year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0364,7.8e-06,0.037700000000000004,0.331
1851,0.0365,8.920000000000001e-06,0.0381,0.331
1852,0.0368,1.01e-05,0.0386,0.332
1853,0.037200000000000004,1.12e-05,0.0391,0.333
1854,0.037700000000000004,1.24e-05,0.0396,0.334
1855,0.0384,1.35e-05,0.04,0.336
1856,0.039299999999999995,1.47e-05,0.0405,0.338
1857,0.040299999999999996,1.59e-05,0.0409,0.34
1858,0.0414,1.7100000000000002e-05,0.0414,0.343
1859,0.0427,1.84e-05,0.0419,0.346
1860,0.0441,1.96e-05,0.0423,0.35
1861,0.045700000000000005,2.09e-05,0.0427,0.353
1862,0.047299999999999995,2.2100000000000002e-05,0.0432,0.357
1863,0.049100000000000005,2.34e-05,0.0436,0.362
1864,0.051,2.47e-05,0.044,0.366
1865,0.053,2.6e-05,0.0444,0.371
1866,0.0551,2.7300000000000003e-05,0.0448,0.376
1867,0.0573,2.86e-05,0.045200000000000004,0.382
1868,0.0596,2.99e-05,0.045700000000000005,0.387
1869,0.062,3.13e-05,0.046200000000000005,0.393
1870,0.0644,3.26e-05,0.046700000000000005,0.399
1871,0.067,3.4e-05,0.047200000000000006,0.405
1872,0.0697,3.54e-05,0.047799999999999995,0.412
1873,0.0724,3.6700000000000004e-05,0.0484,0.418
1874,0.0752,3.8100000000000005e-05,0.049,0.425
1875,0.07809999999999999,3.95e-05,0.0497,0.432
1876,0.081,4.09e-05,0.0503,0.44
1877,0.084,4.23e-05,0.051,0.447
1878,0.087,4.3700000000000005e-05,0.0517,0.455
1879,0.0902,4.5199999999999994e-05,0.0523,0.462
1880,0.0933,4.66e-05,0.053,0.47
1881,0.0965,4.8e-05,0.053700000000000005,0.478
1882,0.0998,4.9500000000000004e-05,0.054299999999999994,0.486
1883,0.103,5.0900000000000004e-05,0.055,0.494
1884,0.106,5.24e-05,0.055600000000000004,0.502
1885,0.11,5.38e-05,0.056299999999999996,0.511
1886,0.113,5.53e-05,0.057,0.519
1887,0.116,5.6800000000000005e-05,0.0576,0.527
1888,0.12,5.83e-05,0.0583,0.536
1889,0.123,5.97e-05,0.059,0.544
1890,0.154,9.32e-05,0.0635,0.549
1891,0.158,9.99e-05,0.0655,0.557
1892,0.164,0.000108,0.0677,0.565
1893,0.171,0.000118,0.0701,0.572
1894,0.179,0.000128,0.0725,0.58
1895,0.189,0.00014000000000000001,0.0751,0.587
1896,0.199,0.000153,0.0777,0.595
1897,0.211,0.00016700000000000002,0.0805,0.602
1898,0.223,0.00018099999999999998,0.0834,0.61
1899,0.236,0.00019700000000000002,0.0863,0.617
1900,0.249,0.000212,0.08929999999999999,0.624
1901,0.265,0.000231,0.0925,0.631
1902,0.284,0.000253,0.0958,0.638
1903,0.307,0.000279,0.0993,0.644
1904,0.332,0.000306,0.103,0.651
1905,0.358,0.00033400000000000004,0.107,0.657
1906,0.384,0.000363,0.111,0.664
1907,0.41,0.000389,0.115,0.67
1908,0.434,0.000414,0.119,0.677
1909,0.455,0.000435,0.123,0.684
1910,0.473,0.000451,0.127,0.691
1911,0.488,0.000464,0.131,0.699
1912,0.504,0.000475,0.136,0.708
1913,0.519,0.000484,0.14,0.716
1914,0.534,0.000493,0.145,0.725
1915,0.548,0.000501,0.149,0.734
1916,0.56,0.000509,0.154,0.743
1917,0.572,0.000517,0.159,0.752
1918,0.581,0.000526,0.164,0.761
1919,0.589,0.000536,0.169,0.77
1920,0.594,0.0005470000000000001,0.174,0.778
1921,0.598,0.000559,0.18,0.786
1922,0.601,0.0005719999999999999,0.185,0.794
1923,0.603,0.0005859999999999999,0.191,0.802
1924,0.605,0.0006,0.198,0.81
1925,0.606,0.000615,0.204,0.818
1926,0.607,0.000631,0.21,0.826
1927,0.608,0.0006490000000000001,0.216,0.834
1928,0.608,0.0006670000000000001,0.222,0.841
1929,0.609,0.0006879999999999999,0.228,0.849
1930,0.609,0.000709,0.233,0.857
1931,0.609,0.000735,0.238,0.865
1932,0.611,0.000767,0.243,0.873
1933,0.614,0.000803,0.247,0.881
1934,0.618,0.000842,0.251,0.889
1935,0.622,0.000884,0.255,0.897
1936,0.628,0.0009270000000000001,0.259,0.905
1937,0.633,0.0009699999999999999,0.263,0.913
1938,0.639,0.00101,0.268,0.921
1939,0.646,0.0010500000000000002,0.273,0.93
1940,0.652,0.00109,0.279,0.938
1941,0.663,0.0011200000000000001,0.286,0.946
1942,0.684,0.00115,0.295,0.955
1943,0.711,0.0011799999999999998,0.304,0.964
1944,0.744,0.0012,0.314,0.972
1945,0.778,0.00123,0.325,0.981
1946,0.814,0.00126,0.336,0.99
1947,0.847,0.0012900000000000001,0.348,0.999
1948,0.876,0.00132,0.361,1.01
1949,0.899,0.00136,0.374,1.02
1950,0.913,0.00141,0.388,1.02
1951,0.919,0.00147,0.402,1.03
1952,0.921,0.00156,0.419,1.04
1953,0.919,0.00166,0.436,1.05
1954,0.916,0.0017800000000000001,0.455,1.06
1955,0.913,0.00191,0.475,1.07
1956,0.912,0.00204,0.495,1.08
1957,0.914,0.00218,0.515,1.09
1958,0.921,0.00232,0.535,1.1
1959,0.936,0.00246,0.554,1.1
1960,0.959,0.00259,0.572,1.11
1961,1.0,0.00273,0.591,1.11
1962,1.07,0.0029,0.609,1.12
1963,1.17,0.00307,0.627,1.13
1964,1.28,0.00326,0.645,1.16
1965,1.41,0.0034300000000000003,0.664,1.18
1966,1.54,0.0036,0.681,1.14
1967,1.67,0.0037400000000000003,0.699,1.13
1968,1.8,0.0038599999999999997,0.716,1.13
1969,1.92,0.00393,0.732,1.1
1970,1.84,0.00364,0.692,1.12
1971,1.77,0.0037,0.748,1.12
1972,1.77,0.00432,0.76,1.13
1973,1.77,0.00471,0.772,1.15
1974,1.6,0.0045899999999999995,0.784,1.17
1975,1.39,0.00364,0.775,1.2
1976,1.32,0.0044,0.793,1.18
1977,1.29,0.00438,0.803,1.14
1978,1.33,0.00464,0.812,1.09
1979,1.42,0.00523,0.822,1.07
1980,1.44,0.0016699999999999998,0.832,1.1
1981,1.37,0.00209,0.823,1.1
1982,1.36,0.00453,0.806,1.1
1983,1.39,0.0048,0.808,1.08
1984,1.69,0.0054,0.806,1.06
1985,1.84,0.004860000000000001,0.799,1.04
1986,1.81,0.00445,0.799,0.999
1987,1.81,0.005,0.801,0.969
1988,1.97,0.00623,0.801,0.984
1989,1.86,0.00611,0.801,0.995
1990,1.81,0.0058,0.8,0.999
1991,1.86,0.0054,0.804,1.02
1992,1.99,0.00498,0.804,1.07
1993,2.09,0.00487,0.812,1.09
1994,2.19,0.0049299999999999995,0.821,1.13
1995,2.3,0.00517,0.812,1.19
1996,2.43,0.00541,0.807,1.21
1997,2.49,0.00515,0.682,1.21
1998,2.53,0.00501,0.666,1.22
1999,2.5,0.00556,0.726,1.23
2000,2.48,0.005900000000000001,0.744,1.25
2001,2.39,0.00575,0.716,1.29
2002,2.29,0.005809999999999999,0.74,1.3
2003,2.21,0.00552,0.739,1.31
2004,2.17,0.0063,0.751,1.36
2005,2.08,0.0056,0.754,1.39
2006,2.07,0.00541,0.756,1.35
2007,2.06,0.00557,0.751,1.31
2008,2.03,0.00531,0.709,1.27
2009,1.88,0.00474,0.669,1.2
2010,1.86,0.004860000000000001,0.645,1.16
2011,1.88,0.00498,0.646,1.13
2012,1.97,0.00514,0.652,1.13
2013,2.02,0.00549,0.66,1.13
2014,2.11,0.00563,0.659,1.12
2015,2.03,0.00537,0.676,1.11
2016,1.9,0.00555,0.676,1.12
2017,1.87,0.005889999999999999,0.675,1.12
2018,1.87,0.00598,0.664,1.12