year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0155,0.0,2.96e-07,1.46e-05
1851,0.0188,0.0,3.5899999999999997e-07,1.77e-05
1852,0.0247,0.0,4.72e-07,2.33e-05
1853,0.032100000000000004,0.0,6.13e-07,3.0200000000000002e-05
1854,0.0399,0.0,7.62e-07,3.76e-05
1855,0.047,0.0,8.97e-07,4.4200000000000004e-05
1856,0.053700000000000005,0.0,1.02e-06,5.05e-05
1857,0.060399999999999995,0.0,1.15e-06,5.6800000000000005e-05
1858,0.066,0.0,1.26e-06,6.21e-05
1859,0.07,0.0,1.34e-06,6.59e-05
1860,0.0917,0.0,1.75e-06,8.63e-05
1861,0.117,0.0,2.2399999999999997e-06,0.00011
1862,0.105,0.0,2.0100000000000002e-06,9.900000000000001e-05
1863,0.11,0.0,2.09e-06,0.000103
1864,0.123,0.0,2.34e-06,0.000115
1865,0.117,0.0,2.2300000000000002e-06,0.00011
1866,0.374,0.0,7.13e-06,0.000352
1867,0.428,0.0,8.16e-06,0.00040300000000000004
1868,0.353,0.0,6.73e-06,0.000332
1869,0.481,0.0,9.18e-06,0.000453
1870,0.522,0.0,9.97e-06,0.000492
1871,0.709,0.0,1.35e-05,0.0006670000000000001
1872,0.727,0.0,1.3899999999999999e-05,0.000684
1873,0.675,0.0,1.29e-05,0.000635
1874,0.815,0.0,1.56e-05,0.000768
1875,0.929,0.0,1.77e-05,0.000875
1876,1.14,0.0,2.18e-05,0.00107
1877,1.14,0.0,2.18e-05,0.00108
1878,1.5,0.0,2.87e-05,0.00141
1879,1.52,0.0,2.91e-05,0.0014299999999999998
1880,1.79,0.0,3.4200000000000005e-05,0.0016899999999999999
1881,1.85,0.0,3.52e-05,0.00174
1882,1.94,0.0,3.7e-05,0.00182
1883,2.21,0.0,4.22e-05,0.0020800000000000003
1884,2.16,0.0,4.12e-05,0.0020299999999999997
1885,2.29,0.0,4.38e-05,0.00216
1886,2.35,0.0,4.48e-05,0.00221
1887,2.4,0.0,4.5900000000000004e-05,0.00226
1888,2.49,0.0,4.75e-05,0.00234
1889,2.73,0.0,5.21e-05,0.00257
1890,3.04,0.0,5.8099999999999996e-05,0.00287
1891,3.27,0.0,6.24e-05,0.0030800000000000003
1892,3.48,0.0,6.64e-05,0.00327
1893,4.07,0.0,7.76e-05,0.00383
1894,4.25,0.0,8.1e-05,0.004
1895,4.68,0.0,8.93e-05,0.0044
1896,4.79,0.0,9.15e-05,0.00451
1897,5.56,0.0,0.000106,0.00524
1898,6.23,0.0,0.00011899999999999999,0.005860000000000001
1899,7.37,0.0,0.00014099999999999998,0.00694
1900,8.29,0.0,0.000158,0.0078
1901,8.32,0.0,0.00015900000000000002,0.00783
1902,8.08,0.0,0.000154,0.0076100000000000004
1903,8.06,0.0,0.000154,0.0075899999999999995
1904,9.11,0.0,0.000174,0.00857
1905,8.44,0.0,0.000161,0.00795
1906,9.63,0.0,0.000184,0.00907
1907,10.9,0.0,0.000208,0.0103
1908,11.0,0.0,0.00020999999999999998,0.0103
1909,11.6,0.0,0.000221,0.0109
1910,11.2,0.0,0.000214,0.0106
1911,11.8,0.00131,0.00022600000000000002,0.0111
1912,13.6,0.005019999999999999,0.00026000000000000003,0.0128
1913,15.0,0.0108,0.00028599999999999996,0.0141
1914,13.3,0.0185,0.000254,0.0125
1915,11.9,0.027600000000000003,0.00022700000000000002,0.0112
1916,12.6,0.037899999999999996,0.000241,0.0119
1917,11.7,0.0492,0.000223,0.011
1918,4.62,0.061,8.82e-05,0.00435
1919,3.66,0.0731,6.99e-05,0.0034500000000000004
1920,3.37,0.0852,6.44e-05,0.00317
1921,3.75,0.09820000000000001,7.159999999999999e-05,0.0035299999999999997
1922,4.57,0.113,8.72e-05,0.0043
1923,5.03,0.13,9.6e-05,0.00474
1924,6.16,0.148,0.000118,0.0058
1925,5.97,0.168,0.000114,0.00562
1926,8.98,0.189,0.00017199999999999998,0.00846
1927,11.2,0.278,0.000215,0.0106
1928,12.6,0.297,0.000241,0.0119
1929,13.3,0.337,0.000253,0.0125
1930,17.0,0.387,0.000324,0.016
1931,20.4,0.423,0.000389,0.0192
1932,23.8,0.458,0.000455,0.0225
1933,27.2,0.471,0.0005200000000000001,0.0256
1934,33.2,0.535,0.000635,0.0313
1935,38.0,0.605,0.000726,0.0358
1936,43.8,0.691,0.000837,0.041299999999999996
1937,44.7,0.725,0.000853,0.0421
1938,47.2,0.78,0.000901,0.0444
1939,47.8,0.827,0.0009130000000000001,0.045
1940,58.4,0.87,0.0011200000000000001,0.055
1941,50.7,0.915,0.000969,0.047799999999999995
1942,33.3,0.927,0.000635,0.0313
1943,45.1,0.937,0.000862,0.0425
1944,39.7,0.949,0.000758,0.037399999999999996
1945,45.7,0.964,0.000873,0.043
1946,51.2,1.06,0.000977,0.0482
1947,61.5,1.16,0.00117,0.0579
1948,65.0,1.29,0.00124,0.061200000000000004
1949,73.8,1.41,0.00141,0.0695
1950,81.9,1.58,0.00156,0.0772
1951,88.8,1.79,0.0017,0.0836
1952,94.6,2.1,0.00181,0.089
1953,99.5,2.5,0.0019,0.0937
1954,108.0,3.0,0.00207,0.102
1955,122.0,3.58,0.00233,0.115
1956,133.0,4.16,0.0025299999999999997,0.125
1957,143.0,4.82,0.00273,0.135
1958,150.0,5.5,0.0028599999999999997,0.141
1959,155.0,6.21,0.00296,0.146
1960,158.0,6.93,0.0030099999999999997,0.149
1961,158.0,7.62,0.00302,0.149
1962,161.0,8.38,0.0030800000000000003,0.152
1963,170.0,9.08,0.0032400000000000003,0.16
1964,177.0,9.82,0.0033799999999999998,0.167
1965,185.0,10.7,0.0035299999999999997,0.174
1966,193.0,11.6,0.00368,0.182
1967,198.0,12.3,0.00378,0.187
1968,200.0,13.1,0.00382,0.188
1969,206.0,13.8,0.00393,0.194
1970,219.0,12.0,0.00419,0.196
1971,227.0,11.7,0.00434,0.222
1972,237.0,12.8,0.00453,0.24
1973,244.0,14.5,0.00466,0.267
1974,250.0,14.1,0.0047599999999999995,0.286
1975,260.0,12.5,0.00496,0.314
1976,267.0,13.0,0.0050999999999999995,0.31
1977,274.0,13.2,0.00523,0.322
1978,279.0,12.4,0.00533,0.327
1979,281.0,12.8,0.00536,0.319
1980,293.0,11.8,0.0055899999999999995,0.353
1981,277.0,11.2,0.00529,0.359
1982,281.0,8.79,0.00536,0.387
1983,285.0,8.47,0.00537,0.441
1984,284.0,9.79,0.00534,0.44
1985,311.0,9.64,0.005860000000000001,0.468
1986,316.0,9.26,0.00596,0.49
1987,320.0,9.38,0.00605,0.504
1988,328.0,9.46,0.0061200000000000004,0.496
1989,314.0,9.34,0.00591,0.423
1990,279.0,9.22,0.0052699999999999995,0.368
1991,261.0,8.51,0.00492,0.329
1992,263.0,7.59,0.004940000000000001,0.232
1993,219.0,6.02,0.00412,0.134
1994,202.0,3.84,0.0038,0.101
1995,171.0,3.92,0.00321,0.0988
1996,145.0,3.32,0.00269,0.104
1997,134.0,3.09,0.0024700000000000004,0.0223
1998,132.0,2.98,0.0024300000000000003,0.0193
1999,122.0,3.63,0.00222,0.0442
2000,126.0,3.96,0.0022400000000000002,0.0435
2001,138.0,4.22,0.0025,0.060899999999999996
2002,140.0,4.37,0.0025299999999999997,0.0709
2003,148.0,4.76,0.00269,0.0711
2004,180.0,5.08,0.00327,0.0594
2005,183.0,5.17,0.00335,0.0598
2006,202.0,5.83,4e-06,0.0541
2007,229.0,6.35,0.000566,0.0518
2008,234.0,5.98,0.000837,0.0474
2009,217.0,5.44,0.00752,0.0428
2010,251.0,6.76,0.00807,0.039200000000000006
2011,262.0,7.01,0.00641,0.036
2012,259.0,7.23,0.005900000000000001,0.034
2013,280.0,7.47,0.00728,0.0188
2014,270.0,7.83,0.00708,0.00359
2015,261.0,7.95,0.0061200000000000004,0.00535
2016,259.0,10.7,0.00614,0.0125
2017,271.0,8.64,0.00567,0.0125
2018,301.0,8.48,0.005849999999999999,0.0125