year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00048499999999999997,0.0,1.33e-08,1.2800000000000001e-05
1851,0.0005110000000000001,0.0,1.4e-08,1.34e-05
1852,0.0005380000000000001,0.0,1.48e-08,1.4200000000000001e-05
1853,0.0005679999999999999,0.0,1.56e-08,1.49e-05
1854,0.0005989999999999999,0.0,1.6399999999999998e-08,1.58e-05
1855,0.000632,0.0,1.73e-08,1.66e-05
1856,0.000666,0.0,1.8300000000000002e-08,1.7500000000000002e-05
1857,0.0007019999999999999,0.0,1.93e-08,1.85e-05
1858,0.000739,0.0,2.03e-08,1.94e-05
1859,0.000778,0.0,2.13e-08,2.05e-05
1860,0.0008169999999999999,0.0,2.24e-08,2.1499999999999997e-05
1861,0.000859,0.0,2.36e-08,2.2599999999999997e-05
1862,0.000902,0.0,2.47e-08,2.37e-05
1863,0.0009469999999999999,0.0,2.5999999999999998e-08,2.49e-05
1864,0.000994,0.0,2.73e-08,2.61e-05
1865,0.0010400000000000001,0.0,2.86e-08,2.7400000000000002e-05
1866,0.00109,0.0,3.0000000000000004e-08,2.88e-05
1867,0.00115,0.0,3.15e-08,3.0200000000000002e-05
1868,0.0012,0.0,3.3000000000000004e-08,3.17e-05
1869,0.00126,0.0,3.46e-08,3.32e-05
1870,0.00132,0.0,3.63e-08,3.48e-05
1871,0.00139,0.0,3.81e-08,3.65e-05
1872,0.00146,0.0,3.99e-08,3.83e-05
1873,0.0015300000000000001,0.0,4.1900000000000005e-08,4.02e-05
1874,0.0016,0.0,4.4e-08,4.22e-05
1875,0.0016799999999999999,0.0,4.62e-08,4.43e-05
1876,0.00177,0.0,4.85e-08,4.65e-05
1877,0.00185,0.0,5.08e-08,4.87e-05
1878,0.0019399999999999999,0.0,5.32e-08,5.1e-05
1879,0.0020299999999999997,0.0,5.5699999999999996e-08,5.3400000000000004e-05
1880,0.00212,0.0,5.82e-08,5.58e-05
1881,0.00221,0.0,6.07e-08,5.82e-05
1882,0.00231,0.0,6.329999999999999e-08,6.07e-05
1883,0.0024100000000000002,0.0,6.600000000000001e-08,6.33e-05
1884,0.0025099999999999996,0.0,6.880000000000001e-08,6.6e-05
1885,0.00261,0.0,7.17e-08,6.87e-05
1886,0.00272,0.0,7.47e-08,7.159999999999999e-05
1887,0.00283,0.0,7.77e-08,7.45e-05
1888,0.0029500000000000004,0.0,8.09e-08,7.76e-05
1889,0.00307,0.0,8.430000000000001e-08,8.08e-05
1890,0.00302,0.0,8.3e-08,7.950000000000001e-05
1891,0.00314,0.0,8.610000000000001e-08,8.25e-05
1892,0.00326,0.0,8.949999999999999e-08,8.58e-05
1893,0.0033900000000000002,0.0,9.309999999999999e-08,8.92e-05
1894,0.0035299999999999997,0.0,9.69e-08,9.29e-05
1895,0.00368,0.0,1.01e-07,9.68e-05
1896,0.00367,0.0,1.01e-07,9.64e-05
1897,0.0513,0.0,1.41e-06,0.00135
1898,0.114,0.0,3.1199999999999998e-06,0.00299
1899,0.08070000000000001,0.0,2.21e-06,0.00212
1900,0.11,0.0,3.0200000000000003e-06,0.00289
1901,0.176,1.09e-05,4.83e-06,0.00463
1902,0.257,4.31e-05,7.04e-06,0.00675
1903,0.216,9.54e-05,5.94e-06,0.005690000000000001
1904,0.22,0.00016700000000000002,6.040000000000001e-06,0.00579
1905,0.253,0.000257,6.94e-06,0.0066500000000000005
1906,0.275,0.000364,7.54e-06,0.00723
1907,0.359,0.00048699999999999997,9.86e-06,0.00945
1908,0.411,0.000626,1.1299999999999999e-05,0.0108
1909,0.488,0.0007790000000000001,1.34e-05,0.0128
1910,0.616,0.000945,1.6899999999999997e-05,0.0162
1911,0.678,0.00124,1.8599999999999998e-05,0.0178
1912,0.741,0.00177,2.03e-05,0.0195
1913,0.854,0.0025099999999999996,2.34e-05,0.0225
1914,0.92,0.00342,2.52e-05,0.0242
1915,1.02,0.00447,2.79e-05,0.026699999999999998
1916,1.39,0.00564,3.8e-05,0.0365
1917,1.8,0.006889999999999999,4.94e-05,0.0474
1918,2.15,0.008199999999999999,5.88e-05,0.0564
1919,2.91,0.00954,7.99e-05,0.07659999999999999
1920,3.05,0.0109,8.36e-05,0.08009999999999999
1921,2.76,0.0123,7.56e-05,0.0725
1922,3.58,0.013800000000000002,9.810000000000001e-05,0.094
1923,3.84,0.0154,0.00010499999999999999,0.101
1924,4.0,0.0172,0.00011,0.105
1925,4.5,0.019100000000000002,0.000123,0.118
1926,4.76,0.0212,0.00013000000000000002,0.125
1927,4.93,0.023399999999999997,0.000135,0.13
1928,4.21,0.0257,0.000115,0.111
1929,4.19,0.0281,0.000115,0.11
1930,4.25,0.030699999999999998,0.000116,0.112
1931,3.78,0.034,0.000104,0.0993
1932,3.6,0.038200000000000005,9.87e-05,0.09459999999999999
1933,4.2,0.0432,0.000115,0.11
1934,4.18,0.0485,0.000115,0.11
1935,4.37,0.053899999999999997,0.00011999999999999999,0.115
1936,4.74,0.059,0.00013000000000000002,0.125
1937,5.26,0.0635,0.00014399999999999998,0.138
1938,5.91,0.06720000000000001,0.000162,0.155
1939,7.19,0.0696,0.00019700000000000002,0.189
1940,7.78,0.0704,0.000213,0.204
1941,7.83,0.176,0.000215,0.206
1942,6.31,0.182,0.00017299999999999998,0.166
1943,6.28,0.221,0.00017199999999999998,0.165
1944,4.52,0.187,0.000124,0.119
1945,2.19,0.177,6.0100000000000004e-05,0.0576
1946,2.87,0.167,7.87e-05,0.07540000000000001
1947,3.53,0.158,9.68e-05,0.0928
1948,4.43,0.178,0.000122,0.116
1949,4.33,0.207,0.00011899999999999999,0.114
1950,3.62,0.225,9.93e-05,0.0952
1951,4.72,0.29,0.000129,0.124
1952,6.17,0.417,0.00016900000000000002,0.162
1953,6.22,0.597,0.000171,0.164
1954,6.23,0.779,0.000171,0.164
1955,6.92,0.995,0.00019,0.182
1956,7.41,1.19,0.000203,0.195
1957,7.9,1.37,0.000216,0.208
1958,9.09,1.72,0.000249,0.239
1959,10.5,1.84,0.000287,0.275
1960,11.3,1.93,0.00031,0.297
1961,11.8,2.09,0.000324,0.31
1962,13.3,2.26,0.000364,0.349
1963,14.0,2.43,0.000384,0.368
1964,15.8,2.47,0.000432,0.414
1965,16.7,2.49,0.000457,0.438
1966,18.0,2.81,0.000492,0.472
1967,20.3,2.98,0.0005560000000000001,0.533
1968,22.2,3.21,0.000609,0.583
1969,24.4,3.25,0.000666,0.639
1970,26.7,3.63,0.000749,0.462
1971,29.1,3.93,0.000749,0.51
1972,33.1,4.38,0.000776,0.541
1973,37.3,4.59,0.0008020000000000001,0.67
1974,36.3,4.5,0.000829,0.768
1975,40.2,4.83,0.000869,0.776
1976,51.9,6.0,0.000924,0.734
1977,56.3,6.76,0.00098,0.792
1978,65.9,7.53,0.0010400000000000001,0.792
1979,70.5,7.64,0.0011,0.831
1980,77.2,8.7,0.00116,0.81
1981,68.4,8.79,0.00122,0.64
1982,69.2,8.0,0.0012900000000000001,0.631
1983,76.4,8.53,0.00135,0.69
1984,78.4,8.22,0.0014199999999999998,0.737
1985,78.4,9.58,0.00149,0.7
1986,87.8,9.92,0.00155,0.678
1987,91.4,10.2,0.0016200000000000001,0.638
1988,106.0,11.3,0.0016799999999999999,0.632
1989,116.0,11.5,0.00175,0.612
1990,116.0,11.7,0.00181,0.611
1991,126.0,12.2,0.00188,0.636
1992,136.0,13.2,0.015300000000000001,0.518
1993,146.0,14.0,0.0148,0.569
1994,154.0,13.7,0.0259,0.584
1995,164.0,13.7,0.0935,0.595
1996,173.0,13.5,0.091,0.613
1997,189.0,14.0,0.0247,0.167
1998,192.0,13.4,0.0275,0.382
1999,199.0,12.7,0.015300000000000001,0.489
2000,212.0,12.4,0.060899999999999996,0.542
2001,220.0,12.6,0.127,0.492
2002,229.0,13.6,0.144,0.465
2003,239.0,13.3,0.098,0.473
2004,253.0,13.7,0.12,0.508
2005,251.0,14.0,0.0818,0.507
2006,259.0,13.8,0.11,0.52
2007,270.0,13.9,0.132,0.543
2008,255.0,13.3,0.104,0.548
2009,242.0,12.8,0.0362,0.591
2010,263.0,13.6,0.0489,0.616
2011,263.0,14.2,0.027,0.615
2012,252.0,14.1,0.0143,0.622
2013,254.0,15.0,0.0011799999999999998,0.663
2014,258.0,14.3,0.0011899999999999999,0.672
2015,255.0,13.8,0.0012,0.929
2016,263.0,13.6,0.0012,0.974
2017,271.0,13.9,0.0012,1.04
2018,270.0,14.2,0.0012,1.11