year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,24.9,0.485,2.96,3.64e-16,14.5
1851,25.4,0.495,3.0,0.0223,14.6
1852,26.9,0.532,3.05,0.0446,14.6
1853,30.7,0.623,3.11,0.0668,14.7
1854,34.5,0.717,3.17,0.0891,14.8
1855,38.4,0.81,3.23,0.111,14.9
1856,40.1,0.848,3.27,0.134,15.0
1857,40.9,0.864,3.31,0.156,15.1
1858,40.4,0.847,3.34,0.178,15.2
1859,41.0,0.857,3.38,0.201,15.4
1860,44.2,0.933,3.43,0.223,15.5
1861,47.5,1.01,3.48,0.245,15.7
1862,50.0,1.06,3.53,0.267,15.8
1863,50.9,1.08,3.56,0.29,16.0
1864,53.8,1.14,3.61,0.312,16.2
1865,56.5,1.2,3.65,0.334,16.4
1866,61.0,1.31,3.71,0.356,16.6
1867,62.0,1.32,3.75,0.379,16.8
1868,63.6,1.35,3.79,0.401,17.0
1869,65.3,1.39,3.83,0.423,17.2
1870,59.4,1.23,3.83,0.446,17.5
1871,59.5,1.23,3.87,0.468,17.7
1872,70.4,1.48,3.98,0.49,18.1
1873,75.6,1.6,4.06,0.512,18.5
1874,72.9,1.53,4.09,0.535,18.9
1875,75.9,1.59,4.16,0.557,19.3
1876,76.5,1.59,4.22,0.579,19.8
1877,75.6,1.56,4.26,0.602,20.2
1878,77.3,1.59,4.32,0.624,20.6
1879,80.1,1.64,4.39,0.646,21.0
1880,89.0,1.85,4.5,0.668,21.4
1881,91.3,1.9,4.56,0.691,21.8
1882,96.0,2.0,4.63,0.713,22.1
1883,100.0,2.1,4.71,0.735,22.5
1884,97.6,2.02,4.74,0.757,22.8
1885,95.0,1.94,4.77,0.78,23.1
1886,94.8,1.92,4.81,0.802,23.5
1887,99.5,2.03,4.89,0.824,23.8
1888,103.0,2.11,4.96,0.847,24.2
1889,106.0,2.16,5.03,0.869,24.6
1890,116.0,2.19,5.15,0.891,20.9
1891,117.0,2.2,5.22,0.913,23.9
1892,117.0,2.21,5.29,0.936,26.6
1893,116.0,2.22,5.35,0.958,29.1
1894,123.0,2.24,5.45,0.98,31.4
1895,124.0,2.26,5.53,1.0,33.4
1896,128.0,2.28,5.62,1.02,35.1
1897,134.0,2.3,5.72,1.05,36.5
1898,138.0,2.32,5.82,1.07,37.5
1899,144.0,2.34,5.92,1.09,38.2
1900,154.0,2.36,6.05,1.11,38.4
1901,151.0,2.38,6.09,1.14,38.2
1902,144.0,2.4,6.12,1.16,37.5
1903,157.0,2.41,6.26,1.18,36.7
1904,155.0,2.43,6.32,1.2,35.6
1905,157.0,2.46,6.4,1.23,34.4
1906,167.0,2.48,6.53,1.25,33.2
1907,177.0,2.5,6.66,1.27,32.1
1908,178.0,2.53,6.75,1.29,31.2
1909,182.0,2.55,6.84,1.31,30.6
1910,183.0,2.58,6.93,1.34,30.4
1911,189.0,2.61,7.05,1.36,30.4
1912,191.0,2.64,7.14,1.38,30.5
1913,203.0,2.67,7.3,1.4,30.7
1914,151.0,2.71,7.06,1.43,30.7
1915,136.0,2.74,7.05,1.45,30.9
1916,142.0,2.78,7.17,1.47,31.1
1917,153.0,2.83,7.33,1.49,31.4
1918,140.0,2.88,7.34,1.51,31.6
1919,147.0,2.94,7.48,1.54,31.9
1920,182.0,3.0,7.78,1.56,32.3
1921,169.0,3.15,7.79,1.58,32.6
1922,194.0,3.43,8.03,1.6,33.1
1923,215.0,3.82,8.25,1.63,33.6
1924,238.0,4.29,8.49,1.65,34.2
1925,246.0,4.82,8.62,1.67,34.9
1926,247.0,5.37,8.72,1.69,35.5
1927,247.0,9.17,8.8,1.72,36.2
1928,245.0,9.22,8.88,1.74,36.8
1929,266.0,10.7,9.1,1.76,37.5
1930,270.0,10.6,9.22,1.78,38.1
1931,251.0,10.9,9.18,1.8,38.7
1932,226.0,11.4,9.1,1.83,39.4
1933,233.0,11.6,9.22,1.85,40.2
1934,235.0,12.3,9.31,1.87,41.0
1935,230.0,12.5,9.35,1.89,41.8
1936,232.0,13.2,9.44,1.92,42.5
1937,252.0,13.6,9.66,1.94,43.2
1938,238.0,14.0,9.67,1.96,43.7
1939,231.0,14.5,9.75,1.98,44.0
1940,176.0,14.9,9.53,2.01,44.0
1941,156.0,15.3,9.62,2.03,44.2
1942,159.0,15.2,9.95,2.05,45.0
1943,161.0,16.0,10.4,2.07,46.2
1944,117.0,15.5,10.5,2.09,47.6
1945,143.0,16.1,11.2,2.12,49.2
1946,199.0,17.0,12.0,2.14,50.9
1947,215.0,18.7,12.6,2.16,52.5
1948,226.0,20.4,13.1,2.18,53.7
1949,257.0,21.9,13.7,2.21,54.7
1950,231.0,23.3,13.8,2.23,55.0
1951,257.0,25.1,14.2,2.25,55.4
1952,256.0,27.2,14.4,2.27,56.0
1953,244.0,29.7,14.5,2.29,56.7
1954,256.0,32.5,14.8,2.32,57.7
1955,269.0,35.8,15.1,2.34,58.8
1956,298.0,39.3,15.4,2.36,59.9
1957,307.0,43.2,15.6,2.38,60.9
1958,296.0,46.9,15.6,2.41,61.7
1959,292.0,50.4,15.7,2.43,62.3
1960,301.0,53.6,15.8,2.45,62.7
1961,311.0,57.6,15.8,2.47,64.9
1962,327.0,62.2,16.0,2.5,67.4
1963,361.0,66.9,16.2,2.52,67.1
1964,371.0,73.1,16.3,2.54,66.9
1965,378.0,77.7,16.4,2.56,67.8
1966,373.0,82.4,16.4,2.58,69.0
1967,397.0,87.0,16.6,2.61,71.9
1968,409.0,91.3,16.7,2.63,73.8
1969,436.0,96.1,16.9,2.65,73.2
1970,467.0,90.7,16.2,2.35,74.8
1971,484.0,90.9,17.0,2.4,76.0
1972,499.0,94.6,17.1,2.48,76.9
1973,532.0,97.3,17.3,2.66,80.5
1974,512.0,99.2,17.5,2.63,80.9
1975,460.0,90.5,17.4,2.54,82.3
1976,517.0,90.2,17.5,2.72,83.0
1977,491.0,90.4,17.6,2.65,83.1
1978,512.0,88.7,17.6,2.79,84.5
1979,536.0,89.8,17.7,2.79,85.9
1980,514.0,87.6,17.7,2.71,86.2
1981,464.0,84.9,17.7,2.52,86.4
1982,446.0,79.5,17.7,2.47,86.3
1983,432.0,79.2,17.8,2.41,87.2
1984,416.0,81.3,17.9,2.35,88.1
1985,411.0,76.7,17.8,2.31,87.1
1986,395.0,76.1,17.9,2.29,87.3
1987,385.0,76.1,17.8,2.31,84.4
1988,379.0,76.0,17.6,2.32,82.8
1989,400.0,73.7,17.6,2.31,82.9
1990,387.0,67.5,17.6,2.32,82.7
1991,413.0,67.6,18.2,2.37,82.2
1992,404.0,65.5,19.0,2.3,80.8
1993,384.0,63.1,19.8,2.2,79.8
1994,377.0,64.2,20.4,2.11,79.4
1995,385.0,64.2,20.8,2.1,80.1
1996,400.0,64.7,21.1,2.05,80.5
1997,392.0,65.4,21.2,1.94,80.9
1998,410.0,59.9,21.7,1.93,80.8
1999,406.0,55.6,21.9,1.79,81.3
2000,398.0,54.3,22.3,1.72,83.1
2001,405.0,54.2,22.5,1.69,82.5
2002,400.0,54.3,22.6,1.62,81.2
2003,406.0,55.0,22.7,1.6,78.4
2004,405.0,53.7,22.4,1.57,78.8
2005,408.0,53.6,22.2,1.54,77.6
2006,397.0,52.7,22.0,1.49,77.2
2007,386.0,53.1,21.7,1.46,78.1
2008,380.0,51.0,21.5,1.43,78.8
2009,367.0,46.0,20.9,1.37,78.0
2010,374.0,47.6,21.0,1.39,76.8
2011,347.0,47.0,20.5,1.33,76.1
2012,351.0,45.0,19.8,1.38,75.9
2013,353.0,45.2,19.4,1.35,75.5
2014,321.0,44.9,19.1,1.28,77.5
2015,327.0,44.1,18.1,1.31,77.3
2016,331.0,43.9,17.8,1.24,76.0
2017,335.0,43.8,18.2,1.21,76.5
2018,321.0,41.2,17.6,1.18,75.0