year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0325,0.00711,1.6900000000000001e-06,4.4e-06
1851,0.0342,0.0074800000000000005,1.77e-06,4.63e-06
1852,0.036,0.00789,1.8699999999999999e-06,4.88e-06
1853,0.038,0.008320000000000001,1.9699999999999998e-06,5.15e-06
1854,0.040100000000000004,0.00878,2.08e-06,5.43e-06
1855,0.0423,0.00926,2.2e-06,5.73e-06
1856,0.0446,0.00977,2.32e-06,6.040000000000001e-06
1857,0.047,0.0103,2.44e-06,6.37e-06
1858,0.0495,0.0108,2.57e-06,6.7e-06
1859,0.0521,0.0114,2.7e-06,7.05e-06
1860,0.0515,0.011300000000000001,2.6700000000000003e-06,6.969999999999999e-06
1861,0.169,0.037,8.779999999999999e-06,2.29e-05
1862,0.288,0.063,1.49e-05,3.89e-05
1863,0.406,0.0889,2.11e-05,5.5e-05
1864,0.525,0.115,2.7199999999999997e-05,7.099999999999999e-05
1865,0.643,0.141,3.34e-05,8.71e-05
1866,0.761,0.167,3.95e-05,0.000103
1867,0.879,0.192,4.5600000000000004e-05,0.00011899999999999999
1868,0.998,0.218,5.18e-05,0.000135
1869,1.12,0.244,5.79e-05,0.00015099999999999998
1870,1.23,0.27,6.41e-05,0.00016700000000000002
1871,1.35,0.296,7.02e-05,0.000183
1872,1.47,0.322,7.630000000000001e-05,0.000199
1873,1.59,0.348,8.25e-05,0.000215
1874,1.71,0.374,8.86e-05,0.000231
1875,1.83,0.4,9.48e-05,0.000247
1876,3.16,0.691,0.000164,0.00042699999999999997
1877,3.32,0.726,0.00017199999999999998,0.000449
1878,3.48,0.761,0.00017999999999999998,0.00047099999999999996
1879,3.74,0.818,0.000194,0.000506
1880,3.96,0.866,0.000205,0.000536
1881,4.18,0.915,0.000217,0.000566
1882,4.27,0.936,0.000222,0.000579
1883,4.57,0.999,0.000237,0.000618
1884,4.72,1.03,0.000245,0.000638
1885,4.95,1.08,0.000257,0.00067
1886,5.21,1.14,0.00027,0.000705
1887,5.47,1.2,0.00028399999999999996,0.00074
1888,5.86,1.28,0.000304,0.0007930000000000001
1889,6.2,1.36,0.000322,0.0008399999999999999
1890,6.64,1.33,0.00034399999999999996,0.000898
1891,6.88,1.33,0.000357,0.0009310000000000001
1892,6.98,1.34,0.00036199999999999996,0.000945
1893,7.14,1.34,0.00037,0.000966
1894,7.32,1.34,0.00038,0.000991
1895,7.6,1.34,0.00039400000000000004,0.00103
1896,7.78,1.34,0.000404,0.0010500000000000002
1897,8.24,1.34,0.00042699999999999997,0.0011200000000000001
1898,8.42,1.34,0.000437,0.00114
1899,8.64,1.34,0.000448,0.00117
1900,8.58,1.35,0.00044500000000000003,0.00116
1901,8.96,1.35,0.000465,0.00121
1902,9.09,1.35,0.00047099999999999996,0.00123
1903,9.26,1.35,0.00047999999999999996,0.00125
1904,9.35,1.36,0.00048499999999999997,0.00126
1905,9.63,1.36,0.000499,0.0013
1906,10.1,1.36,0.000521,0.00136
1907,10.6,1.37,0.0005480000000000001,0.0014299999999999998
1908,10.8,1.37,0.000558,0.00146
1909,10.7,1.37,0.000554,0.00145
1910,10.6,1.38,0.000549,0.0014299999999999998
1911,10.7,1.38,0.0005560000000000001,0.00145
1912,11.4,1.39,0.0005909999999999999,0.0015400000000000001
1913,11.9,1.39,0.000618,0.00161
1914,10.9,1.39,0.0005639999999999999,0.00147
1915,10.9,1.4,0.0005620000000000001,0.00147
1916,11.6,1.41,0.0005989999999999999,0.00156
1917,10.9,1.41,0.0005629999999999999,0.00147
1918,9.26,1.42,0.00047999999999999996,0.00125
1919,8.75,1.42,0.000453,0.0011799999999999998
1920,8.68,1.43,0.00045,0.00117
1921,8.34,1.44,0.000432,0.00113
1922,7.45,1.45,0.000386,0.00101
1923,7.87,1.46,0.000408,0.00106
1924,9.66,1.47,0.0005,0.0013
1925,9.1,1.48,0.00047099999999999996,0.00123
1926,9.23,1.49,0.000477,0.00125
1927,9.91,1.5,0.000512,0.00134
1928,10.4,1.51,0.000539,0.00141
1929,11.7,1.79,0.000603,0.00157
1930,10.2,1.8,0.000527,0.0013700000000000001
1931,9.52,1.82,0.000492,0.00128
1932,8.3,1.8,0.000428,0.0011200000000000001
1933,7.61,1.77,0.00039200000000000004,0.00102
1934,7.6,1.8,0.00039200000000000004,0.00102
1935,7.82,1.83,0.00040300000000000004,0.0010500000000000002
1936,8.49,1.87,0.000438,0.00114
1937,10.3,1.96,0.00053,0.00138
1938,11.9,1.87,0.000615,0.0016
1939,13.0,1.79,0.000674,0.00176
1940,14.7,1.81,0.000761,0.00198
1941,14.8,1.88,0.0007650000000000001,0.002
1942,16.0,1.95,0.000825,0.00215
1943,17.6,2.05,0.000911,0.0023799999999999997
1944,16.8,2.2,0.00087,0.00227
1945,8.95,2.36,0.000462,0.00121
1946,11.0,2.55,0.000571,0.00149
1947,12.5,2.82,0.000646,0.0016799999999999999
1948,13.5,3.05,0.0006969999999999999,0.00182
1949,14.2,3.26,0.000733,0.00191
1950,14.8,3.5,0.000763,0.00199
1951,15.7,3.82,0.0008129999999999999,0.00212
1952,16.8,4.23,0.0008719999999999999,0.00227
1953,17.5,4.73,0.0009040000000000001,0.0023599999999999997
1954,18.7,5.33,0.000966,0.00252
1955,19.4,6.01,0.001,0.00261
1956,20.8,6.72,0.00108,0.00281
1957,22.0,7.51,0.00114,0.00297
1958,24.2,8.29,0.00125,0.00327
1959,24.4,9.1,0.00126,0.00329
1960,26.0,9.83,0.00135,0.0035099999999999997
1961,28.3,10.5,0.00146,0.00382
1962,30.2,11.3,0.00156,0.004070000000000001
1963,31.8,11.8,0.00164,0.00429
1964,33.2,12.5,0.00172,0.0044800000000000005
1965,32.4,13.3,0.0016799999999999999,0.00437
1966,32.3,14.1,0.0016699999999999998,0.00436
1967,32.6,14.9,0.0016899999999999999,0.0044
1968,34.3,15.7,0.00177,0.00462
1969,36.8,16.6,0.0019,0.00496
1970,42.3,15.3,0.0019,0.005719999999999999
1971,44.8,14.5,0.0019,0.00605
1972,45.6,15.4,0.0019,0.00131
1973,46.3,14.6,0.0019,5.64e-05
1974,47.2,13.1,0.0019,0.0119
1975,49.7,12.9,0.0019,0.0319
1976,52.0,12.2,0.0019,0.0005200000000000001
1977,54.2,10.7,0.0019,0.0687
1978,54.5,9.87,0.0019,0.07790000000000001
1979,53.5,10.6,0.0019,0.08170000000000001
1980,54.7,9.05,0.0019,0.133
1981,53.5,8.84,0.0019,0.124
1982,53.1,7.24,0.0019,0.0777
1983,53.0,6.25,0.0019,0.0704
1984,55.3,7.43,0.0019,0.111
1985,54.6,7.44,0.0019,0.062200000000000005
1986,55.2,7.07,0.0019,0.08209999999999999
1987,55.0,7.22,0.0019,0.0698
1988,53.9,7.36,0.0019,0.0861
1989,52.8,8.3,0.0019,0.0992
1990,53.2,8.38,0.00215,0.0664
1991,46.8,6.54,0.0020499999999999997,0.0578
1992,42.7,6.28,0.00196,0.0493
1993,38.9,7.57,0.00186,0.040799999999999996
1994,36.5,7.36,0.00176,0.032299999999999995
1995,36.1,8.15,0.0016699999999999998,0.0852
1996,35.8,8.35,0.00157,0.0702
1997,35.7,8.46,0.00148,0.126
1998,35.1,8.78,0.00139,0.165
1999,34.5,8.65,0.00127,0.0942
2000,33.7,7.5,0.00116,0.0629
2001,35.8,7.48,0.00113,0.0935
2002,33.5,8.59,0.000991,0.0536
2003,34.4,8.02,0.000859,0.0502
2004,33.8,9.08,0.000745,0.039200000000000006
2005,34.3,8.55,0.000846,0.0335
2006,33.6,9.07,0.000541,0.030899999999999997
2007,32.0,9.04,0.000384,0.0348
2008,32.5,8.95,0.00047999999999999996,0.056600000000000004
2009,30.2,7.55,0.000489,0.049100000000000005
2010,30.5,7.94,0.000531,0.0471
2011,30.0,8.01,0.000516,0.0696
2012,28.0,8.0,0.00040500000000000003,0.0677
2013,27.7,7.8,0.000482,0.0756
2014,25.5,8.04,0.00045200000000000004,0.0815
2015,26.2,8.19,0.00043599999999999997,0.0854
2016,26.4,8.48,0.00036899999999999997,0.0834
2017,27.3,8.7,0.000536,0.0718
2018,27.3,8.71,0.00047299999999999995,0.07940000000000001