015099999999999999
1955,0.218,4.75e-06,0.0021000000000000003,0.0158
1956,0.239,5.1e-06,0.00222,0.016399999999999998
1957,0.262,5.45e-06,0.00235,0.017
1958,0.286,5.7999999999999995e-06,0.00249,0.0175
1959,0.314,6.15e-06,0.00263,0.0178
1960,0.343,6.48e-06,0.00277,0.018
1961,0.372,6.83e-06,0.00292,0.0179
1962,0.4,7.24e-06,0.0030800000000000003,0.018
1963,0.429,7.680000000000001e-06,0.00325,0.0185
1964,0.463,8.13e-06,0.00344,0.019
1965,0.505,8.57e-06,0.00363,0.019399999999999997
1966,0.559,8.98e-06,0.00382,0.02
1967,0.629,9.339999999999999e-06,0.004019999999999999,0.0202
1968,0.717,9.62e-06,0.00421,0.0207
1969,0.826,9.8e-06,0.0044,0.0212
1970,1.0,9.87e-06,0.010199999999999999,0.0217
1971,1.35,9.72e-06,0.0132,0.0222
1972,1.48,9.509999999999999e-06,0.016,0.0219
1973,1.93,1.03e-05,0.0188,0.0235
1974,1.93,9.86e-06,0.0217,0.0212
1975,1.89,1.1900000000000001e-05,0.0247,0.0178
1976,2.33,3.16e-05,0.029,0.011800000000000001
1977,2.11,2.49e-05,0.033600000000000005,0.0144
1978,2.41,1.8200000000000002e-05,0.0381,0.0171
1979,1.41,2.2599999999999997e-05,0.0427,0.017
1980,1.33,1.66e-05,0.047200000000000006,0.0189
1981,0.888,1.61e-05,0.0503,0.0198
1982,0.756,1.98e-05,0.053399999999999996,0.0211
1983,0.727,2.23e-05,0.056299999999999996,0.022699999999999998
1984,1.0,1.83e-05,0.062,0.024399999999999998
1985,0.889,2.14e-05,0.06570000000000001,0.0261
1986,0.595,2.3e-05,0.072,0.028399999999999998
1987,0.452,2.61e-05,0.0768,0.0303
1988,0.327,2.79e-05,0.08070000000000001,0.032299999999999995
1989,0.309,2.2499999999999998e-05,0.0852,0.0345
1990,0.305,2.99e-05,0.0887,0.036899999999999995
1991,0.348,3.18e-05,0.0938,0.0394
1992,0.362,3.1899999999999996e-05,0.09820000000000001,0.0422
1993,0.378,3.12e-05,0.103,0.0451
1994,0.396,3.11e-05,0.108,0.0484
1995,0.478,3.3e-05,0.11,0.0531
1996,0.57,6.87e-05,0.111,0.0583
1997,0.618,0.00010499999999999999,0.115,0.0634
1998,0.651,0.00014000000000000001,0.116,0.0692
1999,0.704,0.000176,0.119,0.07529999999999999
2000,0.797,0.000212,0.121,0.08
2001,0.853,0.000248,0.164,0.078
2002,0.845,0.000283,0.206,0.07629999999999999
2003,0.923,0.000319,0.25,0.0747
2004,0.948,0.00035499999999999996,0.293,0.0704
2005,1.01,0.00039,0.339,0.075
2006,1.05,0.000426,0.364,0.0712
2007,1.04,0.000462,0.392,0.0675
2008,1.04,0.000498,0.418,0.06420000000000001
2009,0.989,0.0005340000000000001,0.442,0.0683
2010,1.04,0.000569,0.464,0.052399999999999995
2011,1.09,0.000605,0.461,0.0471
2012,1.13,0.000641,0.456,0.0427
2013,1.19,0.0006770000000000001,0.454,0.0419
2014,1.15,0.0006770000000000001,0.455,0.0395
2015,1.24,0.0006770000000000001,0.463,0.040799999999999996
2016,1.23,0.000757,0.543,0.041299999999999996
2017,1.25,0.00079,0.564,0.0424
2018,1.28,0.000823,0.585,0.0426