year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0515,0.0051600000000000005,0.000254,1.3e-05
1851,0.061200000000000004,0.00613,0.000301,1.55e-05
1852,0.0741,0.0074199999999999995,0.000365,1.87e-05
1853,0.0902,0.00903,0.000444,2.2800000000000002e-05
1854,0.109,0.011,0.000539,2.77e-05
1855,0.132,0.0132,0.00065,3.34e-05
1856,0.158,0.0158,0.000777,3.99e-05
1857,0.19,0.019,0.0009350000000000001,4.8e-05
1858,0.232,0.0232,0.00114,5.86e-05
1859,0.277,0.0277,0.00136,7.000000000000001e-05
1860,0.335,0.033600000000000005,0.00165,8.47e-05
1861,0.403,0.040299999999999996,0.00198,0.000102
1862,0.493,0.0494,0.0024300000000000003,0.000125
1863,0.615,0.0616,0.0030299999999999997,0.000156
1864,0.741,0.0742,0.00365,0.000187
1865,0.895,0.0897,0.00441,0.00022600000000000002
1866,1.09,0.109,0.00537,0.00027600000000000004
1867,1.4,0.14,0.006900000000000001,0.000354
1868,0.831,0.0832,0.00409,0.00020999999999999998
1869,0.602,0.0603,0.00296,0.000152
1870,1.08,0.108,0.00529,0.000272
1871,1.56,0.156,0.007690000000000001,0.000395
1872,1.62,0.162,0.00797,0.00041
1873,1.41,0.142,0.00696,0.000357
1874,1.42,0.143,0.00701,0.00035999999999999997
1875,1.65,0.165,0.0081,0.000416
1876,1.63,0.163,0.00802,0.000412
1877,1.78,0.178,0.00875,0.000449
1878,1.7,0.17,0.008369999999999999,0.00043
1879,1.92,0.192,0.00943,0.000484
1880,4.6,0.461,0.022600000000000002,0.00116
1881,4.91,0.492,0.0242,0.00124
1882,5.82,0.583,0.0286,0.00147
1883,6.53,0.654,0.032100000000000004,0.00165
1884,7.56,0.757,0.037200000000000004,0.00191
1885,7.25,0.726,0.0357,0.00183
1886,7.73,0.775,0.0381,0.00195
1887,8.92,0.894,0.0439,0.00226
1888,11.7,1.17,0.0576,0.00296
1889,9.92,0.994,0.048799999999999996,0.0025099999999999996
1890,10.9,1.18,0.053700000000000005,0.00276
1891,12.3,1.21,0.0603,0.0031
1892,12.2,1.24,0.0601,0.00309
1893,13.1,1.28,0.0643,0.0033
1894,12.5,1.33,0.061399999999999996,0.00315
1895,11.9,1.38,0.0585,0.0030099999999999997
1896,12.9,1.43,0.0634,0.00326
1897,13.0,1.48,0.064,0.00329
1898,13.8,1.54,0.068,0.00349
1899,16.8,1.61,0.0829,0.00426
1900,18.1,1.67,0.0892,0.00458
1901,21.0,1.74,0.103,0.0053
1902,22.5,1.81,0.111,0.0057
1903,24.6,1.89,0.121,0.00621
1904,29.1,1.98,0.143,0.00735
1905,31.1,2.07,0.153,0.00786
1906,32.9,2.17,0.162,0.00831
1907,41.3,2.28,0.203,0.0104
1908,41.7,2.4,0.205,0.0105
1909,39.9,2.52,0.196,0.0101
1910,45.4,2.64,0.223,0.0115
1911,53.0,2.78,0.261,0.0134
1912,59.1,2.93,0.291,0.0149
1913,69.7,3.09,0.343,0.0176
1914,60.1,3.27,0.296,0.0152
1915,53.7,3.45,0.264,0.0136
1916,67.2,3.65,0.331,0.017
1917,74.9,3.87,0.369,0.0189
1918,78.7,4.1,0.387,0.019899999999999998
1919,66.9,4.34,0.329,0.0169
1920,74.1,4.59,0.365,0.018699999999999998
1921,70.7,4.91,0.348,0.0179
1922,60.8,5.33,0.299,0.0154
1923,81.7,5.81,0.402,0.0207
1924,68.0,6.33,0.335,0.0172
1925,66.1,6.86,0.326,0.0167
1926,74.5,7.36,0.367,0.0188
1927,80.8,7.8,0.398,0.020399999999999998
1928,81.6,9.42,0.402,0.0206
1929,86.2,9.8,0.424,0.0218
1930,82.1,9.83,0.404,0.0208
1931,66.0,9.52,0.325,0.0167
1932,61.4,8.54,0.302,0.0155
1933,60.9,7.77,0.3,0.0154
1934,70.0,7.28,0.345,0.0177
1935,69.0,6.61,0.34,0.0174
1936,75.4,6.11,0.371,0.019100000000000002
1937,81.7,5.63,0.402,0.0207
1938,74.8,5.05,0.368,0.0189
1939,83.1,4.73,0.409,0.021
1940,95.0,4.81,0.467,0.024
1941,105.0,5.05,0.517,0.026600000000000002
1942,115.0,5.53,0.564,0.029
1943,121.0,5.92,0.595,0.030600000000000002
1944,123.0,6.67,0.605,0.031100000000000003
1945,114.0,7.72,0.562,0.0289
1946,121.0,9.05,0.595,0.030600000000000002
1947,125.0,10.1,0.617,0.0317
1948,138.0,11.4,0.681,0.035
1949,126.0,12.5,0.622,0.0319
1950,134.0,13.5,0.661,0.034
1951,142.0,14.3,0.698,0.0359
1952,139.0,15.4,0.683,0.0351
1953,142.0,16.6,0.682,0.035
1954,142.0,17.5,0.697,0.0358
1955,150.0,18.7,0.716,0.0368
1956,170.0,20.0,0.797,0.0409
1957,165.0,21.6,0.761,0.0391
1958,164.0,22.5,0.758,0.0389
1959,165.0,23.5,0.772,0.039700000000000006
1960,172.0,24.0,0.809,0.0415
1961,175.0,25.1,0.81,0.0416
1962,187.0,26.2,0.862,0.0443
1963,190.0,26.9,0.879,0.045200000000000004
1964,213.0,28.1,0.994,0.0511
1965,226.0,29.0,1.06,0.054200000000000005
1966,232.0,30.1,1.09,0.0557
1967,252.0,30.3,1.18,0.060899999999999996
1968,271.0,31.4,1.28,0.06559999999999999
1969,275.0,32.8,1.29,0.0664
1970,306.0,32.0,1.23,0.252
1971,315.0,31.9,1.24,0.253
1972,339.0,33.4,1.24,0.272
1973,339.0,34.9,1.24,0.316
1974,345.0,33.5,1.25,0.328
1975,350.0,31.6,1.25,0.375
1976,352.0,30.9,1.26,0.43
1977,359.0,32.8,1.26,0.518
1978,366.0,33.6,1.26,0.57
1979,389.0,35.1,1.27,0.681
1980,392.0,33.0,1.27,0.726
1981,380.0,32.4,1.27,0.751
1982,367.0,28.3,1.28,0.867
1983,362.0,29.2,1.28,1.03
1984,378.0,32.1,1.29,1.17
1985,375.0,32.8,1.29,1.2
1986,360.0,31.5,1.3,1.16
1987,381.0,34.5,1.31,1.15
1988,404.0,34.6,1.33,1.2
1989,409.0,35.9,1.36,1.23
1990,428.0,33.5,0.208,1.19
1991,418.0,34.6,0.221,1.13
1992,432.0,34.3,0.238,1.2
1993,431.0,36.0,0.25,1.19
1994,445.0,36.6,0.278,1.38
1995,456.0,37.6,0.31,1.5
1996,471.0,39.1,0.279,1.48
1997,484.0,39.9,0.255,1.6
1998,492.0,40.2,0.29,1.66
1999,508.0,41.2,0.266,1.54
2000,530.0,40.7,0.312,1.64
2001,525.0,39.6,0.331,1.4
2002,529.0,41.0,0.34,1.52
2003,543.0,43.1,0.274,1.58
2004,540.0,45.0,0.3,1.48
2005,534.0,41.9,0.286,1.42
2006,526.0,44.2,0.269,1.47
2007,551.0,43.2,0.247,1.74
2008,533.0,41.8,0.267,1.72
2009,505.0,36.2,0.24,1.84
2010,515.0,40.0,0.243,1.79
2011,522.0,42.9,0.227,2.0
2012,522.0,46.5,0.155,2.33
2013,531.0,43.2,0.16,2.68
2014,533.0,40.8,0.189,2.5
2015,534.0,40.3,0.213,2.57
2016,521.0,41.2,0.207,2.54
2017,531.0,39.9,0.207,2.51
2018,543.0,41.1,0.207,2.61