year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00263,0.0,0.0144,0.00226
1851,0.00266,3.19e-06,0.0144,0.00234
1852,0.00269,6.349999999999999e-06,0.0145,0.0024100000000000002
1853,0.00273,9.48e-06,0.0145,0.00249
1854,0.00276,1.26e-05,0.0146,0.00256
1855,0.00279,1.56e-05,0.0147,0.00263
1856,0.00282,1.87e-05,0.0147,0.0027
1857,0.0028599999999999997,2.17e-05,0.0148,0.00278
1858,0.00289,2.47e-05,0.0149,0.00285
1859,0.00292,2.76e-05,0.0149,0.00292
1860,0.00296,3.05e-05,0.015,0.00299
1861,0.00299,3.34e-05,0.015099999999999999,0.0030600000000000002
1862,0.0030299999999999997,3.63e-05,0.0152,0.00312
1863,0.0030600000000000002,3.91e-05,0.015300000000000001,0.00319
1864,0.0031,4.19e-05,0.0154,0.00326
1865,0.00313,4.4699999999999996e-05,0.0154,0.00332
1866,0.00317,4.75e-05,0.0155,0.0033900000000000002
1867,0.00321,5.02e-05,0.0156,0.0034500000000000004
1868,0.0032400000000000003,5.2900000000000005e-05,0.0157,0.00352
1869,0.00328,5.5599999999999996e-05,0.0159,0.0035800000000000003
1870,0.00332,5.83e-05,0.016,0.00365
1871,0.00335,6.09e-05,0.0161,0.0037099999999999998
1872,0.0033900000000000002,6.35e-05,0.0162,0.00377
1873,0.0034300000000000003,6.610000000000001e-05,0.016300000000000002,0.0038399999999999997
1874,0.00347,6.86e-05,0.0165,0.0039
1875,0.0035,7.12e-05,0.0166,0.00396
1876,0.00354,7.37e-05,0.0167,0.004019999999999999
1877,0.0035800000000000003,7.620000000000001e-05,0.0169,0.00408
1878,0.00362,7.86e-05,0.017,0.00414
1879,0.00366,8.11e-05,0.0172,0.004200000000000001
1880,0.0037,8.350000000000001e-05,0.0173,0.00426
1881,0.0037400000000000003,8.59e-05,0.0174,0.00432
1882,0.00377,8.83e-05,0.0176,0.00438
1883,0.00381,9.070000000000001e-05,0.0177,0.00444
1884,0.00385,9.3e-05,0.0179,0.0045
1885,0.0038900000000000002,9.53e-05,0.018,0.00455
1886,0.00393,9.76e-05,0.0182,0.00461
1887,0.0039700000000000004,9.99e-05,0.0183,0.00467
1888,0.00401,0.000102,0.0185,0.004730000000000001
1889,0.00405,0.000104,0.018600000000000002,0.00478
1890,0.00594,0.000163,0.019100000000000002,0.0048200000000000005
1891,0.006900000000000001,0.000175,0.019100000000000002,0.0048200000000000005
1892,0.00788,0.000189,0.019100000000000002,0.00483
1893,0.00889,0.000206,0.0192,0.00484
1894,0.00993,0.000225,0.0193,0.00484
1895,0.011,0.000245,0.019399999999999997,0.004849999999999999
1896,0.0121,0.000268,0.0195,0.004860000000000001
1897,0.0132,0.000292,0.019600000000000003,0.00487
1898,0.0144,0.000317,0.0197,0.004889999999999999
1899,0.0155,0.00034399999999999996,0.019899999999999998,0.004900000000000001
1900,0.0167,0.000371,0.0201,0.00491
1901,0.0181,0.00040300000000000004,0.020300000000000002,0.0049299999999999995
1902,0.0197,0.000442,0.0205,0.00495
1903,0.0215,0.00048699999999999997,0.0209,0.00497
1904,0.0233,0.000535,0.0212,0.005
1905,0.0251,0.000584,0.0217,0.005030000000000001
1906,0.0268,0.000633,0.0221,0.005059999999999999
1907,0.0282,0.00068,0.022600000000000002,0.00509
1908,0.0294,0.000723,0.023,0.00512
1909,0.030199999999999998,0.000759,0.0235,0.00515
1910,0.0304,0.0007880000000000001,0.023899999999999998,0.00518
1911,0.0304,0.0008110000000000001,0.024399999999999998,0.00521
1912,0.0303,0.00083,0.0248,0.00524
1913,0.030100000000000002,0.000847,0.0252,0.00526
1914,0.03,0.0008629999999999999,0.0257,0.00529
1915,0.0297,0.000877,0.0261,0.00531
1916,0.0295,0.000891,0.026600000000000002,0.00534
1917,0.0294,0.000906,0.027100000000000003,0.00538
1918,0.0292,0.000921,0.027600000000000003,0.00542
1919,0.0291,0.000939,0.028,0.00547
1920,0.0291,0.000958,0.0285,0.00552
1921,0.030100000000000002,0.00098,0.0291,0.00564
1922,0.0329,0.001,0.0296,0.005849999999999999
1923,0.037200000000000004,0.00103,0.030100000000000002,0.00614
1924,0.0427,0.0010500000000000002,0.030699999999999998,0.00649
1925,0.0492,0.00108,0.0312,0.00688
1926,0.0564,0.0011,0.0318,0.00729
1927,0.0639,0.00113,0.0324,0.0077
1928,0.0715,0.00117,0.0329,0.00809
1929,0.07890000000000001,0.0012,0.0335,0.00845
1930,0.0858,0.00124,0.0342,0.00875
1931,0.0922,0.00128,0.0348,0.009
1932,0.09820000000000001,0.00134,0.0354,0.00924
1933,0.104,0.0014,0.036,0.009470000000000001
1934,0.11,0.00147,0.0367,0.00968
1935,0.117,0.0015400000000000001,0.037399999999999996,0.009890000000000001
1936,0.124,0.00161,0.038,0.0101
1937,0.132,0.0016899999999999999,0.038700000000000005,0.0103
1938,0.141,0.00176,0.0395,0.0105
1939,0.152,0.00183,0.0402,0.0108
1940,0.164,0.0019,0.041,0.011
1941,0.18,0.00195,0.0418,0.0112
1942,0.203,0.002,0.0425,0.0115
1943,0.232,0.0020499999999999997,0.0433,0.011800000000000001
1944,0.266,0.0021000000000000003,0.0441,0.012
1945,0.305,0.00214,0.044899999999999995,0.0123
1946,0.347,0.00219,0.0458,0.0126
1947,0.393,0.00225,0.046799999999999994,0.0128
1948,0.442,0.00231,0.0479,0.0132
1949,0.492,0.0023799999999999997,0.049100000000000005,0.0135
1950,0.543,0.00246,0.0505,0.013800000000000002
1951,0.597,0.00257,0.0523,0.0143
1952,0.656,0.00272,0.0546,0.0148
1953,0.719,0.0029100000000000003,0.0575,0.0154
1954,0.788,0.00311,0.060700000000000004,0.016
1955,0.864,0.0033399999999999997,0.0643,0.0167
1956,0.946,0.0035800000000000003,0.0681,0.0173
1957,1.04,0.00383,0.0722,0.0179
1958,1.14,0.00408,0.07640000000000001,0.0183
1959,1.24,0.00433,0.08059999999999999,0.018699999999999998
1960,1.36,0.00456,0.0849,0.0189
1961,1.48,0.00481,0.08940000000000001,0.0245
1962,1.58,0.00509,0.09440000000000001,0.0247
1963,1.7,0.0054,0.0997,0.0253
1964,1.83,0.005719999999999999,0.105,0.0261
1965,2.0,0.006030000000000001,0.111,0.027899999999999998
1966,2.22,0.00632,0.117,0.0273
1967,2.49,0.00657,0.123,0.0277
1968,2.84,0.00677,0.129,0.030100000000000002
1969,3.27,0.006900000000000001,0.135,0.0314
1970,5.89,0.007019999999999999,0.165,0.032799999999999996
1971,7.71,0.007019999999999999,0.178,0.0347
1972,10.4,0.007019999999999999,0.189,0.0359
1973,14.5,0.007019999999999999,0.201,0.0407
1974,15.0,0.007019999999999999,0.213,0.047299999999999995
1975,11.3,0.007019999999999999,0.225,0.0503
1976,14.5,0.007019999999999999,0.24,0.0541
1977,14.5,0.007019999999999999,0.255,0.0546
1978,12.7,0.007019999999999999,0.27,0.060899999999999996
1979,13.3,0.007019999999999999,0.287,0.06570000000000001
1980,15.1,0.007019999999999999,0.306,0.06659999999999999
1981,10.6,0.007019999999999999,0.329,0.0639
1982,8.69,0.007019999999999999,0.354,0.0747
1983,6.69,0.007019999999999999,0.381,0.0851
1984,2.31,0.007019999999999999,0.411,0.0886
1985,1.77,0.00842,0.468,0.0878
1986,1.78,0.00848,0.495,0.09240000000000001
1987,1.57,0.00922,0.527,0.0876
1988,2.17,0.00956,0.558,0.0849
1989,2.47,0.009529999999999999,0.577,0.0844
1990,2.26,0.00959,0.602,0.088
1991,2.18,0.00975,0.622,0.091
1992,1.95,0.00991,0.625,0.09409999999999999
1993,1.67,0.0101,0.681,0.0952
1994,2.32,0.010199999999999999,0.712,0.09720000000000001
1995,2.17,0.0104,0.735,0.09659999999999999
1996,2.21,0.0105,0.755,0.0963
1997,2.23,0.0107,0.774,0.09609999999999999
1998,2.1,0.0109,0.796,0.0927
1999,1.9,0.011,0.811,0.087
2000,2.0,0.0112,0.866,0.0897
2001,1.96,0.0136,0.92,0.091
2002,1.95,0.0149,0.917,0.09140000000000001
2003,2.23,0.0161,0.919,0.08940000000000001
2004,2.27,0.0185,0.935,0.09440000000000001
2005,2.45,0.0224,0.951,0.09459999999999999
2006,2.51,0.0233,0.967,0.0888
2007,2.49,0.024399999999999998,0.989,0.0881
2008,2.63,0.028300000000000002,1.01,0.07629999999999999
2009,2.44,0.033100000000000004,1.05,0.0674
2010,2.53,0.0357,1.09,0.0741
2011,2.7,0.0361,1.12,0.0808
2012,2.82,0.0365,1.14,0.08270000000000001
2013,2.83,0.0375,1.19,0.0887
2014,2.87,0.0375,1.22,0.0853
2015,3.01,0.0375,1.13,0.0868
2016,3.05,0.0436,1.22,0.0874
2017,3.12,0.0456,1.24,0.0882
2018,3.19,0.0476,1.26,0.0891