year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0324,0.00148,5.9499999999999996e-05,2.5999999999999997e-06
1851,0.0341,0.00156,6.26e-05,2.74e-06
1852,0.0359,0.00165,6.6e-05,2.8800000000000004e-06
1853,0.037899999999999996,0.00174,6.96e-05,3.04e-06
1854,0.0399,0.00183,7.35e-05,3.21e-06
1855,0.0421,0.0019299999999999999,7.75e-05,3.3800000000000002e-06
1856,0.0444,0.00204,8.17e-05,3.5699999999999997e-06
1857,0.046799999999999994,0.00215,8.609999999999999e-05,3.76e-06
1858,0.0493,0.00226,9.070000000000001e-05,3.96e-06
1859,0.0519,0.0023799999999999997,9.54e-05,4.17e-06
1860,0.0513,0.00235,9.429999999999999e-05,4.12e-06
1861,0.169,0.007730000000000001,0.00031,1.35e-05
1862,0.287,0.013099999999999999,0.000527,2.3e-05
1863,0.405,0.018600000000000002,0.000744,3.2500000000000004e-05
1864,0.523,0.024,0.0009609999999999999,4.2000000000000004e-05
1865,0.641,0.0294,0.0011799999999999998,5.14e-05
1866,0.759,0.0348,0.00139,6.09e-05
1867,0.876,0.0402,0.00161,7.03e-05
1868,0.994,0.0456,0.00183,7.98e-05
1869,1.11,0.051,0.00204,8.93e-05
1870,1.23,0.0564,0.00226,9.88e-05
1871,1.35,0.061799999999999994,0.00248,0.000108
1872,1.47,0.06720000000000001,0.00269,0.000118
1873,1.58,0.0726,0.0029100000000000003,0.000127
1874,1.7,0.078,0.00313,0.00013700000000000002
1875,1.82,0.0834,0.0033399999999999997,0.000146
1876,3.14,0.144,0.00578,0.000253
1877,3.3,0.152,0.00607,0.000265
1878,3.46,0.159,0.00637,0.00027800000000000004
1879,3.72,0.171,0.00684,0.000299
1880,3.94,0.181,0.00725,0.000317
1881,4.16,0.191,0.00766,0.00033400000000000004
1882,4.26,0.195,0.00783,0.000342
1883,4.55,0.209,0.00836,0.000365
1884,4.7,0.216,0.00864,0.000377
1885,4.93,0.226,0.00907,0.00039600000000000003
1886,5.19,0.238,0.009529999999999999,0.000416
1887,5.45,0.25,0.01,0.000437
1888,5.84,0.268,0.0107,0.00046899999999999996
1889,6.18,0.284,0.0114,0.000496
1890,6.61,0.279,0.012199999999999999,0.000531
1891,6.85,0.279,0.0126,0.00055
1892,6.96,0.279,0.0128,0.000559
1893,7.12,0.279,0.013099999999999999,0.000571
1894,7.3,0.279,0.0134,0.000585
1895,7.58,0.279,0.013900000000000001,0.000608
1896,7.77,0.28,0.0143,0.000623
1897,8.23,0.28,0.015099999999999999,0.0006590000000000001
1898,8.43,0.28,0.0154,0.000674
1899,8.66,0.281,0.0158,0.000691
1900,8.61,0.281,0.0157,0.0006860000000000001
1901,9.01,0.282,0.016399999999999998,0.000717
1902,9.16,0.282,0.0166,0.000726
1903,9.38,0.282,0.0169,0.00074
1904,9.53,0.283,0.0171,0.000747
1905,9.86,0.284,0.0176,0.000769
1906,10.3,0.284,0.0184,0.000803
1907,10.9,0.285,0.0193,0.000844
1908,11.1,0.286,0.0197,0.00086
1909,11.1,0.287,0.019600000000000003,0.000855
1910,11.0,0.287,0.019399999999999997,0.000846
1911,11.1,0.288,0.019600000000000003,0.000856
1912,11.8,0.289,0.0209,0.000911
1913,12.3,0.29,0.0218,0.000953
1914,11.2,0.291,0.019899999999999998,0.000869
1915,11.2,0.292,0.019899999999999998,0.000867
1916,11.8,0.293,0.0211,0.000923
1917,11.1,0.295,0.019899999999999998,0.000868
1918,9.5,0.296,0.0169,0.00074
1919,8.98,0.297,0.016,0.000699
1920,8.91,0.299,0.0159,0.0006929999999999999
1921,8.59,0.3,0.0152,0.000666
1922,7.75,0.302,0.0136,0.0005949999999999999
1923,8.25,0.304,0.0144,0.000628
1924,10.1,0.306,0.0177,0.000771
1925,9.67,0.308,0.0166,0.000726
1926,9.9,0.311,0.016800000000000002,0.000736
1927,10.7,0.313,0.0181,0.00079
1928,11.3,0.316,0.019,0.0008309999999999999
1929,12.6,0.492,0.0213,0.00093
1930,11.1,0.496,0.018600000000000002,0.000812
1931,10.5,0.499,0.0174,0.000758
1932,9.26,0.485,0.015099999999999999,0.00066
1933,8.58,0.455,0.013900000000000001,0.000605
1934,8.58,0.465,0.013800000000000002,0.0006039999999999999
1935,8.8,0.478,0.014199999999999999,0.000622
1936,9.47,0.496,0.0155,0.000675
1937,11.2,0.546,0.018699999999999998,0.0008169999999999999
1938,12.9,0.354,0.0217,0.000948
1939,14.0,0.401,0.0238,0.0010400000000000001
1940,15.6,0.399,0.0269,0.00117
1941,15.7,0.422,0.027,0.0011799999999999998
1942,16.9,0.44,0.0291,0.00127
1943,18.5,0.463,0.0322,0.0014
1944,17.7,0.513,0.030699999999999998,0.00134
1945,9.87,0.567,0.016300000000000002,0.000712
1946,11.9,0.624,0.0201,0.00088
1947,13.3,0.729,0.0228,0.000996
1948,14.3,0.801,0.0246,0.00108
1949,15.0,0.855,0.0259,0.00113
1950,15.6,0.918,0.0269,0.0011799999999999998
1951,16.5,1.01,0.0287,0.00125
1952,17.7,1.11,0.0308,0.00134
1953,18.5,1.22,0.0319,0.00139
1954,19.8,1.37,0.0341,0.00149
1955,20.7,1.54,0.0354,0.0015400000000000001
1956,22.3,1.72,0.038,0.00166
1957,23.7,1.94,0.0402,0.00175
1958,26.0,2.14,0.0442,0.0019299999999999999
1959,26.3,2.37,0.0445,0.0019399999999999999
1960,28.1,2.56,0.0475,0.00207
1961,30.5,2.73,0.0517,0.00226
1962,32.4,2.92,0.055,0.0024
1963,34.0,2.98,0.058,0.0025299999999999997
1964,35.5,3.17,0.0606,0.00265
1965,34.7,3.35,0.0591,0.0025800000000000003
1966,34.7,3.56,0.059,0.0025800000000000003
1967,35.0,3.76,0.0595,0.0026
1968,36.8,3.93,0.0625,0.00273
1969,39.4,4.14,0.06709999999999999,0.0029300000000000003
1970,44.3,4.13,0.06720000000000001,0.0033799999999999998
1971,46.8,4.08,0.06720000000000001,0.00357
1972,47.7,4.29,0.06720000000000001,0.000773
1973,48.1,4.2,0.06720000000000001,3.33e-05
1974,48.9,4.07,0.06720000000000001,0.00704
1975,51.4,4.12,0.06720000000000001,0.0189
1976,53.7,4.31,0.06720000000000001,0.000307
1977,56.2,4.27,0.06720000000000001,0.040600000000000004
1978,54.8,4.21,0.06720000000000001,0.0461
1979,53.9,4.34,0.06720000000000001,0.048299999999999996
1980,54.5,4.38,0.06720000000000001,0.07859999999999999
1981,53.4,4.29,0.06720000000000001,0.0733
1982,52.9,3.97,0.06720000000000001,0.045899999999999996
1983,52.8,3.88,0.06720000000000001,0.0416
1984,55.2,4.03,0.06720000000000001,0.0658
1985,54.6,3.99,0.06720000000000001,0.0368
1986,55.1,3.84,0.06720000000000001,0.0485
1987,54.9,3.93,0.06720000000000001,0.0412
1988,53.9,4.02,0.06720000000000001,0.0509
1989,52.9,4.17,0.06720000000000001,0.0586
1990,49.7,3.9,0.07590000000000001,0.039200000000000006
1991,46.7,3.05,0.076,0.0317
1992,43.2,2.98,0.0762,0.0295
1993,42.2,2.65,0.077,0.0195
1994,39.7,2.87,0.07590000000000001,0.0075899999999999995
1995,41.1,2.84,0.0755,0.00518
1996,40.7,2.87,0.0755,0.009779999999999999
1997,40.1,3.08,0.21,0.009980000000000001
1998,38.6,3.61,0.232,0.00942
1999,37.5,3.61,0.409,0.008369999999999999
2000,34.9,3.15,0.757,0.0101
2001,38.3,3.02,0.197,0.0111
2002,38.2,3.05,0.117,0.00936
2003,38.5,2.87,0.112,0.0158
2004,37.8,3.41,0.114,0.0143
2005,37.9,3.26,0.143,0.0136
2006,37.5,3.51,0.137,0.0156
2007,35.1,3.66,0.118,0.02
2008,36.1,3.64,0.09459999999999999,0.016300000000000002
2009,32.8,3.0,0.0536,0.0169
2010,35.2,3.37,0.124,0.0158
2011,33.1,3.7,0.0584,0.0252
2012,31.6,3.64,0.0867,0.022
2013,32.0,3.3,0.00942,0.022
2014,29.6,3.23,0.0103,0.022
2015,29.9,3.48,0.0103,0.027899999999999998
2016,30.3,3.36,0.0103,0.0183
2017,32.5,3.38,0.0103,0.0183
2018,32.1,3.38,0.0103,0.0183