year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00014399999999999998,6.11e-07,0.0202,0.12
1851,0.00014399999999999998,6.99e-07,0.020399999999999998,0.12
1852,0.000145,7.87e-07,0.0207,0.12
1853,0.000147,8.769999999999999e-07,0.0209,0.121
1854,0.000149,9.68e-07,0.0212,0.121
1855,0.000152,1.06e-06,0.0214,0.122
1856,0.000156,1.15e-06,0.0217,0.123
1857,0.00016,1.25e-06,0.0219,0.124
1858,0.000164,1.34e-06,0.0222,0.125
1859,0.00016900000000000002,1.4400000000000002e-06,0.0224,0.126
1860,0.000175,1.5399999999999999e-06,0.022600000000000002,0.127
1861,0.00018099999999999998,1.6299999999999999e-06,0.0229,0.128
1862,0.000187,1.73e-06,0.023100000000000002,0.13
1863,0.000194,1.83e-06,0.0233,0.131
1864,0.000202,1.93e-06,0.023600000000000003,0.133
1865,0.00020999999999999998,2.03e-06,0.0238,0.135
1866,0.00021799999999999999,2.14e-06,0.024,0.137
1867,0.00022700000000000002,2.2399999999999997e-06,0.0242,0.138
1868,0.000236,2.34e-06,0.0245,0.141
1869,0.000245,2.45e-06,0.0247,0.143
1870,0.000255,2.55e-06,0.025,0.145
1871,0.000265,2.66e-06,0.0253,0.147
1872,0.00027600000000000004,2.7699999999999997e-06,0.0256,0.149
1873,0.00028599999999999996,2.8800000000000004e-06,0.0259,0.152
1874,0.000298,2.98e-06,0.026199999999999998,0.154
1875,0.000309,3.09e-06,0.026600000000000002,0.157
1876,0.000321,3.2000000000000003e-06,0.0269,0.16
1877,0.000332,3.31e-06,0.0273,0.162
1878,0.000345,3.42e-06,0.0277,0.165
1879,0.000357,3.54e-06,0.028,0.168
1880,0.00036899999999999997,3.65e-06,0.028399999999999998,0.171
1881,0.000382,3.76e-06,0.0287,0.173
1882,0.000395,3.87e-06,0.0291,0.176
1883,0.000408,3.99e-06,0.0294,0.179
1884,0.000421,4.1000000000000006e-06,0.0298,0.182
1885,0.000434,4.219999999999999e-06,0.030100000000000002,0.185
1886,0.000447,4.33e-06,0.0305,0.188
1887,0.00046100000000000004,4.45e-06,0.030899999999999997,0.191
1888,0.000474,4.5599999999999995e-06,0.0312,0.195
1889,0.000488,4.68e-06,0.0316,0.198
1890,0.000585,7.28e-06,0.032299999999999995,0.199
1891,0.000626,7.8e-06,0.0324,0.199
1892,0.00067,8.439999999999999e-06,0.0324,0.2
1893,0.000716,9.18e-06,0.0325,0.2
1894,0.000764,1e-05,0.0327,0.2
1895,0.000815,1.09e-05,0.0329,0.201
1896,0.000867,1.1900000000000001e-05,0.033100000000000004,0.202
1897,0.000921,1.3e-05,0.033299999999999996,0.202
1898,0.000977,1.41e-05,0.0335,0.203
1899,0.0010400000000000001,1.53e-05,0.0338,0.204
1900,0.00109,1.65e-05,0.034,0.205
1901,0.00116,1.7999999999999997e-05,0.0344,0.206
1902,0.00124,1.9699999999999998e-05,0.0348,0.207
1903,0.00132,2.17e-05,0.0354,0.208
1904,0.00141,2.3800000000000003e-05,0.0361,0.21
1905,0.0015,2.6e-05,0.0368,0.212
1906,0.00159,2.82e-05,0.0375,0.214
1907,0.0016699999999999998,3.03e-05,0.038299999999999994,0.216
1908,0.00174,3.22e-05,0.0391,0.217
1909,0.0017900000000000001,3.39e-05,0.0399,0.219
1910,0.00183,3.52e-05,0.040600000000000004,0.221
1911,0.00185,3.6200000000000006e-05,0.0414,0.223
1912,0.0018700000000000001,3.7e-05,0.0421,0.224
1913,0.00189,3.78e-05,0.0428,0.226
1914,0.0019,3.85e-05,0.0436,0.227
1915,0.0019199999999999998,3.91e-05,0.0444,0.229
1916,0.0019299999999999999,3.9699999999999996e-05,0.045200000000000004,0.23
1917,0.0019399999999999999,4.04e-05,0.046,0.232
1918,0.00196,4.1099999999999996e-05,0.046799999999999994,0.235
1919,0.00198,4.19e-05,0.0476,0.238
1920,0.002,4.28e-05,0.0485,0.241
1921,0.0020499999999999997,4.3700000000000005e-05,0.0493,0.248
1922,0.00215,4.4699999999999996e-05,0.0502,0.261
1923,0.00229,4.57e-05,0.0511,0.279
1924,0.0024700000000000004,4.68e-05,0.052,0.3
1925,0.00267,4.8e-05,0.053,0.324
1926,0.0029,4.93e-05,0.053899999999999997,0.349
1927,0.00314,5.06e-05,0.0549,0.374
1928,0.0033900000000000002,5.2e-05,0.0559,0.398
1929,0.00363,5.36e-05,0.0569,0.42
1930,0.0038799999999999998,5.53e-05,0.058,0.438
1931,0.00415,5.73e-05,0.059,0.454
1932,0.00449,5.97e-05,0.0601,0.468
1933,0.004889999999999999,6.25e-05,0.061200000000000004,0.482
1934,0.00535,6.55e-05,0.062299999999999994,0.495
1935,0.005849999999999999,6.87e-05,0.0634,0.508
1936,0.00639,7.199999999999999e-05,0.06459999999999999,0.521
1937,0.00696,7.539999999999999e-05,0.0658,0.534
1938,0.007549999999999999,7.86e-05,0.067,0.547
1939,0.00816,8.17e-05,0.0683,0.561
1940,0.00877,8.46e-05,0.0696,0.575
1941,0.00949,8.71e-05,0.0709,0.59
1942,0.0104,8.939999999999999e-05,0.0722,0.605
1943,0.0115,9.15e-05,0.0735,0.62
1944,0.0127,9.35e-05,0.07479999999999999,0.635
1945,0.014,9.56e-05,0.0762,0.651
1946,0.0155,9.779999999999999e-05,0.0777,0.668
1947,0.017,0.0001,0.07940000000000001,0.685
1948,0.0185,0.000103,0.08120000000000001,0.703
1949,0.0201,0.000106,0.0834,0.723
1950,0.0217,0.00011,0.0857,0.743
1951,0.023399999999999997,0.000115,0.0888,0.769
1952,0.0251,0.000121,0.0927,0.801
1953,0.027,0.00013000000000000002,0.0975,0.837
1954,0.029,0.00013900000000000002,0.103,0.875
1955,0.0312,0.000149,0.109,0.914
1956,0.033600000000000005,0.00016,0.116,0.951
1957,0.0362,0.000171,0.123,0.984
1958,0.0391,0.000182,0.13,1.01
1959,0.0422,0.000193,0.137,1.03
1960,0.045700000000000005,0.000203,0.144,1.04
1961,0.0493,0.000214,0.152,1.06
1962,0.053200000000000004,0.00022700000000000002,0.16,1.04
1963,0.0575,0.000241,0.169,1.04
1964,0.0625,0.000255,0.179,1.04
1965,0.0686,0.00026900000000000003,0.189,1.07
1966,0.07590000000000001,0.00028199999999999997,0.199,1.08
1967,0.0847,0.00029299999999999997,0.209,1.11
1968,0.0953,0.00030199999999999997,0.219,1.13
1969,0.108,0.000308,0.229,1.12
1970,0.103,0.000313,0.228,1.09
1971,0.104,0.000275,0.239,1.06
1972,0.11,0.00029499999999999996,0.249,1.06
1973,0.109,0.000324,0.26,1.07
1974,0.116,0.00034300000000000004,0.263,1.09
1975,0.112,0.00023899999999999998,0.267,1.1
1976,0.113,0.000253,0.27,1.12
1977,0.11,0.00026900000000000003,0.278,1.14
1978,0.132,0.00023400000000000002,0.279,1.16
1979,0.122,0.000266,0.292,1.19
1980,0.122,0.00029,0.298,1.23
1981,0.13,0.00023799999999999998,0.307,1.27
1982,0.141,0.000187,0.315,1.26
1983,0.235,0.000223,0.325,1.18
1984,0.245,0.00027800000000000004,0.338,1.15
1985,0.266,0.000307,0.341,1.0
1986,0.288,0.000331,0.351,1.02
1987,0.31,0.000352,0.361,1.04
1988,0.305,0.000373,0.365,1.03
1989,0.32,0.000308,0.373,1.03
1990,0.311,0.000317,0.384,1.0
1991,0.302,0.000299,0.392,1.04
1992,0.303,0.000314,0.4,1.02
1993,0.296,0.000314,0.409,1.01
1994,0.28,0.000316,0.418,1.01
1995,0.286,0.00030199999999999997,0.43,0.984
1996,0.286,0.000326,0.443,0.985
1997,0.305,0.00034300000000000004,0.463,0.916
1998,0.311,0.000324,0.474,0.907
1999,0.343,0.000305,0.491,0.913
2000,0.361,0.00035299999999999996,0.507,0.874
2001,0.33,0.00033400000000000004,0.526,0.856
2002,0.321,0.000298,0.542,0.771
2003,0.314,0.000326,0.557,0.843
2004,0.314,0.000335,0.575,0.85
2005,0.338,0.000376,0.587,0.881
2006,0.347,0.000354,0.603,0.913
2007,0.425,0.00036899999999999997,0.609,0.925
2008,0.485,0.000382,0.607,0.903
2009,0.492,0.000361,0.605,0.886
2010,0.491,0.00041099999999999996,0.611,0.95
2011,0.504,0.000447,0.617,1.03
2012,0.525,0.000517,0.598,1.16
2013,0.467,0.000535,0.541,1.21
2014,0.534,0.0005570000000000001,0.532,1.23
2015,0.296,0.000602,0.546,1.21
2016,0.42,0.00069,0.518,1.22
2017,0.356,0.000656,0.463,1.35
2018,0.383,0.0006879999999999999,0.467,1.45