year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0005600000000000001,0.0,1.56e-07,2.3e-06
1851,0.0005899999999999999,0.0,1.64e-07,2.4199999999999997e-06
1852,0.000622,0.0,1.73e-07,2.55e-06
1853,0.000656,0.0,1.8200000000000002e-07,2.69e-06
1854,0.0006919999999999999,0.0,1.92e-07,2.84e-06
1855,0.00073,0.0,2.03e-07,2.99e-06
1856,0.0007700000000000001,0.0,2.14e-07,3.15e-06
1857,0.0008110000000000001,0.0,2.25e-07,3.32e-06
1858,0.0008539999999999999,0.0,2.37e-07,3.5e-06
1859,0.0008990000000000001,0.0,2.4899999999999997e-07,3.68e-06
1860,0.000944,0.0,2.6200000000000004e-07,3.87e-06
1861,0.000992,0.0,2.75e-07,4.07e-06
1862,0.0010400000000000001,0.0,2.8899999999999995e-07,4.270000000000001e-06
1863,0.00109,0.0,3.03e-07,4.4799999999999995e-06
1864,0.00115,0.0,3.19e-07,4.71e-06
1865,0.00121,0.0,3.34e-07,4.94e-06
1866,0.00126,0.0,3.51e-07,5.1799999999999995e-06
1867,0.00133,0.0,3.68e-07,5.4400000000000004e-06
1868,0.00139,0.0,3.86e-07,5.7000000000000005e-06
1869,0.00146,0.0,4.05e-07,5.98e-06
1870,0.0015300000000000001,0.0,4.24e-07,6.27e-06
1871,0.0016,0.0,4.45e-07,6.570000000000001e-06
1872,0.0016799999999999999,0.0,4.6700000000000004e-07,6.89e-06
1873,0.00177,0.0,4.9e-07,7.24e-06
1874,0.00185,0.0,5.140000000000001e-07,7.6e-06
1875,0.00195,0.0,5.4e-07,7.98e-06
1876,0.00204,0.0,5.66e-07,8.370000000000001e-06
1877,0.00214,0.0,5.94e-07,8.77e-06
1878,0.0022400000000000002,0.0,6.22e-07,9.18e-06
1879,0.00234,0.0,6.499999999999999e-07,9.610000000000001e-06
1880,0.0024500000000000004,0.0,6.800000000000001e-07,1e-05
1881,0.00256,0.0,7.09e-07,1.0500000000000001e-05
1882,0.00267,0.0,7.4e-07,1.09e-05
1883,0.00278,0.0,7.71e-07,1.1400000000000001e-05
1884,0.0029,0.0,8.04e-07,1.1900000000000001e-05
1885,0.00302,0.0,8.38e-07,1.24e-05
1886,0.00314,0.0,8.720000000000001e-07,1.29e-05
1887,0.00327,0.0,9.079999999999999e-07,1.34e-05
1888,0.0034100000000000003,0.0,9.46e-07,1.4e-05
1889,0.0035499999999999998,0.0,9.849999999999999e-07,1.45e-05
1890,0.0038799999999999998,0.0,1.08e-06,1.59e-05
1891,0.004030000000000001,0.0,1.1199999999999999e-06,1.65e-05
1892,0.00419,0.0,1.16e-06,1.72e-05
1893,0.00436,0.0,1.2099999999999998e-06,1.7899999999999998e-05
1894,0.00454,0.0,1.26e-06,1.8599999999999998e-05
1895,0.004730000000000001,0.0,1.31e-06,1.94e-05
1896,0.0049299999999999995,0.0,1.37e-06,2.02e-05
1897,0.00514,0.0,1.42e-06,2.1000000000000002e-05
1898,0.00535,0.0,1.48e-06,2.19e-05
1899,0.00557,0.0,1.55e-06,2.2800000000000002e-05
1900,0.0058,0.0,1.61e-06,2.3800000000000003e-05
1901,0.006059999999999999,0.00011999999999999999,1.68e-06,2.48e-05
1902,0.00635,0.000472,1.76e-06,2.6e-05
1903,0.00667,0.0010500000000000002,1.85e-06,2.7300000000000003e-05
1904,0.007,0.00183,1.94e-06,2.87e-05
1905,0.00677,0.00281,1.88e-06,2.77e-05
1906,0.0221,0.0039900000000000005,6.13e-06,9.049999999999999e-05
1907,0.038299999999999994,0.00534,1.06e-05,0.000157
1908,0.055299999999999995,0.006860000000000001,1.53e-05,0.00022600000000000002
1909,0.0728,0.00853,2.02e-05,0.000298
1910,0.09140000000000001,0.0104,2.5399999999999997e-05,0.000374
1911,0.108,0.0136,2.9999999999999997e-05,0.000444
1912,0.135,0.019399999999999997,3.76e-05,0.000555
1913,0.157,0.0275,4.3700000000000005e-05,0.0006450000000000001
1914,0.225,0.037399999999999996,6.24e-05,0.0009220000000000001
1915,0.281,0.049,7.79e-05,0.00115
1916,0.234,0.061700000000000005,6.48e-05,0.000957
1917,0.231,0.0755,6.41e-05,0.0009459999999999999
1918,0.23,0.08979999999999999,6.379999999999999e-05,0.0009429999999999999
1919,0.272,0.104,7.56e-05,0.0011200000000000001
1920,0.354,0.119,9.810000000000001e-05,0.00145
1921,0.381,0.134,0.000106,0.00156
1922,0.389,0.151,0.000108,0.0016
1923,0.465,0.169,0.000129,0.00191
1924,0.489,0.189,0.000136,0.002
1925,0.78,0.21,0.000216,0.0032
1926,0.838,0.232,0.000232,0.0034300000000000003
1927,0.869,0.256,0.000241,0.0035600000000000002
1928,1.0,0.282,0.000277,0.0040999999999999995
1929,1.15,0.308,0.000319,0.00471
1930,1.08,0.337,0.0003,0.00444
1931,1.15,0.372,0.00031800000000000003,0.0047
1932,1.35,0.419,0.000375,0.00554
1933,1.6,0.473,0.000442,0.00653
1934,2.07,0.687,0.000574,0.00848
1935,2.39,0.916,0.000662,0.009789999999999998
1936,2.8,1.04,0.000776,0.0115
1937,2.99,1.16,0.0008259999999999999,0.012199999999999999
1938,4.2,1.39,0.00116,0.0172
1939,5.2,1.6,0.0014399999999999999,0.0213
1940,7.05,1.65,0.00195,0.0288
1941,7.56,1.69,0.00209,0.030899999999999997
1942,8.4,1.59,0.00233,0.0344
1943,8.08,1.73,0.0022400000000000002,0.033100000000000004
1944,8.65,1.44,0.0024,0.0354
1945,7.59,0.819,0.0021000000000000003,0.031100000000000003
1946,5.28,0.815,0.00146,0.0216
1947,2.96,0.801,0.000819,0.0121
1948,1.91,0.791,0.000527,0.00779
1949,2.42,0.785,0.000669,0.009890000000000001
1950,1.06,0.783,0.00029299999999999997,0.00433
1951,1.25,1.18,0.00034599999999999995,0.00511
1952,1.12,2.25,0.000307,0.00454
1953,2.17,3.94,0.000596,0.00881
1954,6.17,6.0,0.0017,0.0252
1955,9.74,7.99,0.00269,0.039799999999999995
1956,11.8,10.2,0.00326,0.048100000000000004
1957,14.8,12.4,0.00408,0.060200000000000004
1958,20.4,14.2,0.0056500000000000005,0.0834
1959,25.7,15.8,0.00711,0.105
1960,30.8,16.5,0.00852,0.126
1961,34.4,16.4,0.00951,0.14
1962,40.1,16.4,0.0111,0.164
1963,42.9,16.4,0.0119,0.175
1964,46.7,16.2,0.0129,0.191
1965,58.5,15.9,0.0162,0.239
1966,63.1,15.8,0.0174,0.257
1967,69.5,15.6,0.0192,0.284
1968,78.8,15.6,0.0218,0.322
1969,85.3,15.5,0.023600000000000003,0.348
1970,97.2,17.1,0.022600000000000002,0.369
1971,143.0,17.3,0.022600000000000002,0.39
1972,118.0,18.7,0.023399999999999997,0.406
1973,128.0,18.5,0.0242,0.44
1974,134.0,17.1,0.025,0.468
1975,141.0,19.9,0.0257,0.482
1976,145.0,19.0,0.026199999999999998,0.603
1977,150.0,19.0,0.026600000000000002,0.665
1978,145.0,18.4,0.0269,0.748
1979,147.0,19.6,0.0273,0.749
1980,152.0,17.9,0.0277,0.758
1981,153.0,17.4,0.0282,0.769
1982,157.0,16.3,0.0287,0.767
1983,168.0,15.8,0.0292,0.783
1984,181.0,17.0,0.0298,0.796
1985,194.0,16.9,0.0303,0.817
1986,211.0,16.5,0.0308,0.783
1987,236.0,17.2,0.0313,0.783
1988,269.0,19.5,0.0319,0.815
1989,283.0,22.2,0.0324,0.822
1990,160.0,21.9,0.033,0.833
1991,157.0,19.8,0.0329,0.83
1992,137.0,17.5,0.0329,0.826
1993,129.0,16.0,0.0329,0.818
1994,120.0,14.5,0.034,0.381
1995,106.0,14.4,0.0347,0.142
1996,86.1,14.0,0.0353,0.0681
1997,78.0,10.1,0.036,0.124
1998,67.4,4.55,0.0367,0.107
1999,66.8,4.51,0.0373,0.122
2000,64.3,4.68,0.038,0.155
2001,68.9,5.13,0.039,0.119
2002,68.4,5.56,0.04,0.12
2003,69.9,5.65,0.0404,0.12
2004,71.5,5.67,0.040799999999999996,0.1
2005,74.8,5.71,0.041100000000000005,0.0856
2006,75.9,5.9,0.0414,0.0856
2007,62.9,5.85,0.0417,0.0783
2008,69.8,4.5,0.042,0.07540000000000001
2009,69.4,4.5,0.0424,0.0385
2010,65.2,4.38,0.0426,0.056299999999999996
2011,46.2,5.19,0.043,0.056799999999999996
2012,47.1,3.84,0.0434,0.06
2013,33.4,4.15,0.0438,0.0876
2014,38.0,4.18,0.0442,0.0876
2015,40.5,4.17,0.0445,0.084
2016,44.1,4.23,0.044899999999999995,0.0878
2017,45.3,4.23,0.045200000000000004,0.0889
2018,64.4,4.24,0.0456,0.09