year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0035,0.000531,9.93e-09,6.63e-05
1851,0.00369,0.000559,1.05e-08,6.98e-05
1852,0.0038900000000000002,0.0005899999999999999,1.1e-08,7.36e-05
1853,0.0040999999999999995,0.000622,1.1600000000000001e-08,7.76e-05
1854,0.00433,0.000656,1.2300000000000001e-08,8.18e-05
1855,0.00456,0.0006919999999999999,1.29e-08,8.63e-05
1856,0.00481,0.00073,1.3600000000000001e-08,9.1e-05
1857,0.00507,0.000769,1.44e-08,9.59e-05
1858,0.00534,0.0008100000000000001,1.51e-08,0.000101
1859,0.00562,0.000852,1.59e-08,0.000106
1860,0.005900000000000001,0.0008950000000000001,1.67e-08,0.000112
1861,0.0062,0.00094,1.7600000000000002e-08,0.00011700000000000001
1862,0.00651,0.000988,1.85e-08,0.000123
1863,0.00684,0.0010400000000000001,1.9400000000000002e-08,0.000129
1864,0.00718,0.00109,2.04e-08,0.000136
1865,0.00753,0.00114,2.14e-08,0.00014299999999999998
1866,0.00791,0.0012,2.24e-08,0.00015
1867,0.008289999999999999,0.00126,2.35e-08,0.000157
1868,0.0087,0.00132,2.47e-08,0.000165
1869,0.00912,0.00138,2.59e-08,0.00017299999999999998
1870,0.00956,0.00145,2.71e-08,0.00018099999999999998
1871,0.01,0.00152,2.84e-08,0.00019
1872,0.0105,0.00159,2.98e-08,0.000199
1873,0.011,0.0016699999999999998,3.13e-08,0.00020899999999999998
1874,0.0116,0.00176,3.29e-08,0.000219
1875,0.012199999999999999,0.00184,3.45e-08,0.00023
1876,0.0128,0.0019399999999999999,3.62e-08,0.000241
1877,0.0134,0.0020299999999999997,3.79e-08,0.000253
1878,0.014,0.00212,3.9700000000000005e-08,0.000265
1879,0.0147,0.00222,4.16e-08,0.000277
1880,0.015300000000000001,0.00232,4.34e-08,0.00029
1881,0.016,0.00242,4.53e-08,0.00030199999999999997
1882,0.0167,0.0025299999999999997,4.73e-08,0.000315
1883,0.0174,0.00264,4.93e-08,0.00032900000000000003
1884,0.0181,0.00275,5.1400000000000004e-08,0.00034300000000000004
1885,0.0189,0.0028599999999999997,5.35e-08,0.000357
1886,0.0197,0.00298,5.5699999999999996e-08,0.000372
1887,0.0205,0.0031,5.8e-08,0.00038700000000000003
1888,0.0213,0.00323,6.04e-08,0.00040300000000000004
1889,0.0222,0.0033599999999999997,6.29e-08,0.00041999999999999996
1890,0.0242,0.00331,6.87e-08,0.00045900000000000004
1891,0.0251,0.00331,7.12e-08,0.000475
1892,0.0261,0.00331,7.389999999999999e-08,0.000493
1893,0.027100000000000003,0.00331,7.68e-08,0.000513
1894,0.0282,0.00331,7.990000000000001e-08,0.000533
1895,0.0293,0.00331,8.32e-08,0.000555
1896,0.0305,0.00331,8.660000000000001e-08,0.000578
1897,0.0318,0.00331,9.02e-08,0.000602
1898,0.033100000000000004,0.00331,9.39e-08,0.000627
1899,0.0345,0.00331,9.78e-08,0.000652
1900,0.0359,0.00331,1.02e-07,0.000679
1901,0.037399999999999996,0.00331,1.06e-07,0.000708
1902,0.039200000000000006,0.00331,1.11e-07,0.000742
1903,0.041100000000000005,0.00331,1.17e-07,0.000778
1904,0.0432,0.00332,1.22e-07,0.0008169999999999999
1905,0.0453,0.00332,1.2799999999999998e-07,0.000856
1906,0.047299999999999995,0.00332,1.34e-07,0.0008950000000000001
1907,0.0493,0.00332,1.3999999999999998e-07,0.0009320000000000001
1908,0.0511,0.00333,1.45e-07,0.000966
1909,0.0526,0.00333,1.49e-07,0.000996
1910,0.053899999999999997,0.00333,1.53e-07,0.00102
1911,0.011,0.0034100000000000003,3.12e-08,0.000208
1912,0.0843,0.00363,2.39e-07,0.0016
1913,0.040299999999999996,0.0039700000000000004,1.14e-07,0.000763
1914,0.308,0.00441,8.729999999999999e-07,0.00583
1915,0.0917,0.0049299999999999995,2.6e-07,0.00173
1916,0.18,0.00552,5.09e-07,0.0034
1917,0.422,0.0061600000000000005,1.2e-06,0.007980000000000001
1918,0.865,0.0068200000000000005,2.45e-06,0.016399999999999998
1919,0.689,0.0075,1.95e-06,0.013
1920,0.455,0.00818,1.29e-06,0.0086
1921,0.561,0.00889,1.59e-06,0.0106
1922,0.532,0.00968,1.5100000000000002e-06,0.0101
1923,0.469,0.0106,1.33e-06,0.00888
1924,0.499,0.0115,1.41e-06,0.00943
1925,0.554,0.0125,1.57e-06,0.0105
1926,0.532,0.0136,1.5100000000000002e-06,0.0101
1927,0.568,0.075,1.61e-06,0.0108
1928,0.821,0.0597,2.33e-06,0.0155
1929,0.836,0.105,2.37e-06,0.0158
1930,0.876,0.168,2.49e-06,0.0166
1931,0.887,0.14,2.52e-06,0.016800000000000002
1932,0.832,0.142,2.3600000000000003e-06,0.0157
1933,0.73,0.165,2.0699999999999997e-06,0.013800000000000002
1934,0.678,0.17,1.9200000000000003e-06,0.0128
1935,0.557,0.216,1.5800000000000001e-06,0.0105
1936,0.561,0.196,1.59e-06,0.0106
1937,0.524,0.195,1.49e-06,0.00992
1938,0.693,0.219,1.9699999999999998e-06,0.013099999999999999
1939,2.05,0.222,5.7999999999999995e-06,0.038700000000000005
1940,2.85,0.218,8.09e-06,0.054
1941,3.75,0.252,1.06e-05,0.0709
1942,3.63,0.257,1.03e-05,0.0687
1943,3.95,0.217,1.12e-05,0.0746
1944,4.15,0.276,1.18e-05,0.07859999999999999
1945,4.14,0.289,1.17e-05,0.07840000000000001
1946,3.93,0.375,1.12e-05,0.07440000000000001
1947,4.1,0.415,1.1599999999999999e-05,0.0775
1948,5.78,0.483,1.6400000000000002e-05,0.109
1949,7.03,0.556,1.9900000000000003e-05,0.133
1950,9.74,0.632,2.76e-05,0.184
1951,10.0,0.697,2.8400000000000003e-05,0.189
1952,10.4,0.616,2.96e-05,0.197
1953,10.2,0.7,2.91e-05,0.194
1954,11.0,0.831,3.12e-05,0.208
1955,9.97,0.858,2.83e-05,0.189
1956,9.28,0.863,2.63e-05,0.176
1957,11.2,0.931,3.18e-05,0.212
1958,12.9,0.971,3.6700000000000004e-05,0.245
1959,11.8,1.12,3.36e-05,0.224
1960,15.0,1.26,4.26e-05,0.284
1961,16.1,1.29,4.55e-05,0.304
1962,17.5,1.39,4.96e-05,0.331
1963,20.3,1.55,5.76e-05,0.384
1964,24.3,1.58,6.88e-05,0.459
1965,26.5,1.55,7.5e-05,0.5
1966,25.4,1.58,7.19e-05,0.48
1967,18.3,1.76,5.19e-05,0.346
1968,21.4,1.99,6.05e-05,0.404
1969,17.9,2.25,4.68e-05,0.312
1970,19.9,2.34,7.159999999999999e-05,0.528
1971,21.1,2.45,7.159999999999999e-05,0.519
1972,23.6,2.5,7.39e-05,0.56
1973,22.0,2.17,7.620000000000001e-05,0.514
1974,24.5,2.13,7.85e-05,0.536
1975,29.4,2.42,8.1e-05,0.468
1976,32.9,2.56,8.36e-05,0.566
1977,36.3,2.56,8.58e-05,0.576
1978,37.9,2.59,8.790000000000001e-05,0.662
1979,41.5,2.61,9.01e-05,0.809
1980,43.8,2.97,9.23e-05,0.857
1981,49.3,3.47,9.470000000000001e-05,0.768
1982,54.5,4.1,9.719999999999999e-05,0.737
1983,54.4,4.76,9.98e-05,0.741
1984,60.7,5.35,0.000102,0.765
1985,61.1,4.97,0.00010499999999999999,0.725
1986,70.8,5.88,0.000108,1.21
1987,70.6,6.71,0.000111,1.16
1988,69.8,7.31,0.000114,1.19
1989,66.2,8.47,0.00011700000000000001,1.17
1990,69.0,9.26,0.00011899999999999999,1.21
1991,70.6,10.8,0.000122,1.25
1992,72.9,11.3,0.000124,0.959
1993,85.3,10.8,0.000126,1.15
1994,77.5,11.1,0.000128,1.01
1995,87.0,12.0,0.00013000000000000002,1.51
1996,92.9,12.6,0.000132,1.28
1997,98.5,13.0,0.000135,1.29
1998,112.0,13.8,0.00013700000000000002,1.34
1999,114.0,15.5,0.00014000000000000001,1.17
2000,129.0,16.1,0.000147,1.41
2001,113.0,17.5,0.000182,1.48
2002,113.0,18.7,0.000217,1.4
2003,135.0,17.8,0.000252,1.28
2004,137.0,18.6,0.000287,1.55
2005,151.0,20.2,0.000321,1.51
2006,161.0,22.0,0.000328,1.65
2007,169.0,23.2,0.000333,1.63
2008,179.0,22.9,0.000339,1.75
2009,183.0,25.7,0.000345,1.88
2010,181.0,27.6,0.000352,2.6
2011,196.0,28.4,0.000359,2.84
2012,190.0,31.9,0.000367,3.06
2013,188.0,28.9,0.000375,3.08
2014,177.0,27.5,0.000383,3.17
2015,181.0,26.9,0.00039,3.41
2016,189.0,29.1,0.000398,3.6
2017,191.0,27.9,0.000406,3.75
2018,193.0,30.7,0.000414,3.91