year,IPC1,IPC2,IPC4,IPCMAG
1850,0.004849999999999999,0.000356,3.7900000000000006e-05,1.89e-07
1851,0.00511,0.000375,3.99e-05,1.9900000000000002e-07
1852,0.00538,0.000395,4.21e-05,2.1e-07
1853,0.005679999999999999,0.000417,4.44e-05,2.21e-07
1854,0.0059900000000000005,0.00044,4.6899999999999995e-05,2.34e-07
1855,0.00632,0.000464,4.94e-05,2.46e-07
1856,0.00666,0.000489,5.21e-05,2.6e-07
1857,0.007019999999999999,0.000516,5.49e-05,2.74e-07
1858,0.0074,0.0005430000000000001,5.7799999999999995e-05,2.88e-07
1859,0.0077800000000000005,0.000571,6.09e-05,3.03e-07
1860,0.00818,0.0006,6.39e-05,3.19e-07
1861,0.00859,0.00063,6.72e-05,3.35e-07
1862,0.00902,0.000662,7.049999999999999e-05,3.52e-07
1863,0.009470000000000001,0.000695,7.41e-05,3.6900000000000004e-07
1864,0.00994,0.00073,7.77e-05,3.88e-07
1865,0.0104,0.000766,8.16e-05,4.0700000000000003e-07
1866,0.0109,0.000804,8.56e-05,4.27e-07
1867,0.0115,0.000843,8.98e-05,4.48e-07
1868,0.0112,0.000823,8.77e-05,4.37e-07
1869,0.018699999999999998,0.0013700000000000001,0.000146,7.29e-07
1870,0.015,0.0011,0.00011700000000000001,5.83e-07
1871,0.0299,0.0022,0.00023400000000000002,1.17e-06
1872,0.033600000000000005,0.0024700000000000004,0.000263,1.31e-06
1873,0.041100000000000005,0.00302,0.000322,1.6000000000000001e-06
1874,0.598,0.0439,0.00468,2.33e-05
1875,1.47,0.108,0.0115,5.73e-05
1876,1.43,0.105,0.0112,5.58e-05
1877,1.32,0.09659999999999999,0.0103,5.13e-05
1878,1.9,0.139,0.0148,7.39e-05
1879,2.37,0.174,0.0185,9.23e-05
1880,2.4,0.176,0.018699999999999998,9.35e-05
1881,2.46,0.181,0.0193,9.61e-05
1882,2.56,0.188,0.0201,0.0001
1883,2.76,0.203,0.0216,0.000108
1884,3.02,0.221,0.023600000000000003,0.000118
1885,3.42,0.251,0.0268,0.000133
1886,3.67,0.27,0.0287,0.00014299999999999998
1887,4.57,0.335,0.0357,0.000178
1888,5.27,0.387,0.041299999999999996,0.000206
1889,6.38,0.468,0.0499,0.000249
1890,6.86,0.412,0.053899999999999997,0.00026900000000000003
1891,8.34,0.419,0.0648,0.000323
1892,8.4,0.429,0.0644,0.000321
1893,9.02,0.44,0.0684,0.00034100000000000005
1894,11.6,0.453,0.0879,0.000439
1895,12.9,0.467,0.09759999999999999,0.00048699999999999997
1896,13.8,0.482,0.103,0.000514
1897,14.5,0.498,0.108,0.000539
1898,18.4,0.515,0.138,0.0006860000000000001
1899,18.5,0.533,0.138,0.000687
1900,20.8,0.551,0.155,0.000772
1901,24.9,0.57,0.186,0.0009260000000000001
1902,26.7,0.592,0.199,0.000993
1903,27.8,0.615,0.206,0.00103
1904,31.2,0.64,0.232,0.00116
1905,32.3,0.667,0.239,0.0011899999999999999
1906,35.4,0.696,0.262,0.00131
1907,37.8,0.727,0.28,0.0014
1908,40.6,0.759,0.3,0.0015
1909,41.4,0.794,0.305,0.00152
1910,42.6,0.83,0.314,0.00157
1911,47.5,0.869,0.353,0.00176
1912,52.7,0.912,0.393,0.00196
1913,57.8,0.958,0.433,0.00216
1914,61.6,1.01,0.463,0.00231
1915,56.5,1.06,0.422,0.0021000000000000003
1916,62.4,1.12,0.468,0.00233
1917,71.3,1.18,0.538,0.00269
1918,75.4,1.25,0.571,0.00285
1919,83.1,1.32,0.632,0.00315
1920,78.2,1.39,0.593,0.00296
1921,70.7,1.47,0.533,0.00266
1922,75.3,1.55,0.57,0.0028399999999999996
1923,79.7,1.65,0.606,0.00302
1924,83.1,1.75,0.633,0.00316
1925,85.7,1.85,0.654,0.00326
1926,86.3,1.97,0.659,0.00329
1927,93.1,3.87,0.714,0.0035600000000000002
1928,94.1,4.12,0.722,0.0036
1929,96.3,4.47,0.74,0.00369
1930,87.9,4.36,0.673,0.00335
1931,79.7,4.48,0.607,0.0030299999999999997
1932,79.7,4.77,0.608,0.0030299999999999997
1933,92.6,5.58,0.71,0.00354
1934,103.0,5.81,0.789,0.00394
1935,107.0,6.72,0.826,0.00412
1936,117.0,7.18,0.908,0.00453
1937,126.0,7.34,0.977,0.00487
1938,133.0,7.29,1.03,0.00513
1939,129.0,7.21,0.999,0.00498
1940,155.0,6.85,1.21,0.00601
1941,156.0,7.59,1.21,0.00604
1942,149.0,6.76,1.16,0.0058
1943,153.0,6.31,1.19,0.00592
1944,141.0,5.73,1.1,0.00546
1945,79.8,4.64,0.607,0.0030299999999999997
1946,55.9,4.32,0.417,0.0020800000000000003
1947,73.1,4.28,0.554,0.00276
1948,90.8,4.44,0.695,0.00347
1949,100.0,5.04,0.772,0.00385
1950,104.0,5.58,0.801,0.0039900000000000005
1951,124.0,6.84,0.959,0.00478
1952,131.0,7.77,1.01,0.00505
1953,146.0,9.59,1.13,0.00563
1954,142.0,11.8,1.1,0.00546
1955,141.0,13.3,1.09,0.00544
1956,159.0,16.3,1.23,0.00614
1957,186.0,19.2,1.44,0.00718
1958,180.0,21.0,1.39,0.00691
1959,190.0,24.1,1.47,0.00732
1960,228.0,28.6,1.77,0.00881
1961,278.0,31.7,2.16,0.0108
1962,286.0,36.1,2.22,0.0111
1963,318.0,39.4,2.47,0.0123
1964,351.0,43.8,2.73,0.0136
1965,379.0,46.7,2.95,0.0147
1966,409.0,52.4,3.19,0.0159
1967,477.0,57.7,3.73,0.018600000000000002
1968,548.0,62.8,4.3,0.0214
1969,638.0,67.1,5.01,0.025
1970,756.0,65.3,4.31,0.369
1971,784.0,65.6,4.18,0.365
1972,837.0,71.5,4.06,0.385
1973,891.0,78.8,4.06,0.47
1974,908.0,75.0,3.98,0.372
1975,858.0,65.5,3.92,0.376
1976,895.0,69.4,3.86,0.414
1977,918.0,70.7,3.79,0.408
1978,880.0,76.9,3.73,0.389
1979,930.0,80.0,3.69,0.412
1980,945.0,77.3,3.66,1.16
1981,936.0,72.2,3.63,1.28
1982,898.0,66.5,3.61,1.37
1983,880.0,65.1,3.57,1.4
1984,943.0,66.9,3.52,1.38
1985,919.0,63.4,3.5,1.32
1986,919.0,61.0,3.46,1.35
1987,910.0,61.1,3.4,1.25
1988,992.0,65.5,3.36,1.26
1989,1030.0,67.5,3.31,1.25
1990,1070.0,70.5,3.34,1.17
1991,1070.0,72.2,3.37,1.1
1992,1090.0,72.0,3.77,1.06
1993,1080.0,70.3,3.72,1.08
1994,1140.0,72.8,4.68,1.14
1995,1150.0,74.0,4.83,1.13
1996,1170.0,74.7,4.86,1.07
1997,1170.0,72.6,5.22,1.06
1998,1130.0,66.1,5.25,1.04
1999,1170.0,66.7,5.13,1.03
2000,1190.0,68.3,5.2,0.938
2001,1170.0,66.2,4.82,1.02
2002,1200.0,64.7,4.7,1.05
2003,1220.0,64.6,4.78,0.913
2004,1240.0,64.5,4.69,0.898
2005,1220.0,65.5,4.63,0.897
2006,1210.0,65.7,4.4,0.929
2007,1230.0,64.6,4.37,0.864
2008,1190.0,60.1,4.99,0.837
2009,1090.0,54.8,3.94,0.848
2010,1150.0,56.5,4.22,0.784
2011,1170.0,55.4,3.91,0.76
2012,1210.0,55.1,4.12,0.782
2013,1220.0,57.0,4.06,0.819
2014,1190.0,56.5,4.02,7.94
2015,1150.0,55.4,4.03,7.27
2016,1140.0,55.0,4.0,8.56
2017,1130.0,55.2,3.96,10.1
2018,1110.0,53.9,3.93,11.9