year,IPC1,IPC2,IPC4,IPCMAG
1850,0.42,3.35e-05,0.334,0.467
1851,0.421,3.83e-05,0.339,0.467
1852,0.423,4.32e-05,0.343,0.468
1853,0.428,4.82e-05,0.347,0.47
1854,0.435,5.31e-05,0.351,0.472
1855,0.443,5.82e-05,0.355,0.474
1856,0.453,6.33e-05,0.36,0.477
1857,0.464,6.850000000000001e-05,0.364,0.48
1858,0.477,7.37e-05,0.368,0.484
1859,0.492,7.9e-05,0.372,0.489
1860,0.508,8.43e-05,0.376,0.493
1861,0.526,8.97e-05,0.38,0.499
1862,0.545,9.510000000000001e-05,0.383,0.504
1863,0.565,0.000101,0.387,0.51
1864,0.587,0.000106,0.391,0.517
1865,0.61,0.000112,0.394,0.524
1866,0.634,0.00011700000000000001,0.398,0.531
1867,0.66,0.000123,0.402,0.538
1868,0.686,0.000129,0.406,0.546
1869,0.714,0.000134,0.41,0.554
1870,0.742,0.00014000000000000001,0.414,0.563
1871,0.772,0.000146,0.419,0.572
1872,0.802,0.000152,0.424,0.581
1873,0.834,0.000158,0.43,0.59
1874,0.866,0.000164,0.435,0.6
1875,0.899,0.00017,0.441,0.61
1876,0.933,0.000176,0.447,0.62
1877,0.968,0.000182,0.453,0.631
1878,1.0,0.000188,0.459,0.641
1879,1.04,0.000194,0.465,0.652
1880,1.08,0.0002,0.471,0.663
1881,1.11,0.000206,0.477,0.674
1882,1.15,0.000213,0.482,0.686
1883,1.19,0.000219,0.488,0.697
1884,1.23,0.000225,0.494,0.709
1885,1.26,0.000231,0.5,0.72
1886,1.3,0.00023799999999999998,0.506,0.732
1887,1.34,0.000244,0.512,0.744
1888,1.38,0.00025,0.518,0.756
1889,1.42,0.000257,0.524,0.768
1890,1.47,0.0004,0.533,0.649
1891,1.53,0.000429,0.541,0.742
1892,1.58,0.000464,0.549,0.829
1893,1.63,0.000505,0.557,0.91
1894,1.68,0.0005510000000000001,0.565,0.982
1895,1.73,0.000602,0.574,1.05
1896,1.78,0.000657,0.582,1.1
1897,1.83,0.000716,0.59,1.14
1898,1.88,0.0007790000000000001,0.599,1.18
1899,1.93,0.000844,0.607,1.2
1900,1.98,0.000911,0.615,1.2
1901,2.04,0.00099,0.624,1.2
1902,2.1,0.00109,0.632,1.18
1903,2.16,0.0012,0.641,1.15
1904,2.23,0.00131,0.649,1.11
1905,2.29,0.0014399999999999999,0.658,1.07
1906,2.35,0.00156,0.666,1.04
1907,2.4,0.0016699999999999998,0.675,1.0
1908,2.44,0.0017800000000000001,0.684,0.973
1909,2.47,0.0018700000000000001,0.693,0.954
1910,2.49,0.0019399999999999999,0.702,0.947
1911,2.48,0.00199,0.711,0.948
1912,2.46,0.00204,0.721,0.95
1913,2.43,0.0020800000000000003,0.731,0.954
1914,2.39,0.00212,0.74,0.96
1915,2.34,0.00216,0.75,0.966
1916,2.3,0.00219,0.76,0.974
1917,2.26,0.0022299999999999998,0.771,0.982
1918,2.22,0.00226,0.781,0.99
1919,2.2,0.00231,0.791,0.999
1920,2.2,0.00235,0.801,1.01
1921,2.21,0.0024100000000000002,0.812,1.02
1922,2.25,0.00246,0.822,1.03
1923,2.29,0.00252,0.833,1.05
1924,2.34,0.0025800000000000003,0.844,1.07
1925,2.39,0.00264,0.854,1.08
1926,2.45,0.00271,0.865,1.1
1927,2.5,0.00278,0.876,1.12
1928,2.54,0.0028599999999999997,0.887,1.14
1929,2.57,0.00294,0.898,1.16
1930,2.59,0.00304,0.909,1.18
1931,2.59,0.00315,0.919,1.2
1932,2.59,0.00328,0.928,1.23
1933,2.6,0.00344,0.937,1.25
1934,2.6,0.0036,0.945,1.28
1935,2.6,0.00378,0.954,1.3
1936,2.6,0.0039700000000000004,0.964,1.33
1937,2.6,0.00415,0.974,1.35
1938,2.6,0.00433,0.986,1.36
1939,2.6,0.00451,1.0,1.37
1940,2.6,0.00467,1.02,1.38
1941,2.59,0.00481,1.04,1.38
1942,2.57,0.0049299999999999995,1.08,1.37
1943,2.53,0.00505,1.12,1.36
1944,2.49,0.0051600000000000005,1.17,1.35
1945,2.44,0.0052699999999999995,1.23,1.34
1946,2.39,0.00539,1.28,1.33
1947,2.34,0.00553,1.34,1.32
1948,2.31,0.005679999999999999,1.39,1.31
1949,2.28,0.005849999999999999,1.43,1.31
1950,2.27,0.00605,1.46,1.31
1951,2.27,0.00637,1.48,1.31
1952,2.28,0.006860000000000001,1.51,1.33
1953,2.3,0.00747,1.53,1.35
1954,2.31,0.00816,1.56,1.38
1955,2.33,0.00888,1.58,1.42
1956,2.35,0.00957,1.6,1.45
1957,2.36,0.010199999999999999,1.61,1.48
1958,2.37,0.0107,1.63,1.5
1959,2.38,0.011,1.63,1.52
1960,2.39,0.0112,1.64,1.53
1961,2.39,0.0112,1.64,1.52
1962,2.39,0.0112,1.64,1.54
1963,2.39,0.0112,1.64,1.53
1964,2.39,0.0112,1.64,1.52
1965,2.39,0.0112,1.64,1.53
1966,2.39,0.0112,1.64,1.57
1967,2.39,0.0112,1.64,1.59
1968,2.39,0.0112,1.64,1.6
1969,2.39,0.0112,1.64,1.61
1970,2.48,0.0103,1.55,1.61
1971,2.43,0.0104,1.65,1.6
1972,2.3,0.0115,1.65,1.58
1973,2.25,0.0128,1.65,1.6
1974,2.24,0.014,1.65,1.64
1975,2.19,0.0104,1.63,1.64
1976,2.16,0.0128,1.64,1.64
1977,2.1,0.0119,1.64,1.64
1978,2.08,0.012,1.64,1.67
1979,2.16,0.013,1.64,1.69
1980,2.18,0.0121,1.63,1.69
1981,2.15,0.011300000000000001,1.61,1.71
1982,2.09,0.0108,1.59,1.72
1983,1.91,0.011300000000000001,1.57,1.72
1984,1.82,0.0116,1.57,1.75
1985,1.88,0.0116,1.55,1.75
1986,1.83,0.0119,1.55,1.75
1987,1.71,0.0125,1.54,1.71
1988,1.64,0.0127,1.54,1.67
1989,1.64,0.013,1.52,1.65
1990,1.62,0.0141,1.47,1.74
1991,1.52,0.013800000000000002,1.53,1.54
1992,1.38,0.0148,1.56,1.5
1993,1.42,0.016300000000000002,1.56,1.49
1994,1.28,0.0178,1.53,1.5
1995,1.22,0.018,1.49,1.49
1996,1.18,0.0174,1.43,1.51
1997,1.15,0.0183,1.32,1.46
1998,1.04,0.0192,1.23,1.46
1999,1.08,0.0208,1.17,1.45
2000,1.0,0.022600000000000002,1.1,1.42
2001,0.906,0.0222,1.04,1.44
2002,0.855,0.0208,0.982,1.38
2003,0.791,0.023100000000000002,0.922,1.36
2004,0.682,0.023,0.87,1.33
2005,0.612,0.0238,0.812,1.33
2006,0.551,0.0232,0.748,1.3
2007,0.516,0.0232,0.695,1.31
2008,0.514,0.0218,0.646,1.32
2009,0.461,0.0205,0.597,1.33
2010,0.472,0.0213,0.552,1.32
2011,0.47,0.0212,0.52,1.31
2012,0.524,0.0205,0.489,1.32
2013,0.508,0.020300000000000002,0.459,1.34
2014,0.471,0.0211,0.434,1.35
2015,0.486,0.0212,0.413,1.35
2016,0.467,0.0214,0.395,1.34
2017,0.468,0.0217,0.374,1.33
2018,0.43,0.0205,0.354,1.3