year,IPC1,IPC2,IPC4,IPCMAG
1850,8.3e-05,1.1e-08,7.9e-05,0.00025
1851,8.319999999999999e-05,1.26e-08,8e-05,0.00025
1852,8.37e-05,1.42e-08,8.1e-05,0.00025
1853,8.47e-05,1.5800000000000003e-08,8.2e-05,0.000251
1854,8.59e-05,1.7499999999999998e-08,8.3e-05,0.000252
1855,8.76e-05,1.91e-08,8.39e-05,0.000253
1856,8.95e-05,2.08e-08,8.49e-05,0.000255
1857,9.180000000000001e-05,2.2500000000000003e-08,8.59e-05,0.000257
1858,9.44e-05,2.4199999999999998e-08,8.68e-05,0.000259
1859,9.73e-05,2.59e-08,8.78e-05,0.000261
1860,0.000101,2.77e-08,8.87e-05,0.000264
1861,0.000104,2.94e-08,8.97e-05,0.000266
1862,0.000108,3.12e-08,9.049999999999999e-05,0.00026900000000000003
1863,0.000112,3.3000000000000004e-08,9.14e-05,0.000273
1864,0.000116,3.48e-08,9.23e-05,0.00027600000000000004
1865,0.000121,3.67e-08,9.31e-05,0.00028000000000000003
1866,0.000125,3.85e-08,9.4e-05,0.00028399999999999996
1867,0.00013000000000000002,4.04e-08,9.49e-05,0.00028799999999999995
1868,0.000136,4.2299999999999995e-08,9.58e-05,0.000292
1869,0.00014099999999999998,4.4100000000000004e-08,9.68e-05,0.000296
1870,0.000147,4.6e-08,9.79e-05,0.000301
1871,0.000153,4.8e-08,9.900000000000001e-05,0.000306
1872,0.00015900000000000002,4.99e-08,0.0001,0.00031
1873,0.000165,5.18e-08,0.000101,0.000315
1874,0.000171,5.38e-08,0.000103,0.000321
1875,0.000178,5.5699999999999996e-08,0.000104,0.000326
1876,0.000185,5.77e-08,0.000106,0.000331
1877,0.000191,5.97e-08,0.000107,0.000337
1878,0.00019800000000000002,6.169999999999999e-08,0.000108,0.00034300000000000004
1879,0.000205,6.370000000000001e-08,0.00011,0.000348
1880,0.000213,6.57e-08,0.000111,0.000354
1881,0.00022,6.78e-08,0.00011300000000000001,0.00035999999999999997
1882,0.00022700000000000002,6.98e-08,0.000114,0.000366
1883,0.000235,7.18e-08,0.000115,0.000372
1884,0.000242,7.389999999999999e-08,0.00011700000000000001,0.000379
1885,0.00025,7.6e-08,0.000118,0.00038500000000000003
1886,0.000258,7.8e-08,0.00011899999999999999,0.000391
1887,0.000265,8.01e-08,0.000121,0.000398
1888,0.000273,8.220000000000001e-08,0.000122,0.000404
1889,0.00028100000000000005,8.430000000000001e-08,0.000124,0.00041
1890,0.00029299999999999997,1.3200000000000002e-07,0.000126,0.000347
1891,0.000304,1.41e-07,0.000128,0.00039600000000000003
1892,0.000314,1.52e-07,0.00013000000000000002,0.000442
1893,0.000325,1.66e-07,0.000132,0.000484
1894,0.000335,1.8100000000000002e-07,0.000133,0.000523
1895,0.00034599999999999995,1.98e-07,0.000135,0.0005560000000000001
1896,0.000357,2.16e-07,0.00013700000000000002,0.000585
1897,0.000367,2.35e-07,0.00013900000000000002,0.000607
1898,0.000378,2.5599999999999996e-07,0.00014099999999999998,0.000624
1899,0.000389,2.77e-07,0.00014299999999999998,0.000635
1900,0.0004,2.99e-07,0.000145,0.000638
1901,0.000412,3.2499999999999996e-07,0.000147,0.000635
1902,0.000425,3.57e-07,0.000149,0.000624
1903,0.000439,3.93e-07,0.00015099999999999998,0.000609
1904,0.000453,4.32e-07,0.000153,0.0005909999999999999
1905,0.000467,4.72e-07,0.000155,0.000571
1906,0.00047999999999999996,5.11e-07,0.000157,0.0005510000000000001
1907,0.000492,5.490000000000001e-07,0.00015900000000000002,0.000532
1908,0.000502,5.84e-07,0.000161,0.000517
1909,0.000509,6.13e-07,0.000164,0.000507
1910,0.000513,6.37e-07,0.000166,0.000503
1911,0.000513,6.55e-07,0.00016800000000000002,0.000503
1912,0.0005110000000000001,6.7e-07,0.00017,0.000504
1913,0.000506,6.84e-07,0.00017299999999999998,0.000506
1914,0.000499,6.96e-07,0.000175,0.000509
1915,0.000492,7.079999999999999e-07,0.000177,0.000512
1916,0.00048499999999999997,7.19e-07,0.00017999999999999998,0.000516
1917,0.00047799999999999996,7.31e-07,0.000182,0.0005200000000000001
1918,0.00047299999999999995,7.429999999999999e-07,0.000184,0.0005250000000000001
1919,0.00047,7.57e-07,0.000187,0.00053
1920,0.00047099999999999996,7.73e-07,0.000189,0.0005340000000000001
1921,0.000475,7.900000000000001e-07,0.000192,0.00054
1922,0.000483,8.08e-07,0.000194,0.0005470000000000001
1923,0.000493,8.270000000000001e-07,0.00019700000000000002,0.0005560000000000001
1924,0.000505,8.459999999999999e-07,0.000199,0.000566
1925,0.000518,8.67e-07,0.000202,0.0005759999999999999
1926,0.000531,8.890000000000001e-07,0.000204,0.000587
1927,0.0005420000000000001,9.13e-07,0.000207,0.000598
1928,0.0005520000000000001,9.389999999999999e-07,0.00020899999999999998,0.000609
1929,0.000558,9.67e-07,0.000212,0.00062
1930,0.0005610000000000001,9.970000000000002e-07,0.000215,0.00063
1931,0.0005620000000000001,1.03e-06,0.000217,0.000641
1932,0.0005620000000000001,1.08e-06,0.000219,0.000653
1933,0.0005629999999999999,1.13e-06,0.000221,0.000666
1934,0.0005629999999999999,1.1800000000000001e-06,0.000223,0.00068
1935,0.0005629999999999999,1.24e-06,0.000225,0.0006929999999999999
1936,0.0005639999999999999,1.2999999999999998e-06,0.000228,0.000705
1937,0.0005639999999999999,1.3600000000000001e-06,0.00023,0.0007149999999999999
1938,0.0005639999999999999,1.42e-06,0.00023300000000000003,0.000723
1939,0.0005639999999999999,1.48e-06,0.000236,0.0007289999999999999
1940,0.0005629999999999999,1.53e-06,0.00023999999999999998,0.000731
1941,0.0005610000000000001,1.5800000000000001e-06,0.000246,0.00073
1942,0.0005560000000000001,1.62e-06,0.000254,0.000727
1943,0.0005470000000000001,1.66e-06,0.000265,0.000722
1944,0.0005380000000000001,1.6900000000000001e-06,0.000277,0.000717
1945,0.000527,1.73e-06,0.00029,0.000712
1946,0.000516,1.77e-06,0.000303,0.0007059999999999999
1947,0.000507,1.81e-06,0.000315,0.0007009999999999999
1948,0.000499,1.8600000000000002e-06,0.00032700000000000003,0.0006969999999999999
1949,0.000493,1.9200000000000003e-06,0.000337,0.000694
1950,0.000491,1.99e-06,0.00034399999999999996,0.0006929999999999999
1951,0.000492,2.09e-06,0.00035,0.000696
1952,0.000494,2.2499999999999996e-06,0.000356,0.000705
1953,0.000496,2.45e-06,0.00036199999999999996,0.000718
1954,0.0005,2.68e-06,0.000368,0.000734
1955,0.000504,2.9099999999999997e-06,0.000373,0.000751
1956,0.000507,3.14e-06,0.000377,0.000768
1957,0.0005110000000000001,3.35e-06,0.000381,0.0007840000000000001
1958,0.000514,3.5100000000000003e-06,0.000384,0.0007970000000000001
1959,0.000515,3.62e-06,0.000386,0.000805
1960,0.000516,3.66e-06,0.000386,0.000809
1961,0.000516,3.66e-06,0.000386,0.000809
1962,0.000516,3.66e-06,0.000386,0.000809
1963,0.000516,3.66e-06,0.000386,0.000809
1964,0.000516,3.66e-06,0.000386,0.000809
1965,0.000516,3.66e-06,0.000386,0.000809
1966,0.000516,3.66e-06,0.000386,0.000809
1967,0.000516,3.66e-06,0.000386,0.000809
1968,0.000516,3.66e-06,0.000386,0.000809
1969,0.0005200000000000001,3.66e-06,0.000386,0.000809
1970,0.0005510000000000001,3.3700000000000003e-06,0.00039,0.000868
1971,0.000518,3.31e-06,0.000434,0.000916
1972,0.000497,3.7e-06,0.000458,0.0009609999999999999
1973,0.00046800000000000005,3.86e-06,0.000482,0.00103
1974,0.000443,3.82e-06,0.000505,0.0011
1975,0.000465,3.48e-06,0.000519,0.00115
1976,0.00047,3.6099999999999997e-06,0.000539,0.0011899999999999999
1977,0.000474,3.29e-06,0.000559,0.00122
1978,0.00046100000000000004,3.2599999999999997e-06,0.000574,0.00126
1979,0.000464,3.64e-06,0.000592,0.00132
1980,0.000455,3.19e-06,0.00061,0.0013700000000000001
1981,0.000458,3.13e-06,0.000632,0.0014199999999999998
1982,0.00045,2.6700000000000003e-06,0.000656,0.00147
1983,0.000457,2.56e-06,0.0006860000000000001,0.0015300000000000001
1984,0.00047,3.0300000000000002e-06,0.000717,0.00161
1985,0.000475,2.47e-06,0.000739,0.00164
1986,0.00047799999999999996,2.35e-06,0.000771,0.00171
1987,0.000479,2.4199999999999997e-06,0.0007930000000000001,0.0017
1988,0.000439,2.74e-06,0.000812,0.00173
1989,0.000448,2.83e-06,0.000837,0.0017900000000000001
1990,0.000447,2.84e-06,0.000856,0.0018700000000000001
1991,0.000481,2.8800000000000004e-06,0.000841,0.00189
1992,0.000479,3.01e-06,0.000909,0.0019199999999999998
1993,0.00045400000000000003,2.96e-06,0.000898,0.00197
1994,0.000422,3.19e-06,0.000888,0.0020099999999999996
1995,0.000414,3.28e-06,0.000892,0.00204
1996,0.000414,3.25e-06,0.000876,0.00204
1997,0.000386,3.35e-06,0.0008629999999999999,0.0020099999999999996
1998,0.000373,3.36e-06,0.0008449999999999999,0.00198
1999,0.000358,3.44e-06,0.000833,0.00197
2000,0.000352,3.5100000000000003e-06,0.0008399999999999999,0.00209
2001,0.000358,3.52e-06,0.000847,0.00213
2002,0.00035499999999999996,3.62e-06,0.000875,0.00215
2003,0.000379,3.71e-06,0.000898,0.00216
2004,0.000388,3.6e-06,0.000923,0.00221
2005,0.00039,3.58e-06,0.000934,0.0022400000000000002
2006,0.000383,3.76e-06,0.000933,0.00228
2007,0.000384,3.77e-06,0.0009379999999999999,0.0023599999999999997
2008,0.00039,3.24e-06,0.00094,0.0023799999999999997
2009,0.000384,3.1e-06,0.0009040000000000001,0.00237
2010,0.000391,3.3800000000000002e-06,0.000911,0.00237
2011,0.00035,3.17e-06,0.000884,0.00227
2012,0.000356,2.97e-06,0.000857,0.0022299999999999998
2013,0.000361,3.49e-06,0.0008139999999999999,0.00217
2014,0.000331,2.8999999999999998e-06,0.000772,0.0021000000000000003
2015,0.000332,2.8500000000000002e-06,0.000748,0.0020800000000000003
2016,0.00033800000000000003,2.94e-06,0.000815,0.00212
2017,0.00033600000000000004,2.8900000000000003e-06,0.0008070000000000001,0.0020800000000000003
2018,0.00033600000000000004,2.83e-06,0.000799,0.00212