year,IPC1,IPC2,IPC4,IPCMAG
1850,0.009890000000000001,8.08e-06,0.0484,0.49
1851,0.00991,9.24e-06,0.049,0.49
1852,0.009980000000000001,1.0399999999999999e-05,0.0496,0.491
1853,0.0101,1.1599999999999999e-05,0.0502,0.493
1854,0.010199999999999999,1.2800000000000001e-05,0.0508,0.495
1855,0.0104,1.4e-05,0.0514,0.497
1856,0.0107,1.53e-05,0.052,0.5
1857,0.0109,1.65e-05,0.0526,0.504
1858,0.011300000000000001,1.78e-05,0.053200000000000004,0.508
1859,0.0116,1.9e-05,0.0538,0.512
1860,0.012,2.03e-05,0.0544,0.517
1861,0.0124,2.16e-05,0.055,0.523
1862,0.0128,2.29e-05,0.0555,0.529
1863,0.013300000000000001,2.42e-05,0.056,0.535
1864,0.013800000000000002,2.5600000000000002e-05,0.056600000000000004,0.542
1865,0.0144,2.69e-05,0.0571,0.549
1866,0.015,2.83e-05,0.0576,0.557
1867,0.0155,2.96e-05,0.0582,0.565
1868,0.0162,3.1e-05,0.0587,0.573
1869,0.016800000000000002,3.24e-05,0.0593,0.582
1870,0.0175,3.3799999999999995e-05,0.06,0.591
1871,0.0182,3.52e-05,0.060700000000000004,0.6
1872,0.0189,3.66e-05,0.061399999999999996,0.609
1873,0.0197,3.8e-05,0.062200000000000005,0.619
1874,0.020399999999999998,3.95e-05,0.063,0.629
1875,0.0212,4.09e-05,0.0638,0.64
1876,0.022,4.23e-05,0.06470000000000001,0.651
1877,0.0228,4.38e-05,0.06559999999999999,0.661
1878,0.023600000000000003,4.53e-05,0.0664,0.673
1879,0.0245,4.67e-05,0.0673,0.684
1880,0.0253,4.82e-05,0.0681,0.695
1881,0.026199999999999998,4.97e-05,0.069,0.707
1882,0.027100000000000003,5.1200000000000004e-05,0.0698,0.719
1883,0.028,5.2699999999999993e-05,0.0707,0.731
1884,0.0289,5.4199999999999996e-05,0.0715,0.743
1885,0.0298,5.57e-05,0.0724,0.756
1886,0.030699999999999998,5.72e-05,0.0732,0.768
1887,0.0316,5.88e-05,0.0741,0.78
1888,0.0325,6.03e-05,0.075,0.793
1889,0.0335,6.18e-05,0.07590000000000001,0.806
1890,0.052399999999999995,9.65e-05,0.0792,0.809
1891,0.0589,0.000103,0.0815,0.811
1892,0.06609999999999999,0.000112,0.0839,0.813
1893,0.0741,0.000122,0.0863,0.815
1894,0.08270000000000001,0.000133,0.0888,0.818
1895,0.09190000000000001,0.000145,0.09129999999999999,0.82
1896,0.102,0.00015900000000000002,0.0938,0.823
1897,0.112,0.00017299999999999998,0.0965,0.826
1898,0.123,0.000188,0.0991,0.829
1899,0.134,0.000204,0.102,0.832
1900,0.145,0.00022,0.105,0.835
1901,0.157,0.00023899999999999998,0.107,0.839
1902,0.17,0.000263,0.11,0.842
1903,0.184,0.000289,0.113,0.846
1904,0.199,0.00031800000000000003,0.116,0.85
1905,0.214,0.000347,0.119,0.854
1906,0.23,0.000376,0.122,0.859
1907,0.247,0.000404,0.126,0.863
1908,0.264,0.000429,0.129,0.867
1909,0.282,0.000451,0.132,0.871
1910,0.301,0.00046800000000000005,0.135,0.875
1911,0.323,0.000481,0.138,0.88
1912,0.35,0.000493,0.141,0.885
1913,0.38,0.000503,0.145,0.891
1914,0.412,0.000512,0.148,0.897
1915,0.444,0.0005200000000000001,0.151,0.903
1916,0.475,0.000528,0.154,0.908
1917,0.503,0.000537,0.158,0.913
1918,0.527,0.000546,0.161,0.917
1919,0.545,0.0005560000000000001,0.164,0.92
1920,0.556,0.0005679999999999999,0.168,0.921
1921,0.562,0.0005809999999999999,0.172,0.911
1922,0.567,0.000594,0.175,0.883
1923,0.57,0.000607,0.179,0.841
1924,0.573,0.000622,0.183,0.79
1925,0.576,0.000637,0.187,0.735
1926,0.578,0.0006540000000000001,0.191,0.68
1927,0.581,0.0006720000000000001,0.195,0.63
1928,0.585,0.000691,0.199,0.589
1929,0.59,0.0007109999999999999,0.203,0.562
1930,0.597,0.000734,0.207,0.554
1931,0.616,0.00076,0.212,0.568
1932,0.655,0.0007930000000000001,0.217,0.602
1933,0.709,0.00083,0.222,0.65
1934,0.773,0.00087,0.227,0.708
1935,0.841,0.0009130000000000001,0.232,0.771
1936,0.908,0.000957,0.238,0.834
1937,0.969,0.001,0.243,0.892
1938,1.02,0.0010400000000000001,0.247,0.941
1939,1.05,0.00109,0.251,0.975
1940,1.07,0.0011200000000000001,0.255,0.989
1941,1.06,0.00116,0.257,0.991
1942,1.03,0.0011899999999999999,0.26,0.991
1943,0.994,0.00122,0.262,0.988
1944,0.948,0.00124,0.264,0.985
1945,0.898,0.00127,0.265,0.981
1946,0.849,0.0013,0.267,0.978
1947,0.803,0.00133,0.269,0.975
1948,0.766,0.0013700000000000001,0.271,0.973
1949,0.74,0.00141,0.274,0.974
1950,0.731,0.00146,0.278,0.976
1951,0.737,0.0015300000000000001,0.283,0.983
1952,0.756,0.0016200000000000001,0.291,0.995
1953,0.783,0.00172,0.301,1.01
1954,0.815,0.00185,0.312,1.03
1955,0.851,0.00198,0.325,1.05
1956,0.887,0.00212,0.338,1.07
1957,0.92,0.00227,0.351,1.09
1958,0.948,0.00242,0.365,1.11
1959,0.967,0.00256,0.377,1.12
1960,0.975,0.0027,0.389,1.13
1961,0.976,0.00283,0.399,1.09
1962,0.974,0.0029500000000000004,0.409,1.1
1963,0.97,0.00307,0.419,1.1
1964,0.962,0.00319,0.429,1.1
1965,0.95,0.00331,0.439,1.08
1966,0.933,0.00344,0.449,1.06
1967,0.911,0.0035800000000000003,0.459,1.07
1968,0.884,0.0037400000000000003,0.469,1.09
1969,0.85,0.00392,0.48,1.12
1970,1.1,0.00333,0.459,1.06
1971,0.921,0.0033599999999999997,0.482,1.01
1972,0.796,0.0036,0.49,0.994
1973,0.747,0.00394,0.497,0.989
1974,0.656,0.00367,0.5,1.02
1975,0.582,0.00309,0.495,1.03
1976,0.601,0.0033799999999999998,0.501,1.04
1977,0.602,0.00311,0.501,1.05
1978,0.499,0.00325,0.504,1.02
1979,0.486,0.00347,0.508,1.02
1980,0.492,0.0031,0.505,1.0
1981,0.495,0.0028,0.5,0.993
1982,0.49,0.00249,0.498,0.996
1983,0.474,0.00209,0.498,1.01
1984,0.474,0.00232,0.5,1.03
1985,0.464,0.00227,0.499,1.04
1986,0.451,0.0021000000000000003,0.496,1.03
1987,0.378,0.0020800000000000003,0.497,0.993
1988,0.35,0.0022,0.499,0.983
1989,0.328,0.00237,0.5,0.982
1990,0.253,0.00242,0.504,1.02
1991,0.233,0.00233,0.5,0.995
1992,0.214,0.0022,0.499,1.05
1993,0.189,0.00209,0.491,0.92
1994,0.171,0.0022299999999999998,0.484,1.08
1995,0.161,0.00234,0.473,1.04
1996,0.148,0.00222,0.462,1.02
1997,0.14,0.0022,0.449,1.01
1998,0.131,0.0021000000000000003,0.434,0.957
1999,0.129,0.0020800000000000003,0.421,0.968
2000,0.124,0.00217,0.408,0.985
2001,0.112,0.00207,0.394,0.977
2002,0.091,0.00211,0.381,0.984
2003,0.0902,0.0020099999999999996,0.367,0.94
2004,0.0933,0.00215,0.353,0.993
2005,0.0964,0.00215,0.339,0.996
2006,0.0986,0.00218,0.324,0.986
2007,0.099,0.00204,0.31,1.01
2008,0.0963,0.00199,0.294,1.02
2009,0.09129999999999999,0.0020499999999999997,0.278,1.0
2010,0.09290000000000001,0.00216,0.263,1.03
2011,0.08059999999999999,0.00215,0.252,1.02
2012,0.08070000000000001,0.00185,0.241,0.993
2013,0.07709999999999999,0.00185,0.231,0.991
2014,0.0762,0.00172,0.221,0.977
2015,0.0736,0.0019399999999999999,0.212,0.955
2016,0.07379999999999999,0.00173,0.203,0.951
2017,0.07379999999999999,0.00171,0.194,0.94
2018,0.0702,0.0016200000000000001,0.186,0.937