year,IPC1,IPC2,IPC4,IPCMAG
1850,0.118,0.498,7.53e-07,0.000216
1851,0.124,0.524,7.92e-07,0.00022700000000000002
1852,0.131,0.553,8.35e-07,0.00023899999999999998
1853,0.138,0.583,8.809999999999999e-07,0.000252
1854,0.146,0.615,9.29e-07,0.000266
1855,0.154,0.649,9.8e-07,0.00028100000000000005
1856,0.162,0.684,1.03e-06,0.000296
1857,0.171,0.721,1.09e-06,0.000312
1858,0.18,0.759,1.15e-06,0.00032900000000000003
1859,0.189,0.799,1.2099999999999998e-06,0.00034599999999999995
1860,0.199,0.839,1.2700000000000001e-06,0.000364
1861,0.209,0.882,1.33e-06,0.000382
1862,0.219,0.926,1.4e-06,0.00040100000000000004
1863,0.23,0.972,1.47e-06,0.000421
1864,0.242,1.02,1.5399999999999999e-06,0.000442
1865,0.254,1.07,1.62e-06,0.000464
1866,0.266,1.12,1.6999999999999998e-06,0.00048699999999999997
1867,0.182,0.767,1.16e-06,0.000332
1868,0.09090000000000001,0.384,5.8e-07,0.000166
1869,0.209,0.884,1.34e-06,0.000383
1870,0.217,0.917,1.39e-06,0.000397
1871,0.32,1.35,2.04e-06,0.000585
1872,0.19,0.8,1.2099999999999998e-06,0.000347
1873,0.209,0.884,1.34e-06,0.000383
1874,0.162,0.684,1.03e-06,0.000296
1875,0.178,0.75,1.13e-06,0.000325
1876,0.151,0.636,9.61e-07,0.000275
1877,0.09090000000000001,0.384,5.8e-07,0.000166
1878,0.031100000000000003,0.131,1.98e-07,5.69e-05
1879,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1880,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1881,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1882,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1883,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1884,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1885,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1886,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1887,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1888,0.00395,0.0167,2.52e-08,7.2199999999999995e-06
1889,0.06570000000000001,0.277,4.19e-07,0.00011999999999999999
1890,0.202,0.158,1.29e-06,0.000368
1891,0.337,0.158,2.15e-06,0.000617
1892,0.399,0.158,2.5400000000000002e-06,0.0007289999999999999
1893,0.352,0.159,2.2399999999999997e-06,0.000643
1894,0.36,0.159,2.29e-06,0.000657
1895,0.336,0.16,2.14e-06,0.000614
1896,0.403,0.161,2.57e-06,0.000737
1897,0.391,0.161,2.49e-06,0.0007149999999999999
1898,0.498,0.162,3.17e-06,0.00091
1899,0.261,0.163,1.66e-06,0.000477
1900,0.451,0.163,2.87e-06,0.000823
1901,0.451,0.164,2.87e-06,0.000823
1902,0.36,0.165,2.29e-06,0.000657
1903,0.431,0.166,2.75e-06,0.000787
1904,0.384,0.167,2.44e-06,0.0007009999999999999
1905,0.301,0.168,1.91e-06,0.000549
1906,0.282,0.169,1.79e-06,0.000513
1907,0.463,0.17,2.95e-06,0.0008449999999999999
1908,0.787,0.172,5.0099999999999995e-06,0.0014399999999999999
1909,0.606,0.173,3.86e-06,0.00111
1910,0.776,0.175,4.94e-06,0.0014199999999999998
1911,0.977,0.176,6.22e-06,0.0017800000000000001
1912,1.26,0.178,8.05e-06,0.00231
1913,1.44,0.179,9.2e-06,0.00264
1914,0.013,0.181,7.559999999999999e-08,2.17e-05
1915,0.0248,0.183,1.5100000000000002e-07,4.3299999999999995e-05
1916,0.0721,0.185,4.5399999999999996e-07,0.00013000000000000002
1917,0.0997,0.188,6.3e-07,0.00018099999999999998
1918,0.135,0.191,8.57e-07,0.000246
1919,0.115,0.194,7.31e-07,0.00020899999999999998
1920,0.732,0.198,4.66e-06,0.00134
1921,0.803,0.204,5.12e-06,0.00147
1922,0.732,0.212,4.66e-06,0.00134
1923,0.993,0.224,6.3200000000000005e-06,0.00181
1924,1.4,0.237,8.920000000000001e-06,0.00256
1925,2.14,0.252,1.3599999999999999e-05,0.00391
1926,1.96,0.268,1.25e-05,0.00359
1927,2.5,0.283,1.59e-05,0.00457
1928,2.48,0.385,1.58e-05,0.00454
1929,2.83,0.404,1.8100000000000003e-05,0.00518
1930,2.98,0.43,1.9e-05,0.00545
1931,2.84,0.456,1.8100000000000003e-05,0.00519
1932,2.79,0.468,1.78e-05,0.00509
1933,2.37,0.481,1.5100000000000001e-05,0.00433
1934,2.92,0.524,1.8599999999999998e-05,0.00534
1935,3.0,0.549,1.91e-05,0.00547
1936,3.49,0.566,2.22e-05,0.00636
1937,3.72,0.582,2.37e-05,0.00679
1938,2.91,0.607,1.85e-05,0.00531
1939,0.0989,0.64,5.54e-07,0.00015900000000000002
1940,0.168,0.562,9.83e-07,0.00028199999999999997
1941,0.125,0.499,7.06e-07,0.000202
1942,0.241,0.487,1.4400000000000002e-06,0.000412
1943,0.247,0.499,1.46e-06,0.000419
1944,0.137,0.511,7.56e-07,0.000217
1945,0.064,0.523,2.77e-07,7.939999999999999e-05
1946,0.101,0.562,5.04e-07,0.00014399999999999998
1947,0.107,0.618,5.289999999999999e-07,0.000152
1948,1.34,0.685,8.370000000000001e-06,0.0024
1949,1.62,0.728,1.02e-05,0.0029100000000000003
1950,4.27,0.782,2.7e-05,0.00775
1951,4.74,0.827,2.9999999999999997e-05,0.0086
1952,4.9,0.955,3.1e-05,0.00888
1953,4.92,1.09,3.1e-05,0.0089
1954,5.09,1.2,3.2099999999999994e-05,0.00919
1955,5.89,1.42,3.71e-05,0.0106
1956,6.2,1.55,3.9e-05,0.0112
1957,6.79,1.61,4.27e-05,0.012199999999999999
1958,7.42,1.75,4.67e-05,0.0134
1959,8.1,1.88,5.0900000000000004e-05,0.0146
1960,9.37,2.06,5.9e-05,0.0169
1961,9.72,2.25,6.12e-05,0.0175
1962,10.0,2.39,6.33e-05,0.0181
1963,12.1,2.69,7.64e-05,0.0219
1964,12.9,3.01,8.17e-05,0.023399999999999997
1965,16.8,3.42,0.000106,0.0304
1966,18.3,3.74,0.000116,0.0332
1967,19.3,3.75,0.000122,0.0351
1968,22.0,4.21,0.00013900000000000002,0.04
1969,25.0,4.73,0.000158,0.045399999999999996
1970,23.5,4.44,0.00013800000000000002,0.0461
1971,27.0,4.93,0.00014199999999999998,0.0456
1972,30.7,5.47,0.000147,0.047200000000000006
1973,36.7,5.82,0.00015099999999999998,0.0531
1974,35.7,6.12,0.000148,0.0444
1975,37.9,6.45,0.000154,0.0437
1976,41.6,6.69,0.000158,0.053899999999999997
1977,45.0,7.61,0.000161,0.055299999999999995
1978,45.8,7.97,0.000166,0.0678
1979,49.0,8.71,0.00016900000000000002,0.0702
1980,48.8,8.81,0.00017,0.0648
1981,47.7,8.86,0.00017,0.062299999999999994
1982,49.3,8.61,0.00017,0.0705
1983,52.2,9.1,0.00017,0.076
1984,54.2,8.89,0.00017199999999999998,0.0718
1985,58.0,8.87,0.00017299999999999998,0.081
1986,56.6,8.68,0.000175,0.071
1987,61.4,8.78,0.00017299999999999998,0.0573
1988,66.4,8.64,0.000176,0.0624
1989,73.4,8.29,0.000179,0.061
1990,74.8,8.7,0.00022,0.060399999999999995
1991,74.9,8.6,0.00022,0.0581
1992,76.8,8.25,0.00022,0.055600000000000004
1993,76.5,7.94,0.00022,0.0437
1994,78.6,7.91,0.00022,0.0407
1995,78.7,8.39,0.00022,0.045
1996,80.8,8.39,0.00022,0.046
1997,85.3,8.57,0.00022,0.0437
1998,89.8,8.8,0.00022,0.0439
1999,89.2,8.71,0.00022,0.0417
2000,94.1,8.92,0.00022,0.0385
2001,96.5,8.96,0.00022,0.037
2002,96.2,8.85,0.000481,0.036
2003,100.0,9.02,0.000855,0.0352
2004,101.0,9.0,0.0010500000000000002,0.0363
2005,104.0,9.59,0.00198,0.0319
2006,103.0,9.36,0.0024100000000000002,0.0299
2007,105.0,9.26,0.00317,0.033600000000000005
2008,103.0,8.61,0.00368,0.0286
2009,97.7,6.64,0.0124,0.0249
2010,90.8,6.6,0.00636,0.0303
2011,89.6,4.96,0.00561,0.0258
2012,85.9,5.5,0.00348,0.025
2013,75.9,5.88,0.00383,0.026
2014,72.5,6.18,0.0044800000000000005,0.023600000000000003
2015,69.2,5.71,0.00512,0.023399999999999997
2016,65.4,5.98,0.00393,0.0264
2017,68.5,6.32,0.0035099999999999997,0.0341
2018,65.6,6.18,0.00357,0.0329