year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0718,0.0051600000000000005,1.92e-05,0.000903
1851,0.0756,0.00543,2.02e-05,0.00095
1852,0.07970000000000001,0.005730000000000001,2.13e-05,0.001
1853,0.0841,0.00604,2.2499999999999998e-05,0.00106
1854,0.0887,0.00637,2.37e-05,0.00111
1855,0.09359999999999999,0.006719999999999999,2.5e-05,0.0011799999999999998
1856,0.0987,0.00709,2.64e-05,0.00124
1857,0.104,0.00747,2.7799999999999998e-05,0.00131
1858,0.109,0.00787,2.93e-05,0.00138
1859,0.115,0.00828,3.08e-05,0.00145
1860,0.121,0.0087,3.23e-05,0.00152
1861,0.127,0.00914,3.4e-05,0.0016
1862,0.133,0.00959,3.57e-05,0.0016799999999999999
1863,0.14,0.0101,3.75e-05,0.00176
1864,0.186,0.0134,4.98e-05,0.00234
1865,0.15,0.0108,4.02e-05,0.00189
1866,0.209,0.015,5.58e-05,0.00263
1867,0.227,0.016300000000000002,6.07e-05,0.0028599999999999997
1868,0.176,0.0126,4.7e-05,0.00221
1869,0.268,0.0192,7.149999999999999e-05,0.0033599999999999997
1870,0.158,0.011300000000000001,4.21e-05,0.00198
1871,0.198,0.014199999999999999,5.2900000000000005e-05,0.00249
1872,0.246,0.0177,6.560000000000001e-05,0.00309
1873,0.238,0.0171,6.37e-05,0.00299
1874,0.257,0.0184,6.86e-05,0.00323
1875,0.352,0.0253,9.4e-05,0.00442
1876,0.275,0.0198,7.35e-05,0.00346
1877,0.447,0.032100000000000004,0.00011999999999999999,0.00562
1878,0.326,0.0235,8.72e-05,0.0040999999999999995
1879,0.125,0.008960000000000001,3.33e-05,0.00157
1880,0.139,0.01,3.7199999999999996e-05,0.00175
1881,0.183,0.0132,4.9000000000000005e-05,0.0023
1882,0.154,0.0111,4.1099999999999996e-05,0.0019399999999999999
1883,0.161,0.0116,4.31e-05,0.0020299999999999997
1884,0.176,0.0126,4.7e-05,0.00221
1885,0.194,0.014,5.19e-05,0.00244
1886,0.136,0.00975,3.6200000000000006e-05,0.0017
1887,0.246,0.0177,6.560000000000001e-05,0.00309
1888,0.268,0.0192,7.149999999999999e-05,0.0033599999999999997
1889,0.403,0.029,0.000108,0.00507
1890,0.367,0.015099999999999999,9.800000000000001e-05,0.00461
1891,0.403,0.015099999999999999,0.000108,0.00507
1892,0.411,0.015099999999999999,0.00011,0.0051600000000000005
1893,0.425,0.0152,0.000114,0.00534
1894,0.392,0.0152,0.00010499999999999999,0.0049299999999999995
1895,0.374,0.0152,9.99e-05,0.0047
1896,0.444,0.0152,0.00011899999999999999,0.00557
1897,0.315,0.015300000000000001,8.43e-05,0.00396
1898,0.524,0.015300000000000001,0.00014000000000000001,0.0065899999999999995
1899,0.671,0.015300000000000001,0.000179,0.00843
1900,1.04,0.0154,0.000277,0.013
1901,0.95,0.0154,0.000254,0.0119
1902,1.05,0.0154,0.00028000000000000003,0.0132
1903,1.21,0.0155,0.000322,0.0152
1904,1.37,0.0155,0.000365,0.0172
1905,1.53,0.0156,0.00041,0.0193
1906,1.58,0.0156,0.000422,0.019899999999999998
1907,1.88,0.0156,0.000503,0.023600000000000003
1908,1.72,0.0157,0.00046,0.0217
1909,1.96,0.0157,0.000523,0.0246
1910,1.88,0.0158,0.000504,0.0237
1911,2.23,0.0158,0.000596,0.028
1912,2.0,0.0159,0.0005340000000000001,0.0251
1913,2.04,0.0159,0.000545,0.0256
1914,1.67,0.016,0.00044500000000000003,0.0209
1915,1.04,0.016,0.000277,0.013
1916,0.516,0.0161,0.00013700000000000002,0.00645
1917,0.396,0.0162,0.00010499999999999999,0.0049299999999999995
1918,0.463,0.016300000000000002,0.000122,0.0057599999999999995
1919,0.944,0.016399999999999998,0.000251,0.011800000000000001
1920,1.41,0.0165,0.000375,0.0176
1921,0.851,0.016800000000000002,0.000225,0.0106
1922,1.02,0.0175,0.00027,0.0127
1923,1.48,0.0184,0.00039400000000000004,0.0185
1924,2.46,0.019600000000000003,0.000655,0.0308
1925,2.38,0.0211,0.000633,0.0298
1926,3.02,0.022699999999999998,0.000804,0.0378
1927,3.3,0.0246,0.000877,0.0412
1928,3.12,0.055600000000000004,0.000828,0.0389
1929,3.54,0.0613,0.00094,0.0442
1930,3.97,0.0598,0.0010500000000000002,0.0496
1931,3.92,0.0839,0.0010400000000000001,0.0489
1932,3.98,0.09029999999999999,0.00106,0.0497
1933,4.63,0.097,0.00123,0.0579
1934,5.74,0.126,0.0015300000000000001,0.0718
1935,5.9,0.112,0.00157,0.07379999999999999
1936,5.83,0.12,0.00155,0.0729
1937,4.18,0.162,0.00111,0.0521
1938,4.54,0.193,0.0012,0.056600000000000004
1939,4.8,0.21,0.00127,0.0599
1940,5.38,0.206,0.0014299999999999998,0.06709999999999999
1941,5.53,0.219,0.00147,0.0689
1942,4.91,0.203,0.0012900000000000001,0.060899999999999996
1943,6.12,0.197,0.00161,0.07590000000000001
1944,7.0,0.274,0.00184,0.0865
1945,7.09,0.297,0.00186,0.0874
1946,7.04,0.34,0.00183,0.0863
1947,7.52,0.382,0.00195,0.09190000000000001
1948,7.78,0.409,0.0020099999999999996,0.0947
1949,8.07,0.456,0.0020800000000000003,0.0979
1950,9.62,0.502,0.00248,0.117
1951,10.4,0.545,0.00267,0.126
1952,10.7,0.629,0.0027400000000000002,0.129
1953,13.2,0.733,0.0034,0.16
1954,13.6,0.897,0.0035,0.164
1955,13.8,1.04,0.0035299999999999997,0.166
1956,14.5,1.21,0.0037099999999999998,0.175
1957,16.0,1.45,0.0040999999999999995,0.193
1958,16.0,1.69,0.00409,0.192
1959,17.1,1.91,0.00437,0.205
1960,16.6,2.17,0.00422,0.199
1961,17.3,2.29,0.00437,0.205
1962,21.5,2.57,0.00547,0.257
1963,22.4,2.9,0.0057,0.268
1964,26.1,3.17,0.00664,0.312
1965,27.0,3.53,0.00687,0.323
1966,31.0,3.99,0.00791,0.372
1967,33.0,4.38,0.00839,0.395
1968,35.7,4.84,0.00907,0.427
1969,37.9,5.6,0.0096,0.451
1970,40.5,5.64,0.0105,0.354
1971,45.1,6.09,0.011699999999999999,0.417
1972,50.8,6.68,0.013300000000000001,0.545
1973,56.5,6.91,0.0147,0.626
1974,58.4,6.86,0.015099999999999999,0.43
1975,62.2,7.58,0.0161,0.612
1976,69.1,8.27,0.0181,0.832
1977,77.8,9.11,0.02,0.775
1978,70.1,9.95,0.018600000000000002,0.797
1979,69.1,8.83,0.0184,1.01
1980,69.7,8.41,0.0185,0.911
1981,72.7,9.22,0.0193,0.736
1982,79.5,9.43,0.0211,0.808
1983,84.2,8.46,0.0224,0.861
1984,88.3,9.62,0.0235,0.795
1985,98.4,10.1,0.026199999999999998,0.772
1986,107.0,11.4,0.0286,0.803
1987,119.0,12.5,0.0318,0.927
1988,116.0,12.3,0.030699999999999998,0.817
1989,129.0,12.8,0.034,0.875
1990,138.0,13.9,0.027100000000000003,0.929
1991,138.0,15.3,0.027899999999999998,0.972
1992,141.0,17.0,0.0288,0.951
1993,145.0,16.7,0.0297,0.93
1994,144.0,17.2,0.030600000000000002,0.654
1995,158.0,17.5,0.028399999999999998,0.763
1996,172.0,18.2,0.031100000000000003,0.777
1997,183.0,18.7,0.045,0.891
1998,184.0,19.1,0.0282,1.08
1999,182.0,17.8,0.0259,1.2
2000,200.0,18.4,0.0259,1.03
2001,181.0,18.1,0.0261,0.949
2002,191.0,18.7,0.0282,1.05
2003,203.0,19.2,0.0335,1.22
2004,208.0,20.5,0.013300000000000001,1.21
2005,218.0,22.3,0.0242,1.21
2006,241.0,24.6,0.0327,1.17
2007,261.0,26.7,0.0335,1.15
2008,261.0,28.7,0.0318,1.11
2009,253.0,31.3,0.0259,2.02
2010,267.0,34.9,0.0178,2.05
2011,291.0,35.5,0.0162,1.98
2012,299.0,35.4,0.013900000000000001,1.99
2013,292.0,38.1,0.0072699999999999996,2.52
2014,313.0,38.2,0.000491,2.46
2015,318.0,37.9,0.000786,2.53
2016,335.0,40.8,0.000786,2.84
2017,371.0,42.6,0.000786,2.92
2018,366.0,44.1,0.000786,3.01