year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000726,0.0,0.0033399999999999997,0.0039700000000000004
1851,0.000734,3.71e-08,0.00335,0.0040999999999999995
1852,0.000743,7.37e-08,0.0033599999999999997,0.00424
1853,0.000752,1.1e-07,0.00337,0.00437
1854,0.000761,1.46e-07,0.0033900000000000002,0.0045
1855,0.0007700000000000001,1.8200000000000002e-07,0.0034,0.00463
1856,0.0007790000000000001,2.17e-07,0.00342,0.00475
1857,0.0007880000000000001,2.52e-07,0.0034300000000000003,0.00488
1858,0.0007970000000000001,2.8699999999999996e-07,0.0034500000000000004,0.005
1859,0.0008070000000000001,3.21e-07,0.00347,0.00513
1860,0.000816,3.55e-07,0.00348,0.00525
1861,0.0008259999999999999,3.88e-07,0.0035,0.00537
1862,0.0008349999999999999,4.22e-07,0.00352,0.00549
1863,0.0008449999999999999,4.55e-07,0.00354,0.00561
1864,0.000855,4.870000000000001e-07,0.0035600000000000002,0.005719999999999999
1865,0.000865,5.2e-07,0.0035800000000000003,0.00584
1866,0.000875,5.52e-07,0.00361,0.00596
1867,0.000885,5.83e-07,0.00363,0.00607
1868,0.0008950000000000001,6.149999999999999e-07,0.00365,0.00618
1869,0.000905,6.459999999999999e-07,0.00368,0.0063
1870,0.000915,6.769999999999999e-07,0.0037,0.00641
1871,0.000925,7.07e-07,0.00373,0.00652
1872,0.0009350000000000001,7.380000000000001e-07,0.00376,0.00663
1873,0.0009459999999999999,7.68e-07,0.00379,0.00674
1874,0.0009559999999999999,7.97e-07,0.00382,0.006849999999999999
1875,0.000967,8.270000000000001e-07,0.00385,0.00696
1876,0.000977,8.56e-07,0.0038799999999999998,0.0070599999999999994
1877,0.000988,8.85e-07,0.00392,0.00717
1878,0.000998,9.14e-07,0.00395,0.00728
1879,0.00101,9.42e-07,0.00398,0.00738
1880,0.00102,9.7e-07,0.004019999999999999,0.00749
1881,0.00103,9.98e-07,0.00405,0.0075899999999999995
1882,0.0010400000000000001,1.03e-06,0.00408,0.007690000000000001
1883,0.0010500000000000002,1.05e-06,0.00411,0.0078
1884,0.00106,1.08e-06,0.00415,0.0079
1885,0.00107,1.1100000000000002e-06,0.00418,0.008
1886,0.00109,1.13e-06,0.00422,0.0081
1887,0.0011,1.16e-06,0.00425,0.00821
1888,0.00111,1.19e-06,0.00428,0.00831
1889,0.0011200000000000001,1.2099999999999998e-06,0.00432,0.00841
1890,0.0011200000000000001,1.9e-06,0.00441,0.0086
1891,0.00121,2.03e-06,0.00445,0.0087
1892,0.00148,2.2e-06,0.00449,0.00882
1893,0.00191,2.39e-06,0.00454,0.00893
1894,0.00249,2.61e-06,0.0045899999999999995,0.00905
1895,0.00322,2.8500000000000002e-06,0.00464,0.009179999999999999
1896,0.004070000000000001,3.1199999999999998e-06,0.004690000000000001,0.00931
1897,0.00505,3.3999999999999996e-06,0.00475,0.009439999999999999
1898,0.00614,3.6900000000000002e-06,0.0048,0.00958
1899,0.00732,4e-06,0.004860000000000001,0.009720000000000001
1900,0.0086,4.32e-06,0.00492,0.009869999999999999
1901,0.0108,4.69e-06,0.0049900000000000005,0.01
1902,0.0146,5.15e-06,0.00505,0.0101
1903,0.019600000000000003,5.67e-06,0.00512,0.0103
1904,0.0255,6.2300000000000005e-06,0.0052,0.0104
1905,0.032100000000000004,6.799999999999999e-06,0.0052699999999999995,0.0106
1906,0.039,7.3800000000000005e-06,0.00535,0.0107
1907,0.045899999999999996,7.92e-06,0.00543,0.0109
1908,0.052399999999999995,8.42e-06,0.00551,0.0111
1909,0.0584,8.84e-06,0.0055899999999999995,0.011300000000000001
1910,0.0634,9.18e-06,0.005679999999999999,0.0116
1911,0.0678,9.43e-06,0.0057599999999999995,0.012
1912,0.0722,9.66e-06,0.00583,0.0127
1913,0.0765,9.849999999999999e-06,0.005900000000000001,0.0135
1914,0.08059999999999999,1e-05,0.00598,0.0145
1915,0.0846,1.02e-05,0.006059999999999999,0.0156
1916,0.0883,1.0399999999999999e-05,0.00614,0.016800000000000002
1917,0.09190000000000001,1.0500000000000001e-05,0.00624,0.018
1918,0.0952,1.07e-05,0.00635,0.019100000000000002
1919,0.09809999999999999,1.09e-05,0.00647,0.0202
1920,0.101,1.11e-05,0.00662,0.0212
1921,0.103,1.1400000000000001e-05,0.006809999999999999,0.0222
1922,0.105,1.1599999999999999e-05,0.00708,0.023399999999999997
1923,0.107,1.1900000000000001e-05,0.0074199999999999995,0.0245
1924,0.108,1.22e-05,0.00782,0.0257
1925,0.11,1.25e-05,0.00827,0.0269
1926,0.111,1.2800000000000001e-05,0.00875,0.028
1927,0.113,1.32e-05,0.009269999999999999,0.0289
1928,0.115,1.3599999999999999e-05,0.009810000000000001,0.0296
1929,0.117,1.4e-05,0.0104,0.030100000000000002
1930,0.119,1.44e-05,0.0109,0.0303
1931,0.122,1.4999999999999999e-05,0.0115,0.030199999999999998
1932,0.126,1.56e-05,0.0121,0.0299
1933,0.13,1.63e-05,0.0128,0.0295
1934,0.134,1.7100000000000002e-05,0.0135,0.0289
1935,0.139,1.7999999999999997e-05,0.014199999999999999,0.028300000000000002
1936,0.144,1.88e-05,0.015,0.0277
1937,0.15,1.9699999999999998e-05,0.0159,0.0272
1938,0.156,2.06e-05,0.0167,0.0268
1939,0.162,2.14e-05,0.0177,0.0265
1940,0.169,2.2100000000000002e-05,0.018699999999999998,0.0264
1941,0.176,2.2800000000000002e-05,0.0197,0.028300000000000002
1942,0.184,2.34e-05,0.0209,0.033299999999999996
1943,0.193,2.39e-05,0.0222,0.040799999999999996
1944,0.203,2.4500000000000003e-05,0.023600000000000003,0.0499
1945,0.213,2.5e-05,0.0251,0.0598
1946,0.224,2.55e-05,0.026600000000000002,0.0696
1947,0.235,2.62e-05,0.0282,0.0787
1948,0.246,2.69e-05,0.0298,0.0862
1949,0.257,2.77e-05,0.0314,0.09129999999999999
1950,0.269,2.86e-05,0.033100000000000004,0.0932
1951,0.28,2.99e-05,0.0347,0.0923
1952,0.29,3.16e-05,0.0364,0.0897
1953,0.3,3.37e-05,0.0381,0.0859
1954,0.31,3.61e-05,0.0399,0.08120000000000001
1955,0.321,3.87e-05,0.0417,0.0762
1956,0.333,4.15e-05,0.0436,0.0712
1957,0.346,4.44e-05,0.0456,0.0665
1958,0.361,4.72e-05,0.047700000000000006,0.0627
1959,0.378,5e-05,0.0499,0.060200000000000004
1960,0.397,5.2699999999999993e-05,0.0522,0.0592
1961,0.424,5.5599999999999996e-05,0.054799999999999995,0.0785
1962,0.463,5.89e-05,0.0578,0.0741
1963,0.511,6.25e-05,0.061,0.0645
1964,0.566,6.62e-05,0.0645,0.0695
1965,0.625,6.98e-05,0.068,0.0819
1966,0.687,7.32e-05,0.0716,0.0849
1967,0.748,7.61e-05,0.0751,0.1
1968,0.806,7.84e-05,0.0785,0.105
1969,0.86,7.99e-05,0.08159999999999999,0.107
1970,1.67,8.26e-05,0.0865,0.109
1971,2.2,8.53e-05,0.09029999999999999,0.111
1972,4.04,0.0001,0.093,0.113
1973,5.81,0.000111,0.09559999999999999,0.111
1974,4.49,0.00011300000000000001,0.0986,0.115
1975,3.66,8.98e-05,0.101,0.122
1976,5.01,0.000115,0.104,0.119
1977,5.51,0.000132,0.108,0.13
1978,5.72,0.00013800000000000002,0.112,0.137
1979,4.83,0.00015099999999999998,0.116,0.15
1980,4.62,0.000131,0.12,0.157
1981,3.34,0.00014299999999999998,0.125,0.159
1982,2.55,0.000185,0.131,0.166
1983,2.48,0.000207,0.136,0.173
1984,3.09,0.000192,0.142,0.166
1985,4.38,0.000326,0.147,0.166
1986,3.96,0.000272,0.153,0.163
1987,3.49,0.000333,0.159,0.168
1988,3.27,0.000335,0.164,0.167
1989,3.49,0.00029299999999999997,0.17,0.173
1990,2.81,0.000283,0.176,0.174
1991,2.85,0.000264,0.181,0.167
1992,4.09,0.00029099999999999997,0.188,0.175
1993,3.88,0.00026900000000000003,0.193,0.178
1994,3.67,0.00026700000000000004,0.196,0.171
1995,3.83,0.000315,0.201,0.171
1996,3.69,0.00023300000000000003,0.206,0.172
1997,3.16,0.00023,0.212,0.172
1998,2.85,0.00021799999999999999,0.215,0.181
1999,2.75,0.00029299999999999997,0.221,0.19
2000,2.74,0.000289,0.225,0.19
2001,2.41,0.000298,0.229,0.192
2002,2.29,0.000299,0.234,0.186
2003,2.62,0.000294,0.238,0.192
2004,2.45,0.00034399999999999996,0.243,0.201
2005,2.52,0.00031800000000000003,0.247,0.202
2006,2.64,0.00035499999999999996,0.253,0.208
2007,2.47,0.00034399999999999996,0.26,0.212
2008,2.57,0.00025,0.265,0.209
2009,2.29,0.000311,0.271,0.221
2010,2.32,0.000304,0.279,0.233
2011,2.23,0.00034300000000000004,0.286,0.241
2012,2.25,0.000333,0.294,0.254
2013,2.25,0.00025,0.3,0.262
2014,2.34,0.000317,0.313,0.278
2015,2.4,0.000319,0.322,0.281
2016,2.29,0.00031,0.321,0.279
2017,2.27,0.00031,0.327,0.275
2018,2.26,0.000309,0.334,0.272