year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,24.2,0.46,4.51,3.64e-16,17.1
1851,24.6,0.469,4.57,0.0223,17.2
1852,26.2,0.505,4.63,0.0446,17.2
1853,30.0,0.593,4.71,0.0668,17.3
1854,34.0,0.683,4.78,0.0891,17.4
1855,37.9,0.772,4.85,0.111,17.5
1856,39.6,0.808,4.91,0.134,17.7
1857,40.3,0.824,4.96,0.156,17.8
1858,39.8,0.808,5.02,0.178,17.9
1859,40.3,0.817,5.07,0.201,18.1
1860,43.6,0.89,5.13,0.223,18.3
1861,46.9,0.962,5.2,0.245,18.4
1862,49.4,1.02,5.26,0.267,18.6
1863,50.3,1.03,5.31,0.29,18.8
1864,53.2,1.09,5.36,0.312,19.1
1865,55.9,1.15,5.42,0.334,19.3
1866,60.4,1.25,5.48,0.356,19.5
1867,61.3,1.27,5.54,0.379,19.8
1868,62.9,1.29,5.59,0.401,20.1
1869,64.6,1.33,5.65,0.423,20.3
1870,58.4,1.18,5.69,0.446,20.6
1871,58.5,1.17,5.75,0.468,20.9
1872,69.5,1.42,5.86,0.49,21.3
1873,74.7,1.53,5.96,0.512,21.8
1874,71.9,1.46,6.03,0.535,22.2
1875,74.9,1.52,6.12,0.557,22.7
1876,75.3,1.52,6.21,0.579,23.2
1877,74.3,1.49,6.29,0.602,23.7
1878,76.0,1.52,6.38,0.624,24.2
1879,78.6,1.57,6.47,0.646,24.7
1880,87.6,1.77,6.58,0.668,25.1
1881,89.9,1.82,6.67,0.691,25.5
1882,94.6,1.92,6.76,0.713,25.9
1883,99.0,2.01,6.86,0.735,26.3
1884,96.0,1.93,6.92,0.757,26.7
1885,93.2,1.86,6.99,0.78,27.2
1886,92.9,1.84,7.06,0.802,27.6
1887,97.5,1.94,7.16,0.824,28.0
1888,101.0,2.02,7.25,0.847,28.4
1889,104.0,2.07,7.34,0.869,28.8
1890,114.0,2.1,7.49,0.891,24.6
1891,114.0,2.11,7.59,0.913,28.0
1892,115.0,2.11,7.7,0.936,31.2
1893,114.0,2.12,7.8,0.958,34.1
1894,120.0,2.13,7.93,0.98,36.8
1895,121.0,2.15,8.04,1.0,39.1
1896,126.0,2.16,8.17,1.02,41.1
1897,131.0,2.17,8.3,1.05,42.7
1898,135.0,2.19,8.42,1.07,43.8
1899,141.0,2.2,8.55,1.09,44.6
1900,151.0,2.22,8.7,1.11,44.8
1901,147.0,2.23,8.8,1.14,44.6
1902,141.0,2.25,8.88,1.16,43.8
1903,153.0,2.26,9.04,1.18,42.8
1904,151.0,2.28,9.14,1.2,41.5
1905,153.0,2.3,9.26,1.23,40.1
1906,163.0,2.32,9.41,1.25,38.7
1907,172.0,2.34,9.57,1.27,37.5
1908,174.0,2.36,9.69,1.29,36.4
1909,178.0,2.38,9.83,1.31,35.7
1910,179.0,2.4,9.95,1.34,35.4
1911,185.0,2.43,10.1,1.36,35.5
1912,187.0,2.45,10.2,1.38,35.6
1913,199.0,2.48,10.4,1.4,35.7
1914,146.0,2.51,10.3,1.43,35.8
1915,130.0,2.54,10.4,1.45,36.0
1916,136.0,2.57,10.6,1.47,36.3
1917,148.0,2.61,10.8,1.49,36.6
1918,135.0,2.65,10.8,1.51,36.9
1919,142.0,2.7,11.0,1.54,37.2
1920,178.0,2.76,11.3,1.56,37.6
1921,164.0,2.87,11.4,1.58,38.0
1922,190.0,3.07,11.6,1.6,38.5
1923,212.0,3.35,11.8,1.63,39.2
1924,235.0,3.68,12.1,1.65,39.9
1925,243.0,4.05,12.2,1.67,40.7
1926,243.0,4.44,12.4,1.69,41.4
1927,243.0,7.28,12.5,1.72,42.2
1928,240.0,7.28,12.7,1.74,43.0
1929,263.0,8.37,12.9,1.76,43.8
1930,267.0,8.24,13.0,1.78,44.5
1931,246.0,8.45,13.1,1.8,45.3
1932,221.0,8.83,13.1,1.83,46.1
1933,229.0,9.0,13.3,1.85,47.0
1934,231.0,9.51,13.4,1.87,47.9
1935,225.0,9.7,13.5,1.89,48.8
1936,228.0,10.3,13.6,1.92,49.6
1937,247.0,10.5,13.8,1.94,50.4
1938,234.0,10.9,13.9,1.96,50.9
1939,227.0,11.2,14.1,1.98,51.3
1940,170.0,11.6,14.1,2.01,51.3
1941,150.0,11.9,14.3,2.03,51.5
1942,153.0,11.8,14.8,2.05,52.3
1943,155.0,12.4,15.5,2.07,53.5
1944,110.0,12.0,16.0,2.09,54.8
1945,137.0,12.4,16.9,2.12,56.4
1946,194.0,13.1,17.9,2.14,58.0
1947,211.0,14.4,18.7,2.16,59.5
1948,223.0,15.7,19.4,2.18,60.7
1949,255.0,16.8,20.1,2.21,61.6
1950,228.0,17.8,20.4,2.23,61.9
1951,254.0,19.3,20.9,2.25,62.3
1952,253.0,20.9,21.2,2.27,62.9
1953,240.0,23.0,21.5,2.29,63.9
1954,253.0,25.3,21.9,2.32,65.0
1955,266.0,28.0,22.2,2.34,66.2
1956,296.0,30.9,22.6,2.36,67.4
1957,305.0,34.1,22.8,2.38,68.6
1958,294.0,37.2,23.0,2.41,69.5
1959,289.0,40.1,23.1,2.43,70.2
1960,299.0,42.7,23.1,2.45,70.7
1961,309.0,46.0,23.2,2.47,72.9
1962,325.0,49.7,23.3,2.5,75.7
1963,360.0,53.5,23.5,2.52,75.1
1964,371.0,58.5,23.6,2.54,74.7
1965,377.0,62.3,23.7,2.56,75.7
1966,372.0,66.1,23.7,2.58,77.0
1967,397.0,69.9,23.8,2.61,80.1
1968,410.0,73.5,23.9,2.63,82.1
1969,437.0,77.0,24.1,2.65,81.3
1970,467.0,72.8,23.6,2.35,82.9
1971,486.0,73.8,24.9,2.4,84.1
1972,502.0,76.5,25.1,2.48,85.0
1973,536.0,79.4,25.4,2.66,88.7
1974,517.0,81.4,25.6,2.63,89.5
1975,465.0,74.0,25.5,2.54,91.0
1976,524.0,74.4,25.7,2.72,91.6
1977,497.0,75.0,26.0,2.65,91.6
1978,520.0,73.8,26.0,2.79,92.9
1979,544.0,74.8,26.2,2.79,94.3
1980,521.0,72.8,26.1,2.71,94.6
1981,470.0,70.5,26.2,2.52,94.6
1982,453.0,67.0,26.2,2.47,94.5
1983,439.0,67.5,26.3,2.41,95.4
1984,423.0,69.7,26.5,2.35,96.3
1985,418.0,67.3,26.4,2.31,95.0
1986,401.0,66.7,26.5,2.29,95.1
1987,392.0,66.2,26.3,2.31,91.7
1988,386.0,66.4,26.1,2.32,89.8
1989,403.0,65.2,26.1,2.31,89.8
1990,387.0,60.7,25.9,2.32,88.7
1991,402.0,60.4,24.8,2.37,87.8
1992,380.0,62.6,25.8,2.3,83.8
1993,374.0,64.7,24.9,2.2,83.2
1994,350.0,62.0,24.4,2.11,83.7
1995,363.0,58.0,24.2,2.1,84.2
1996,388.0,59.8,23.8,2.05,85.4
1997,364.0,60.7,23.5,1.94,84.6
1998,390.0,50.9,23.4,1.93,84.3
1999,381.0,47.6,23.3,1.79,84.4
2000,374.0,49.6,23.9,1.72,85.6
2001,392.0,49.2,23.8,1.69,85.6
2002,390.0,48.3,23.9,1.62,83.4
2003,395.0,48.8,23.7,1.6,81.7
2004,397.0,48.3,23.7,1.57,81.4
2005,400.0,47.7,23.4,1.54,79.8
2006,388.0,47.5,23.1,1.49,79.4
2007,383.0,49.2,23.0,1.46,81.2
2008,381.0,48.2,22.9,1.43,80.2
2009,368.0,52.4,22.1,1.37,78.1
2010,370.0,56.3,22.6,1.39,78.2
2011,349.0,56.7,22.4,1.33,76.1
2012,351.0,54.6,22.4,1.38,76.5
2013,353.0,52.9,21.8,1.35,77.6
2014,322.0,49.8,21.5,1.28,77.8
2015,328.0,50.5,21.4,1.31,78.9
2016,334.0,50.1,21.1,1.24,77.2
2017,340.0,49.6,21.4,1.21,77.5
2018,328.0,45.9,21.2,1.18,76.4