year,IPC1,IPC2,IPC4,IPCMAG
1850,0.43,3.2e-05,0.529,0.337
1851,0.431,3.66e-05,0.536,0.337
1852,0.434,4.13e-05,0.542,0.338
1853,0.439,4.6e-05,0.549,0.339
1854,0.446,5.07e-05,0.556,0.34
1855,0.454,5.5599999999999996e-05,0.562,0.342
1856,0.464,6.0400000000000004e-05,0.569,0.344
1857,0.476,6.54e-05,0.575,0.347
1858,0.49,7.04e-05,0.581,0.35
1859,0.505,7.539999999999999e-05,0.588,0.353
1860,0.521,8.05e-05,0.594,0.356
1861,0.54,8.56e-05,0.6,0.36
1862,0.559,9.080000000000001e-05,0.606,0.364
1863,0.58,9.6e-05,0.612,0.368
1864,0.602,0.000101,0.618,0.373
1865,0.626,0.000107,0.624,0.378
1866,0.651,0.000112,0.629,0.383
1867,0.677,0.00011700000000000001,0.635,0.389
1868,0.704,0.000123,0.642,0.394
1869,0.732,0.000128,0.648,0.4
1870,0.762,0.000134,0.655,0.406
1871,0.792,0.00013900000000000002,0.663,0.413
1872,0.823,0.000145,0.671,0.42
1873,0.855,0.00015099999999999998,0.679,0.426
1874,0.889,0.000156,0.688,0.433
1875,0.922,0.000162,0.698,0.44
1876,0.957,0.00016800000000000002,0.707,0.448
1877,0.993,0.000174,0.716,0.455
1878,1.03,0.000179,0.726,0.463
1879,1.07,0.000185,0.735,0.471
1880,1.1,0.000191,0.744,0.479
1881,1.14,0.00019700000000000002,0.754,0.487
1882,1.18,0.000203,0.763,0.495
1883,1.22,0.00020899999999999998,0.772,0.503
1884,1.26,0.000215,0.781,0.512
1885,1.3,0.000221,0.791,0.52
1886,1.34,0.00022700000000000002,0.8,0.529
1887,1.38,0.00023300000000000003,0.81,0.537
1888,1.42,0.00023899999999999998,0.819,0.546
1889,1.46,0.000245,0.829,0.555
1890,1.51,0.000382,0.842,0.469
1891,1.57,0.00041,0.855,0.536
1892,1.62,0.000443,0.868,0.598
1893,1.67,0.000482,0.881,0.655
1894,1.72,0.000526,0.894,0.706
1895,1.78,0.000575,0.907,0.752
1896,1.83,0.000628,0.92,0.79
1897,1.88,0.000684,0.933,0.821
1898,1.94,0.000743,0.946,0.844
1899,1.99,0.0008060000000000001,0.96,0.858
1900,2.04,0.00087,0.973,0.863
1901,2.1,0.000945,0.986,0.858
1902,2.16,0.0010400000000000001,1.0,0.844
1903,2.23,0.00114,1.01,0.824
1904,2.3,0.00125,1.03,0.799
1905,2.36,0.0013700000000000001,1.04,0.772
1906,2.43,0.00149,1.05,0.744
1907,2.48,0.0016,1.07,0.719
1908,2.53,0.0017,1.08,0.699
1909,2.56,0.0017800000000000001,1.1,0.685
1910,2.57,0.00185,1.11,0.68
1911,2.57,0.0019,1.12,0.68
1912,2.55,0.00195,1.14,0.682
1913,2.52,0.00199,1.16,0.685
1914,2.48,0.00202,1.17,0.688
1915,2.43,0.00206,1.19,0.693
1916,2.39,0.00209,1.2,0.698
1917,2.35,0.00213,1.22,0.704
1918,2.32,0.00216,1.23,0.71
1919,2.3,0.0022,1.25,0.716
1920,2.3,0.00225,1.27,0.723
1921,2.31,0.0023,1.28,0.73
1922,2.35,0.00235,1.3,0.74
1923,2.39,0.0024,1.32,0.752
1924,2.45,0.00246,1.33,0.765
1925,2.51,0.00252,1.35,0.779
1926,2.56,0.00259,1.37,0.794
1927,2.62,0.00265,1.39,0.809
1928,2.66,0.00273,1.4,0.824
1929,2.69,0.00281,1.42,0.838
1930,2.71,0.0029,1.44,0.852
1931,2.71,0.003,1.45,0.866
1932,2.71,0.00313,1.47,0.883
1933,2.72,0.00328,1.48,0.901
1934,2.72,0.00344,1.49,0.919
1935,2.72,0.00361,1.51,0.936
1936,2.72,0.00379,1.52,0.953
1937,2.72,0.0039700000000000004,1.54,0.967
1938,2.72,0.00414,1.56,0.978
1939,2.72,0.0043,1.58,0.985
1940,2.72,0.00445,1.61,0.988
1941,2.71,0.0045899999999999995,1.64,0.986
1942,2.69,0.00471,1.7,0.983
1943,2.65,0.0048200000000000005,1.77,0.977
1944,2.6,0.0049299999999999995,1.85,0.97
1945,2.55,0.005030000000000001,1.94,0.962
1946,2.5,0.00515,2.03,0.955
1947,2.45,0.00528,2.11,0.948
1948,2.41,0.00542,2.19,0.942
1949,2.39,0.0055899999999999995,2.26,0.938
1950,2.38,0.00578,2.31,0.937
1951,2.38,0.00608,2.35,0.941
1952,2.39,0.006549999999999999,2.39,0.953
1953,2.4,0.00714,2.42,0.971
1954,2.42,0.00779,2.46,0.992
1955,2.44,0.00848,2.5,1.02
1956,2.45,0.00914,2.53,1.04
1957,2.47,0.00973,2.55,1.06
1958,2.48,0.010199999999999999,2.57,1.08
1959,2.49,0.0105,2.58,1.09
1960,2.5,0.0107,2.59,1.09
1961,2.5,0.0107,2.59,1.18
1962,2.5,0.0107,2.59,1.13
1963,2.5,0.0107,2.59,1.11
1964,2.5,0.0107,2.59,1.11
1965,2.5,0.0107,2.59,1.14
1966,2.5,0.0107,2.59,1.15
1967,2.5,0.0107,2.59,1.15
1968,2.5,0.0107,2.59,1.13
1969,2.5,0.0107,2.59,1.14
1970,2.62,0.0104,2.43,1.15
1971,2.58,0.010199999999999999,2.66,1.17
1972,2.12,0.0112,2.67,1.21
1973,2.29,0.011800000000000001,2.68,1.28
1974,1.99,0.011300000000000001,2.68,1.32
1975,2.2,0.00954,2.68,1.28
1976,2.12,0.0108,2.69,1.24
1977,2.07,0.010199999999999999,2.7,1.17
1978,2.04,0.00999,2.69,1.17
1979,2.11,0.0109,2.7,1.17
1980,2.12,0.00949,2.69,1.16
1981,2.12,0.009880000000000002,2.7,1.15
1982,2.04,0.00931,2.7,1.16
1983,1.98,0.009460000000000001,2.7,1.17
1984,1.0,0.0099,2.7,1.18
1985,1.6,0.010199999999999999,2.7,1.16
1986,1.81,0.01,2.7,1.23
1987,1.71,0.0107,2.7,1.22
1988,1.69,0.0112,2.7,1.21
1989,1.56,0.011,2.7,1.22
1990,1.5,0.0116,2.59,1.22
1991,1.51,0.011300000000000001,2.62,1.21
1992,1.49,0.011800000000000001,2.62,1.21
1993,1.42,0.0112,2.65,1.2
1994,1.12,0.0116,2.67,1.21
1995,1.15,0.0096,2.71,1.19
1996,1.09,0.0107,2.72,1.21
1997,1.01,0.00936,2.72,1.2
1998,0.909,0.00737,2.67,1.2
1999,0.801,0.00645,2.57,1.2
2000,0.727,0.0059900000000000005,2.47,1.16
2001,0.675,0.00584,2.39,1.1
2002,0.645,0.006,2.34,1.08
2003,0.579,0.00674,2.19,1.08
2004,0.565,0.00619,2.02,1.09
2005,0.493,0.00533,1.92,1.08
2006,0.458,0.00535,1.79,1.06
2007,0.439,0.005849999999999999,1.66,1.05
2008,0.423,0.00456,1.49,1.02
2009,0.417,0.00491,1.32,1.01
2010,0.41,0.00507,1.14,1.02
2011,0.392,0.0045899999999999995,1.05,1.01
2012,0.394,0.004889999999999999,0.996,1.01
2013,0.349,0.0051600000000000005,0.879,1.01
2014,0.333,0.005019999999999999,0.792,1.03
2015,0.316,0.0033,0.774,1.03
2016,0.28,0.00366,0.747,1.03
2017,0.28,0.00322,0.759,1.04
2018,0.282,0.0024500000000000004,0.77,1.02