year,IPC1,IPC2,IPC4,IPCMAG
1850,0.171,2.3199999999999998e-05,0.174,0.618
1851,0.171,2.65e-05,0.176,0.618
1852,0.172,2.99e-05,0.178,0.62
1853,0.174,3.33e-05,0.18,0.621
1854,0.177,3.68e-05,0.182,0.624
1855,0.18,4.0300000000000004e-05,0.185,0.627
1856,0.184,4.38e-05,0.187,0.631
1857,0.189,4.74e-05,0.189,0.636
1858,0.194,5.1e-05,0.191,0.641
1859,0.2,5.47e-05,0.193,0.646
1860,0.207,5.83e-05,0.195,0.653
1861,0.214,6.21e-05,0.197,0.66
1862,0.222,6.58e-05,0.199,0.667
1863,0.23,6.96e-05,0.201,0.675
1864,0.239,7.340000000000001e-05,0.203,0.684
1865,0.248,7.73e-05,0.205,0.693
1866,0.258,8.12e-05,0.207,0.702
1867,0.269,8.51e-05,0.209,0.712
1868,0.279,8.91e-05,0.211,0.723
1869,0.291,9.3e-05,0.213,0.734
1870,0.302,9.7e-05,0.215,0.745
1871,0.314,0.000101,0.218,0.757
1872,0.327,0.00010499999999999999,0.22,0.769
1873,0.34,0.00010899999999999999,0.223,0.781
1874,0.353,0.00011300000000000001,0.226,0.794
1875,0.366,0.00011700000000000001,0.229,0.807
1876,0.38,0.000122,0.232,0.821
1877,0.394,0.000126,0.235,0.835
1878,0.408,0.00013000000000000002,0.238,0.849
1879,0.423,0.000134,0.241,0.863
1880,0.438,0.00013900000000000002,0.244,0.878
1881,0.453,0.00014299999999999998,0.247,0.892
1882,0.468,0.000147,0.25,0.907
1883,0.484,0.00015099999999999998,0.253,0.922
1884,0.499,0.000156,0.257,0.938
1885,0.515,0.00016,0.26,0.953
1886,0.531,0.000164,0.263,0.969
1887,0.546,0.00016900000000000002,0.266,0.985
1888,0.562,0.00017299999999999998,0.269,1.0
1889,0.578,0.000178,0.272,1.02
1890,0.605,0.000277,0.277,0.862
1891,0.626,0.000297,0.281,0.982
1892,0.648,0.000321,0.285,1.09
1893,0.669,0.00034899999999999997,0.289,1.2
1894,0.691,0.000381,0.293,1.29
1895,0.713,0.000417,0.298,1.37
1896,0.736,0.000455,0.302,1.44
1897,0.758,0.000496,0.306,1.5
1898,0.78,0.000539,0.311,1.54
1899,0.803,0.000584,0.315,1.57
1900,0.825,0.000631,0.319,1.57
1901,0.849,0.0006850000000000001,0.324,1.56
1902,0.877,0.000752,0.328,1.54
1903,0.906,0.000828,0.333,1.5
1904,0.936,0.00091,0.337,1.46
1905,0.965,0.000994,0.341,1.41
1906,0.992,0.00108,0.346,1.36
1907,1.02,0.00116,0.35,1.31
1908,1.04,0.00123,0.355,1.28
1909,1.05,0.0012900000000000001,0.36,1.25
1910,1.06,0.00134,0.364,1.24
1911,1.06,0.00138,0.369,1.24
1912,1.06,0.00141,0.374,1.24
1913,1.05,0.0014399999999999999,0.379,1.25
1914,1.03,0.00147,0.384,1.26
1915,1.02,0.00149,0.39,1.26
1916,1.0,0.00152,0.395,1.27
1917,0.99,0.0015400000000000001,0.4,1.28
1918,0.98,0.00157,0.405,1.29
1919,0.974,0.0016,0.411,1.3
1920,0.975,0.00163,0.416,1.32
1921,0.984,0.0016699999999999998,0.421,1.33
1922,1.0,0.0017,0.427,1.35
1923,1.02,0.00174,0.432,1.37
1924,1.05,0.0017800000000000001,0.438,1.4
1925,1.07,0.00183,0.444,1.42
1926,1.1,0.0018700000000000001,0.449,1.45
1927,1.12,0.0019199999999999998,0.455,1.48
1928,1.14,0.00198,0.46,1.51
1929,1.16,0.00204,0.466,1.53
1930,1.16,0.0021000000000000003,0.472,1.56
1931,1.17,0.00218,0.477,1.58
1932,1.17,0.00227,0.482,1.61
1933,1.17,0.0023799999999999997,0.486,1.65
1934,1.17,0.00249,0.491,1.68
1935,1.17,0.00262,0.495,1.71
1936,1.17,0.00275,0.5,1.74
1937,1.17,0.00287,0.506,1.76
1938,1.17,0.003,0.512,1.78
1939,1.17,0.00312,0.519,1.8
1940,1.17,0.00323,0.527,1.8
1941,1.16,0.00333,0.54,1.8
1942,1.15,0.0034100000000000003,0.559,1.79
1943,1.14,0.00349,0.582,1.78
1944,1.11,0.00357,0.608,1.77
1945,1.09,0.00365,0.637,1.75
1946,1.07,0.00373,0.666,1.74
1947,1.05,0.00382,0.694,1.73
1948,1.03,0.00393,0.719,1.72
1949,1.02,0.00405,0.741,1.71
1950,1.02,0.00419,0.757,1.71
1951,1.02,0.00441,0.77,1.72
1952,1.02,0.00475,0.783,1.74
1953,1.03,0.00517,0.796,1.77
1954,1.04,0.0056500000000000005,0.808,1.81
1955,1.04,0.00614,0.819,1.85
1956,1.05,0.00662,0.829,1.89
1957,1.06,0.00705,0.837,1.93
1958,1.06,0.0074,0.844,1.96
1959,1.07,0.00764,0.848,1.98
1960,1.07,0.007719999999999999,0.849,1.99
1961,1.07,0.007719999999999999,0.849,2.02
1962,1.07,0.007719999999999999,0.849,2.08
1963,1.07,0.007719999999999999,0.849,2.04
1964,1.07,0.007719999999999999,0.849,2.02
1965,1.07,0.007719999999999999,0.849,2.04
1966,1.07,0.007719999999999999,0.849,2.06
1967,1.07,0.007719999999999999,0.849,2.12
1968,1.07,0.007719999999999999,0.849,2.16
1969,1.08,0.00756,0.847,2.13
1970,1.15,0.00713,0.831,2.14
1971,1.04,0.00671,0.886,2.16
1972,0.954,0.00718,0.895,2.16
1973,0.863,0.00719,0.905,2.23
1974,0.787,0.00688,0.913,2.3
1975,0.798,0.00605,0.909,2.33
1976,0.785,0.00609,0.917,2.33
1977,0.771,0.00542,0.927,2.31
1978,0.732,0.00524,0.929,2.31
1979,0.716,0.005690000000000001,0.933,2.33
1980,0.681,0.00484,0.933,2.32
1981,0.662,0.0045899999999999995,0.934,2.31
1982,0.627,0.00378,0.935,2.3
1983,0.613,0.00349,0.94,2.31
1984,0.607,0.0039700000000000004,0.946,2.31
1985,0.592,0.00313,0.94,2.25
1986,0.574,0.0028799999999999997,0.947,2.23
1987,0.555,0.0028599999999999997,0.94,2.13
1988,0.492,0.00312,0.93,2.05
1989,0.485,0.00312,0.928,2.04
1990,0.47,0.00302,0.919,2.04
1991,0.488,0.00296,0.874,1.98
1992,0.47,0.00299,0.912,1.94
1993,0.433,0.00285,0.876,1.91
1994,0.393,0.00299,0.847,1.91
1995,0.38,0.00302,0.839,1.91
1996,0.379,0.00298,0.822,1.91
1997,0.355,0.0030800000000000003,0.815,1.88
1998,0.346,0.00311,0.805,1.86
1999,0.334,0.00318,0.795,1.86
2000,0.325,0.00321,0.794,1.94
2001,0.324,0.00314,0.784,1.94
2002,0.312,0.00313,0.785,1.89
2003,0.322,0.00309,0.777,1.83
2004,0.324,0.00289,0.774,1.81
2005,0.318,0.0028,0.764,1.8
2006,0.307,0.0028799999999999997,0.749,1.79
2007,0.305,0.00285,0.742,1.81
2008,0.309,0.00242,0.738,1.82
2009,0.303,0.00231,0.711,1.79
2010,0.314,0.0025299999999999997,0.72,1.77
2011,0.293,0.0024100000000000002,0.71,1.73
2012,0.3,0.0023,0.703,1.72
2013,0.309,0.00277,0.687,1.73
2014,0.293,0.0023599999999999997,0.669,1.73
2015,0.299,0.0023599999999999997,0.662,1.74
2016,0.307,0.00233,0.653,1.73
2017,0.29,0.00217,0.659,1.7
2018,0.278,0.00214,0.647,1.67
