year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0292,0.00729,1.03e-07,3.2800000000000004e-05
1851,0.030699999999999998,0.007679999999999999,1.08e-07,3.4500000000000005e-05
1852,0.0324,0.00809,1.14e-07,3.6400000000000004e-05
1853,0.0342,0.00853,1.2000000000000002e-07,3.84e-05
1854,0.036,0.009,1.2699999999999999e-07,4.05e-05
1855,0.038,0.0095,1.34e-07,4.27e-05
1856,0.040100000000000004,0.01,1.41e-07,4.4999999999999996e-05
1857,0.0423,0.0106,1.49e-07,4.75e-05
1858,0.0445,0.0111,1.56e-07,5e-05
1859,0.046799999999999994,0.011699999999999999,1.65e-07,5.26e-05
1860,0.0492,0.0123,1.73e-07,5.53e-05
1861,0.0517,0.0129,1.8200000000000002e-07,5.8e-05
1862,0.054299999999999994,0.0136,1.91e-07,6.1e-05
1863,0.057,0.014199999999999999,2.0000000000000002e-07,6.4e-05
1864,0.0598,0.0149,2.1e-07,6.72e-05
1865,0.0628,0.0157,2.21e-07,7.049999999999999e-05
1866,0.0659,0.0165,2.32e-07,7.4e-05
1867,0.0691,0.0173,2.43e-07,7.76e-05
1868,0.0725,0.0181,2.55e-07,8.14e-05
1869,0.076,0.019,2.67e-07,8.54e-05
1870,0.07959999999999999,0.019899999999999998,2.7999999999999997e-07,8.95e-05
1871,0.0835,0.0209,2.9300000000000004e-07,9.379999999999999e-05
1872,0.0876,0.0219,3.08e-07,9.84e-05
1873,0.092,0.023,3.2299999999999997e-07,0.000103
1874,0.09659999999999999,0.0241,3.39e-07,0.00010899999999999999
1875,0.101,0.0253,3.5599999999999996e-07,0.000114
1876,0.106,0.026600000000000002,3.74e-07,0.00011899999999999999
1877,0.111,0.027800000000000002,3.9199999999999996e-07,0.000125
1878,0.117,0.0292,4.1e-07,0.000131
1879,0.122,0.0305,4.2900000000000004e-07,0.00013700000000000002
1880,0.128,0.0319,4.48e-07,0.00014299999999999998
1881,0.133,0.033299999999999996,4.68e-07,0.00015
1882,0.139,0.0347,4.88e-07,0.000156
1883,0.145,0.0362,5.09e-07,0.000163
1884,0.151,0.037700000000000004,5.3e-07,0.00017
1885,0.157,0.039299999999999995,5.53e-07,0.000177
1886,0.164,0.0409,5.76e-07,0.000184
1887,0.171,0.0426,5.99e-07,0.000192
1888,0.178,0.0443,6.24e-07,0.000199
1889,0.185,0.046200000000000005,6.499999999999999e-07,0.000208
1890,0.182,0.0455,6.39e-07,0.000204
1891,0.189,0.0455,6.64e-07,0.000212
1892,0.197,0.0455,6.92e-07,0.000221
1893,0.206,0.0455,7.23e-07,0.000231
1894,0.215,0.0455,7.56e-07,0.000242
1895,0.5,0.0455,1.76e-06,0.0005620000000000001
1896,0.511,0.0455,1.8e-06,0.000574
1897,0.609,0.0455,2.14e-06,0.000684
1898,0.707,0.0455,2.48e-06,0.000794
1899,0.605,0.0455,2.13e-06,0.00068
1900,0.812,0.0455,2.8500000000000002e-06,0.000912
1901,1.5,0.0455,5.26e-06,0.0016799999999999999
1902,1.87,0.0455,6.58e-06,0.0021000000000000003
1903,2.06,0.0455,7.25e-06,0.00232
1904,1.88,0.0455,6.6e-06,0.00211
1905,1.98,0.0455,6.969999999999999e-06,0.0022299999999999998
1906,2.33,0.0456,8.19e-06,0.00262
1907,2.08,0.0456,7.32e-06,0.00234
1908,2.35,0.0456,8.25e-06,0.00264
1909,2.25,0.0456,7.889999999999999e-06,0.00252
1910,2.69,0.0456,9.43e-06,0.0030099999999999997
1911,2.97,0.0456,1.0399999999999999e-05,0.00333
1912,3.32,0.0456,1.1599999999999999e-05,0.0037099999999999998
1913,3.22,0.0456,1.1299999999999999e-05,0.0036
1914,2.74,0.0456,9.54e-06,0.0030499999999999998
1915,2.97,0.0456,1.03e-05,0.00329
1916,3.59,0.0456,1.24e-05,0.00398
1917,3.9,0.0456,1.35e-05,0.00432
1918,3.85,0.0456,1.33e-05,0.00426
1919,3.78,0.0456,1.3e-05,0.00417
1920,2.73,0.0456,9.33e-06,0.00298
1921,3.26,0.047,1.12e-05,0.0035800000000000003
1922,2.7,0.0511,9.25e-06,0.00296
1923,2.98,0.0575,1.02e-05,0.00327
1924,3.92,0.0658,1.35e-05,0.00432
1925,3.7,0.0757,1.2800000000000001e-05,0.00408
1926,3.8,0.0869,1.31e-05,0.00419
1927,3.77,0.163,1.3e-05,0.0041600000000000005
1928,3.5,0.177,1.21e-05,0.0038599999999999997
1929,3.84,0.212,1.32e-05,0.00423
1930,3.67,0.233,1.2699999999999999e-05,0.00405
1931,2.82,0.211,9.65e-06,0.00309
1932,2.78,0.23,9.53e-06,0.0030499999999999998
1933,3.91,0.263,1.35e-05,0.00432
1934,4.59,0.319,1.59e-05,0.00507
1935,4.82,0.386,1.67e-05,0.00533
1936,4.76,0.384,1.65e-05,0.00526
1937,4.97,0.445,1.72e-05,0.00549
1938,5.19,0.499,1.7899999999999998e-05,0.005730000000000001
1939,4.71,0.507,1.62e-05,0.00519
1940,4.94,0.56,1.7e-05,0.00544
1941,5.25,0.577,1.8100000000000003e-05,0.00578
1942,5.48,0.616,1.89e-05,0.00604
1943,5.78,0.66,1.9900000000000003e-05,0.00636
1944,5.82,0.694,2e-05,0.0064
1945,5.33,0.772,1.8200000000000002e-05,0.00583
1946,5.06,0.923,1.73e-05,0.00552
1947,5.33,0.989,1.8100000000000003e-05,0.0058
1948,5.85,1.01,1.9900000000000003e-05,0.00637
1949,5.57,1.04,1.89e-05,0.00604
1950,8.03,1.11,2.75e-05,0.00879
1951,9.42,1.29,3.23e-05,0.0103
1952,9.87,1.43,3.3799999999999995e-05,0.0108
1953,9.73,1.47,3.33e-05,0.0106
1954,10.4,1.56,3.57e-05,0.0114
1955,10.9,1.67,3.71e-05,0.0119
1956,11.0,1.74,3.7699999999999995e-05,0.0121
1957,10.8,1.81,3.68e-05,0.011699999999999999
1958,11.2,1.92,3.7900000000000006e-05,0.0121
1959,11.1,2.09,3.75e-05,0.012
1960,11.4,2.21,3.87e-05,0.0124
1961,11.7,2.36,3.95e-05,0.0126
1962,13.1,2.57,4.43e-05,0.014199999999999999
1963,13.6,2.79,4.63e-05,0.0148
1964,14.2,3.0,4.8e-05,0.0154
1965,14.5,3.11,4.92e-05,0.0157
1966,15.7,3.39,5.33e-05,0.017
1967,16.0,3.49,5.4199999999999996e-05,0.0173
1968,17.4,3.69,5.92e-05,0.0189
1969,18.0,4.02,6.110000000000001e-05,0.0195
1970,21.1,4.03,6.08e-05,0.019899999999999998
1971,22.5,3.53,6.08e-05,0.0219
1972,22.7,3.64,6.23e-05,0.024399999999999998
1973,21.9,3.43,6.419999999999999e-05,0.0275
1974,21.1,3.3,6.54e-05,0.019600000000000003
1975,18.3,2.81,6.73e-05,0.0136
1976,18.5,2.63,6.850000000000001e-05,0.013300000000000001
1977,19.0,2.62,7.04e-05,0.0106
1978,18.9,2.62,7.22e-05,0.0178
1979,20.5,2.83,7.35e-05,0.0219
1980,21.4,2.75,7.53e-05,0.0258
1981,21.6,2.67,7.72e-05,0.0233
1982,18.6,1.76,7.84e-05,0.0123
1983,18.9,1.84,7.960000000000001e-05,0.0246
1984,20.1,2.18,8.15e-05,0.0335
1985,19.4,2.13,8.269999999999999e-05,0.0412
1986,20.4,2.03,8.400000000000001e-05,0.0687
1987,20.8,2.14,8.58e-05,0.0773
1988,24.7,2.66,8.77e-05,0.0844
1989,29.9,3.0,8.89e-05,0.0927
1990,30.6,2.92,9.070000000000001e-05,0.113
1991,28.7,3.33,9.2e-05,0.1
1992,29.6,3.7,9.379999999999999e-05,0.112
1993,31.5,4.06,9.57e-05,0.13
1994,34.6,3.89,0.0001,0.13
1995,37.4,3.95,0.0001,0.166
1996,42.9,4.18,0.0001,0.181
1997,49.3,4.24,0.0001,0.182
1998,49.7,4.21,0.0001,0.188
1999,52.9,4.31,0.0001,0.174
2000,49.6,5.4,0.0001,0.153
2001,44.8,5.3,0.00623,0.152
2002,46.6,6.18,0.0124,0.16
2003,47.2,7.07,0.0185,0.183
2004,50.8,6.77,0.0246,0.185
2005,52.6,6.31,0.0308,0.177
2006,55.3,6.57,0.036899999999999995,0.178
2007,62.0,6.33,0.0277,0.186
2008,63.4,5.66,0.018600000000000002,0.193
2009,60.0,4.46,0.00945,0.188
2010,66.1,3.59,0.0003,0.142
2011,72.7,4.15,0.0003,0.144
2012,74.8,4.25,0.0003,0.159
2013,77.0,3.48,0.0003,0.147
2014,79.6,3.1,0.000367,0.146
2015,81.8,3.13,0.000433,0.151
2016,84.1,3.34,0.0005,0.161
2017,82.6,3.28,0.000505,0.161
2018,84.3,3.26,0.000509,0.162