year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00536,0.00039,3.49e-05,1.35e-05
1851,0.0054800000000000005,0.000398,3.57e-05,1.38e-05
1852,0.005900000000000001,0.000429,3.84e-05,1.48e-05
1853,0.0069299999999999995,0.000504,4.51e-05,1.74e-05
1854,0.00799,0.0005809999999999999,5.2e-05,2.01e-05
1855,0.00904,0.0006580000000000001,5.89e-05,2.2700000000000003e-05
1856,0.009470000000000001,0.0006889999999999999,6.17e-05,2.3800000000000003e-05
1857,0.009640000000000001,0.0007009999999999999,6.28e-05,2.42e-05
1858,0.009460000000000001,0.0006879999999999999,6.16e-05,2.3800000000000003e-05
1859,0.00957,0.000696,6.23e-05,2.4e-05
1860,0.0104,0.000758,6.79e-05,2.62e-05
1861,0.011300000000000001,0.00082,7.35e-05,2.83e-05
1862,0.0119,0.000865,7.75e-05,2.99e-05
1863,0.0121,0.000879,7.87e-05,3.03e-05
1864,0.0128,0.0009310000000000001,8.340000000000001e-05,3.22e-05
1865,0.0135,0.00098,8.78e-05,3.39e-05
1866,0.0146,0.00106,9.54e-05,3.68e-05
1867,0.0148,0.00108,9.669999999999999e-05,3.73e-05
1868,0.0152,0.0011,9.89e-05,3.8100000000000005e-05
1869,0.0156,0.00113,0.000101,3.91e-05
1870,0.013800000000000002,0.001,8.999999999999999e-05,3.47e-05
1871,0.013699999999999999,0.000999,8.95e-05,3.4500000000000005e-05
1872,0.0167,0.00121,0.00010899999999999999,4.18e-05
1873,0.018,0.00131,0.00011700000000000001,4.5199999999999994e-05
1874,0.0171,0.00125,0.000112,4.2999999999999995e-05
1875,0.0178,0.0013,0.000116,4.48e-05
1876,0.0179,0.0013,0.000116,4.49e-05
1877,0.0175,0.00127,0.000114,4.39e-05
1878,0.0178,0.0013,0.000116,4.48e-05
1879,0.0185,0.00134,0.00011999999999999999,4.6399999999999996e-05
1880,0.0208,0.00151,0.000136,5.23e-05
1881,0.0213,0.00155,0.00013900000000000002,5.36e-05
1882,0.0225,0.00164,0.000147,5.6500000000000005e-05
1883,0.023600000000000003,0.00172,0.000154,5.93e-05
1884,0.022699999999999998,0.00165,0.000148,5.69e-05
1885,0.0218,0.00158,0.00014199999999999998,5.47e-05
1886,0.0216,0.00157,0.00014099999999999998,5.43e-05
1887,0.0228,0.00166,0.000148,5.72e-05
1888,0.0237,0.00172,0.000154,5.9499999999999996e-05
1889,0.024300000000000002,0.00177,0.000158,6.1e-05
1890,0.026699999999999998,0.0017900000000000001,0.000174,6.72e-05
1891,0.0268,0.0017900000000000001,0.000175,6.73e-05
1892,0.0268,0.0018,0.000175,6.74e-05
1893,0.0263,0.0018,0.00017199999999999998,6.62e-05
1894,0.027899999999999998,0.00181,0.00018099999999999998,7.000000000000001e-05
1895,0.0281,0.00182,0.000183,7.06e-05
1896,0.0291,0.00182,0.000189,7.3e-05
1897,0.0304,0.00183,0.00019800000000000002,7.64e-05
1898,0.0315,0.00184,0.000205,7.9e-05
1899,0.0329,0.00185,0.000214,8.26e-05
1900,0.0353,0.00185,0.00023,8.88e-05
1901,0.0342,0.00186,0.000223,8.58e-05
1902,0.0322,0.0018700000000000001,0.00020999999999999998,8.08e-05
1903,0.0354,0.00188,0.00023,8.88e-05
1904,0.0345,0.0019,0.000224,8.649999999999999e-05
1905,0.0348,0.00191,0.00022700000000000002,8.75e-05
1906,0.037399999999999996,0.0019199999999999998,0.000243,9.379999999999999e-05
1907,0.039799999999999995,0.0019399999999999999,0.000259,0.0001
1908,0.040100000000000004,0.00195,0.000261,0.000101
1909,0.041100000000000005,0.00197,0.00026700000000000004,0.000103
1910,0.0412,0.00198,0.000268,0.000103
1911,0.0429,0.002,0.000279,0.000108
1912,0.0434,0.00202,0.00028199999999999997,0.00010899999999999999
1913,0.046799999999999994,0.00204,0.000305,0.000118
1914,0.0324,0.00206,0.000211,8.13e-05
1915,0.0282,0.0020800000000000003,0.000184,7.09e-05
1916,0.03,0.00211,0.000195,7.53e-05
1917,0.033299999999999996,0.00214,0.000217,8.350000000000001e-05
1918,0.0297,0.00217,0.000193,7.45e-05
1919,0.0318,0.00221,0.000207,7.98e-05
1920,0.0415,0.00225,0.00027,0.000104
1921,0.037700000000000004,0.00231,0.000246,9.470000000000001e-05
1922,0.0446,0.0024100000000000002,0.00029099999999999997,0.000112
1923,0.0504,0.00254,0.000328,0.000126
1924,0.0565,0.00269,0.000368,0.00014199999999999998
1925,0.0585,0.0028599999999999997,0.000381,0.000147
1926,0.0585,0.00304,0.000381,0.000147
1927,0.0583,0.00322,0.000379,0.000146
1928,0.0573,0.0034,0.000373,0.00014399999999999998
1929,0.0633,0.00357,0.000412,0.00015900000000000002
1930,0.0643,0.00372,0.000419,0.000162
1931,0.0588,0.0038599999999999997,0.000383,0.000148
1932,0.0518,0.00401,0.000337,0.00013000000000000002
1933,0.053899999999999997,0.00415,0.00035099999999999997,0.000135
1934,0.0545,0.0043,0.000354,0.00013700000000000002
1935,0.052899999999999996,0.00444,0.00034399999999999996,0.000133
1936,0.0536,0.00458,0.00034899999999999997,0.000134
1937,0.0591,0.004719999999999999,0.000384,0.000148
1938,0.055299999999999995,0.004860000000000001,0.000359,0.00013900000000000002
1939,0.053399999999999996,0.0049900000000000005,0.000347,0.000134
1940,0.037899999999999996,0.00512,0.000245,9.460000000000001e-05
1941,0.032600000000000004,0.00523,0.000211,8.12e-05
1942,0.0334,0.00533,0.000216,8.33e-05
1943,0.0341,0.00543,0.00022,8.5e-05
1944,0.022,0.00551,0.00014099999999999998,5.4399999999999994e-05
1945,0.0294,0.0056,0.000189,7.31e-05
1946,0.0453,0.0057,0.000292,0.00011300000000000001
1947,0.0501,0.005809999999999999,0.000324,0.000125
1948,0.053399999999999996,0.0059299999999999995,0.000345,0.000133
1949,0.062200000000000005,0.00608,0.000402,0.000155
1950,0.054799999999999995,0.00626,0.000354,0.000136
1951,0.062,0.00652,0.0004,0.000154
1952,0.0616,0.00692,0.000397,0.000153
1953,0.0583,0.0074199999999999995,0.000374,0.00014399999999999998
1954,0.0616,0.008029999999999999,0.000395,0.000152
1955,0.06509999999999999,0.0087,0.000416,0.000161
1956,0.0733,0.009439999999999999,0.00046800000000000005,0.00018099999999999998
1957,0.07579999999999999,0.010199999999999999,0.000483,0.000186
1958,0.0727,0.011,0.000462,0.000178
1959,0.0716,0.011800000000000001,0.00045400000000000003,0.000175
1960,0.0741,0.0126,0.00047,0.00018099999999999998
1961,0.0767,0.0135,0.00048699999999999997,0.000188
1962,0.0814,0.0144,0.000517,0.000199
1963,0.09090000000000001,0.0154,0.000578,0.000223
1964,0.0935,0.0165,0.0005949999999999999,0.00023
1965,0.0953,0.0176,0.000606,0.00023400000000000002
1966,0.09390000000000001,0.018699999999999998,0.000597,0.00023
1967,0.101,0.0198,0.00064,0.000247
1968,0.104,0.0209,0.000662,0.000255
1969,0.111,0.0218,0.0007109999999999999,0.00027400000000000005
1970,0.119,0.0202,0.0006889999999999999,0.00029299999999999997
1971,0.123,0.019899999999999998,0.0006810000000000001,0.000303
1972,0.128,0.0209,0.0006760000000000001,0.000319
1973,0.138,0.0215,0.0006760000000000001,0.00033400000000000004
1974,0.134,0.0218,0.000687,0.00034300000000000004
1975,0.119,0.019600000000000003,0.000683,0.00035999999999999997
1976,0.135,0.0209,0.000684,0.000379
1977,0.128,0.0207,0.000678,0.00039
1978,0.134,0.0205,0.000678,0.00040899999999999997
1979,0.141,0.0209,0.000683,0.000442
1980,0.136,0.0202,0.000684,0.000451
1981,0.123,0.019600000000000003,0.000687,0.00048699999999999997
1982,0.119,0.0181,0.00069,0.000506
1983,0.115,0.0178,0.0006979999999999999,0.000524
1984,0.11,0.0185,0.000699,0.000524
1985,0.109,0.0179,0.0006979999999999999,0.0005629999999999999
1986,0.104,0.0175,0.000694,0.000606
1987,0.102,0.0181,0.0006889999999999999,0.000605
1988,0.1,0.0183,0.0006760000000000001,0.000614
1989,0.105,0.0181,0.000674,0.000625
1990,0.0993,0.0181,0.000721,0.000631
1991,0.0969,0.0177,0.000743,0.000633
1992,0.0987,0.0176,0.0007930000000000001,0.000629
1993,0.102,0.016800000000000002,0.0007920000000000001,0.000633
1994,0.0973,0.017,0.0008810000000000001,0.000621
1995,0.0965,0.017,0.000886,0.000608
1996,0.102,0.017,0.000891,0.00063
1997,0.0959,0.0175,0.000837,0.000624
1998,0.097,0.0178,0.000879,0.0006360000000000001
1999,0.096,0.0177,0.0008990000000000001,0.0006490000000000001
2000,0.093,0.0181,0.0009459999999999999,0.000629
2001,0.0963,0.0177,0.000988,0.000643
2002,0.09670000000000001,0.0174,0.0010500000000000002,0.000637
2003,0.0932,0.0174,0.0010500000000000002,0.0006450000000000001
2004,0.0887,0.0173,0.00106,0.000646
2005,0.0869,0.0172,0.00108,0.000662
2006,0.0805,0.0172,0.00108,0.000655
2007,0.08070000000000001,0.0176,0.00109,0.0006680000000000001
2008,0.0813,0.0159,0.00111,0.0006720000000000001
2009,0.07759999999999999,0.0174,0.000995,0.000665
2010,0.075,0.0188,0.0011,0.0007099999999999999
2011,0.0732,0.0188,0.0011799999999999998,0.000657
2012,0.076,0.0175,0.00127,0.000696
2013,0.07640000000000001,0.016800000000000002,0.00113,0.000708
2014,0.0713,0.0152,0.00117,0.000752
2015,0.0737,0.0154,0.00121,0.000967
2016,0.07429999999999999,0.0156,0.00123,0.00102
2017,0.076,0.0165,0.00126,0.00107
2018,0.0745,0.0165,0.00128,0.0011200000000000001