year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000523,2.6800000000000003e-09,0.0045,0.00799
1851,0.000526,5.0599999999999995e-09,0.0044800000000000005,0.00902
1852,0.0005290000000000001,7.48e-09,0.00447,0.01
1853,0.000532,9.91e-09,0.00445,0.011
1854,0.000535,1.24e-08,0.00444,0.012
1855,0.0005380000000000001,1.49e-08,0.00442,0.0129
1856,0.000541,1.74e-08,0.00441,0.013900000000000001
1857,0.000545,1.99e-08,0.0044,0.0148
1858,0.0005480000000000001,2.2500000000000003e-08,0.0044,0.0157
1859,0.0005510000000000001,2.51e-08,0.00439,0.0166
1860,0.000554,2.77e-08,0.00439,0.0174
1861,0.0005570000000000001,3.03e-08,0.00439,0.0182
1862,0.0005610000000000001,3.29e-08,0.00438,0.019100000000000002
1863,0.0005639999999999999,3.56e-08,0.00438,0.019899999999999998
1864,0.0005669999999999999,3.8300000000000005e-08,0.00438,0.0207
1865,0.000571,4.1e-08,0.00438,0.0214
1866,0.000574,4.38e-08,0.00438,0.0222
1867,0.000578,4.65e-08,0.00438,0.0229
1868,0.0005809999999999999,4.93e-08,0.00438,0.023600000000000003
1869,0.000585,5.2099999999999997e-08,0.00438,0.024300000000000002
1870,0.000588,5.49e-08,0.00438,0.0249
1871,0.000592,5.77e-08,0.00438,0.0256
1872,0.0005949999999999999,6.05e-08,0.00439,0.026199999999999998
1873,0.0005989999999999999,6.34e-08,0.0044,0.0268
1874,0.000603,6.63e-08,0.00441,0.027399999999999997
1875,0.000606,6.92e-08,0.00443,0.028
1876,0.00061,7.21e-08,0.00445,0.0285
1877,0.000614,7.5e-08,0.00447,0.0291
1878,0.000618,7.79e-08,0.00449,0.0296
1879,0.000621,8.09e-08,0.00451,0.030100000000000002
1880,0.000625,8.39e-08,0.00453,0.0305
1881,0.000629,8.68e-08,0.00455,0.031
1882,0.000633,8.98e-08,0.00458,0.0314
1883,0.000637,9.280000000000001e-08,0.0046,0.0318
1884,0.000641,9.58e-08,0.00463,0.0322
1885,0.000644,9.89e-08,0.00466,0.0325
1886,0.000648,1.02e-07,0.004690000000000001,0.0329
1887,0.000652,1.05e-07,0.004719999999999999,0.0332
1888,0.000656,1.08e-07,0.00475,0.0335
1889,0.00066,1.11e-07,0.00478,0.0338
1890,0.000759,1.74e-07,0.00488,0.0354
1891,0.0007790000000000001,1.86e-07,0.00495,0.0356
1892,0.0008,2.01e-07,0.005030000000000001,0.0359
1893,0.000823,2.1900000000000002e-07,0.00511,0.0363
1894,0.000848,2.39e-07,0.00519,0.0367
1895,0.000873,2.61e-07,0.0052699999999999995,0.037200000000000004
1896,0.0009,2.8499999999999997e-07,0.00536,0.037700000000000004
1897,0.000929,3.11e-07,0.00545,0.038299999999999994
1898,0.000958,3.38e-07,0.00553,0.0389
1899,0.000988,3.66e-07,0.00562,0.0395
1900,0.00102,3.96e-07,0.00571,0.0402
1901,0.00107,4.3e-07,0.005809999999999999,0.0409
1902,0.00115,4.72e-07,0.005900000000000001,0.0416
1903,0.00126,5.2e-07,0.006,0.0425
1904,0.00139,5.71e-07,0.0060999999999999995,0.0434
1905,0.0015400000000000001,6.24e-07,0.0062,0.0444
1906,0.0016899999999999999,6.769999999999999e-07,0.0063,0.0455
1907,0.00185,7.280000000000001e-07,0.00641,0.046700000000000005
1908,0.0020099999999999996,7.73e-07,0.00652,0.0479
1909,0.00217,8.13e-07,0.00663,0.0492
1910,0.00231,8.43e-07,0.00674,0.0506
1911,0.00244,8.67e-07,0.00684,0.0522
1912,0.00257,8.869999999999999e-07,0.00694,0.054
1913,0.00271,9.05e-07,0.00704,0.056
1914,0.0028399999999999996,9.210000000000001e-07,0.00714,0.0582
1915,0.00299,9.36e-07,0.00724,0.0605
1916,0.00314,9.51e-07,0.00735,0.063
1917,0.00331,9.67e-07,0.0074800000000000005,0.06559999999999999
1918,0.0035,9.83e-07,0.00762,0.0682
1919,0.0037099999999999998,1e-06,0.0077800000000000005,0.0709
1920,0.00395,1.02e-06,0.00797,0.0736
1921,0.00422,1.04e-06,0.00822,0.077
1922,0.00453,1.07e-06,0.00856,0.08159999999999999
1923,0.004889999999999999,1.09e-06,0.00897,0.0869
1924,0.00531,1.1199999999999999e-06,0.009460000000000001,0.0927
1925,0.00578,1.15e-06,0.01,0.0987
1926,0.0063,1.1800000000000001e-06,0.0106,0.104
1927,0.006889999999999999,1.2099999999999998e-06,0.0112,0.11
1928,0.007549999999999999,1.25e-06,0.0119,0.114
1929,0.00827,1.28e-06,0.0125,0.117
1930,0.00907,1.32e-06,0.0132,0.119
1931,0.0104,1.37e-06,0.013900000000000001,0.119
1932,0.0125,1.43e-06,0.0147,0.118
1933,0.0152,1.5e-06,0.0154,0.116
1934,0.0182,1.57e-06,0.016300000000000002,0.113
1935,0.0214,1.65e-06,0.0172,0.11
1936,0.0245,1.72e-06,0.0181,0.107
1937,0.0273,1.8e-06,0.019100000000000002,0.105
1938,0.0296,1.88e-06,0.0202,0.102
1939,0.031100000000000003,1.96e-06,0.0213,0.101
1940,0.0317,2.02e-06,0.0224,0.1
1941,0.031100000000000003,2.08e-06,0.0237,0.1
1942,0.0297,2.14e-06,0.0252,0.1
1943,0.0275,2.19e-06,0.026699999999999998,0.1
1944,0.0249,2.2399999999999997e-06,0.028399999999999998,0.101
1945,0.0221,2.29e-06,0.030199999999999998,0.101
1946,0.0193,2.34e-06,0.032,0.101
1947,0.0167,2.4e-06,0.0339,0.101
1948,0.0145,2.4599999999999997e-06,0.0358,0.102
1949,0.013099999999999999,2.5400000000000002e-06,0.037700000000000004,0.103
1950,0.0125,2.63e-06,0.0395,0.103
1951,0.013,2.74e-06,0.041299999999999996,0.105
1952,0.0143,2.8999999999999998e-06,0.0431,0.107
1953,0.0162,3.1e-06,0.044899999999999995,0.111
1954,0.0188,3.32e-06,0.046700000000000005,0.114
1955,0.0217,3.56e-06,0.0485,0.118
1956,0.025,3.81e-06,0.0504,0.123
1957,0.0285,4.07e-06,0.052399999999999995,0.127
1958,0.032,4.34e-06,0.0544,0.13
1959,0.0354,4.6e-06,0.0565,0.134
1960,0.0386,4.839999999999999e-06,0.0588,0.136
1961,0.0415,5.1e-06,0.061200000000000004,0.138
1962,0.0441,5.4e-06,0.0639,0.144
1963,0.046700000000000005,5.73e-06,0.0668,0.146
1964,0.0494,6.0699999999999995e-06,0.0699,0.147
1965,0.0523,6.39e-06,0.073,0.151
1966,0.055600000000000004,6.7e-06,0.0761,0.15
1967,0.0595,6.96e-06,0.0792,0.155
1968,0.06409999999999999,7.17e-06,0.08220000000000001,0.163
1969,0.0695,7.3099999999999995e-06,0.085,0.168
1970,0.0693,7.37e-06,0.0864,0.173
1971,0.137,7.42e-06,0.0973,0.178
1972,0.176,7.889999999999999e-06,0.101,0.184
1973,0.177,8.609999999999999e-06,0.105,0.181
1974,0.319,8.85e-06,0.109,0.181
1975,0.378,8.210000000000001e-06,0.113,0.187
1976,0.448,8.930000000000001e-06,0.118,0.186
1977,0.418,1.41e-05,0.123,0.185
1978,0.404,1.44e-05,0.128,0.163
1979,0.514,1.49e-05,0.133,0.191
1980,0.493,1.45e-05,0.139,0.191
1981,0.408,1.43e-05,0.144,0.191
1982,0.468,1.3599999999999999e-05,0.15,0.185
1983,0.632,1.5100000000000001e-05,0.155,0.183
1984,0.734,0.00066,0.163,0.176
1985,0.482,0.00131,0.171,0.181
1986,0.593,0.00131,0.18,0.18
1987,0.545,0.00131,0.189,0.185
1988,0.639,0.00131,0.197,0.185
1989,0.736,0.00131,0.205,0.187
1990,0.699,0.00131,0.213,0.193
1991,0.768,0.00131,0.223,0.185
1992,0.774,0.00131,0.234,0.186
1993,1.08,0.00131,0.251,0.192
1994,1.01,0.00131,0.262,0.201
1995,1.04,0.00131,0.272,0.196
1996,1.11,0.00131,0.292,0.195
1997,1.14,0.00131,0.302,0.197
1998,1.18,0.00131,0.317,0.194
1999,1.14,0.00138,0.325,0.189
2000,1.11,0.00173,0.345,0.191
2001,1.09,0.0014399999999999999,0.356,0.189
2002,1.12,0.00196,0.378,0.189
2003,1.13,0.0019399999999999999,0.39,0.19
2004,1.22,0.00209,0.403,0.194
2005,1.28,0.00209,0.416,0.193
2006,1.28,0.0034100000000000003,0.435,0.187
2007,1.27,0.00157,0.438,0.196
2008,1.33,0.00172,0.442,0.194
2009,1.27,0.00275,0.459,0.198
2010,1.19,0.0030600000000000002,0.474,0.198
2011,1.23,0.00299,0.486,0.196
2012,1.22,0.00344,0.504,0.195
2013,1.37,0.0027,0.515,0.195
2014,1.45,0.00319,0.53,0.186
2015,1.48,0.00328,0.531,0.192
2016,1.42,0.00344,0.55,0.192
2017,1.44,0.0035499999999999998,0.562,0.192
2018,1.46,0.00367,0.575,0.189