year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,23.5,0.459,3.82,3.79e-16,14.7
1851,23.9,0.469,3.87,0.0232,14.8
1852,25.5,0.504,3.93,0.0464,14.8
1853,29.3,0.592,3.99,0.0695,14.9
1854,33.3,0.682,4.05,0.0927,15.0
1855,37.2,0.771,4.11,0.116,15.1
1856,38.8,0.808,4.17,0.139,15.2
1857,39.6,0.823,4.21,0.162,15.3
1858,39.0,0.807,4.26,0.185,15.4
1859,39.6,0.816,4.3,0.209,15.6
1860,42.8,0.889,4.36,0.232,15.7
1861,46.1,0.961,4.41,0.255,15.9
1862,48.5,1.01,4.46,0.278,16.0
1863,49.4,1.03,4.51,0.301,16.2
1864,52.2,1.09,4.56,0.324,16.4
1865,54.9,1.15,4.61,0.348,16.6
1866,59.3,1.25,4.66,0.371,16.8
1867,60.3,1.26,4.71,0.394,17.0
1868,61.8,1.29,4.75,0.417,17.2
1869,63.4,1.33,4.81,0.44,17.5
1870,57.2,1.18,4.83,0.464,17.7
1871,57.2,1.17,4.88,0.487,18.0
1872,68.2,1.42,4.98,0.51,18.3
1873,73.4,1.53,5.07,0.533,18.7
1874,70.5,1.46,5.13,0.556,19.1
1875,73.4,1.52,5.21,0.579,19.6
1876,73.8,1.52,5.28,0.603,20.0
1877,72.7,1.49,5.35,0.626,20.5
1878,74.3,1.52,5.43,0.649,20.9
1879,76.9,1.57,5.51,0.672,21.3
1880,85.9,1.77,5.61,0.695,21.7
1881,88.1,1.82,5.69,0.718,22.1
1882,92.7,1.92,5.77,0.742,22.4
1883,97.1,2.01,5.85,0.765,22.8
1884,94.0,1.93,5.9,0.788,23.1
1885,91.1,1.86,5.95,0.811,23.5
1886,90.8,1.84,6.02,0.834,23.8
1887,95.4,1.94,6.1,0.857,24.2
1888,99.1,2.02,6.18,0.881,24.5
1889,102.0,2.07,6.26,0.904,24.9
1890,111.0,2.1,6.39,0.927,21.3
1891,112.0,2.1,6.48,0.95,24.2
1892,112.0,2.11,6.57,0.973,26.9
1893,111.0,2.12,6.65,0.997,29.5
1894,117.0,2.13,6.77,1.02,31.8
1895,119.0,2.14,6.86,1.04,33.8
1896,123.0,2.15,6.97,1.07,35.5
1897,128.0,2.17,7.08,1.09,36.9
1898,132.0,2.18,7.19,1.11,37.9
1899,138.0,2.19,7.3,1.14,38.5
1900,148.0,2.2,7.43,1.16,38.8
1901,144.0,2.22,7.51,1.18,38.5
1902,137.0,2.23,7.58,1.21,37.9
1903,150.0,2.25,7.72,1.23,37.0
1904,147.0,2.26,7.8,1.25,35.9
1905,149.0,2.28,7.91,1.27,34.7
1906,159.0,2.3,8.04,1.3,33.5
1907,168.0,2.32,8.18,1.32,32.4
1908,170.0,2.34,8.28,1.34,31.5
1909,174.0,2.36,8.4,1.37,30.9
1910,174.0,2.38,8.5,1.39,30.7
1911,181.0,2.41,8.63,1.41,30.7
1912,182.0,2.43,8.75,1.44,30.8
1913,195.0,2.46,8.91,1.46,30.9
1914,142.0,2.48,8.81,1.48,31.0
1915,126.0,2.51,8.87,1.51,31.1
1916,132.0,2.55,9.01,1.53,31.4
1917,144.0,2.58,9.17,1.55,31.6
1918,131.0,2.63,9.23,1.58,31.9
1919,138.0,2.67,9.38,1.6,32.2
1920,174.0,2.73,9.63,1.62,32.5
1921,160.0,2.83,9.7,1.65,32.8
1922,186.0,3.02,9.91,1.67,33.3
1923,208.0,3.27,10.1,1.69,33.9
1924,231.0,3.58,10.3,1.71,34.5
1925,239.0,3.92,10.5,1.74,35.2
1926,239.0,4.27,10.6,1.76,35.8
1927,239.0,7.08,10.7,1.78,36.5
1928,236.0,7.06,10.8,1.81,37.2
1929,258.0,8.12,11.0,1.83,37.9
1930,262.0,7.98,11.2,1.85,38.5
1931,242.0,8.19,11.2,1.88,39.1
1932,216.0,8.57,11.2,1.9,39.8
1933,224.0,8.75,11.3,1.92,40.6
1934,226.0,9.27,11.4,1.95,41.4
1935,220.0,9.48,11.5,1.97,42.2
1936,223.0,10.1,11.6,1.99,42.9
1937,243.0,10.3,11.8,2.02,43.5
1938,229.0,10.7,11.9,2.04,44.0
1939,222.0,11.1,12.0,2.06,44.3
1940,165.0,11.4,12.0,2.09,44.3
1941,146.0,11.7,12.2,2.11,44.6
1942,148.0,11.7,12.6,2.13,45.5
1943,151.0,12.2,13.2,2.16,46.7
1944,106.0,11.9,13.6,2.18,48.2
1945,132.0,12.3,14.3,2.2,49.9
1946,190.0,12.9,15.2,2.22,51.6
1947,207.0,14.2,15.9,2.25,53.2
1948,219.0,15.5,16.5,2.27,54.5
1949,251.0,16.6,17.2,2.29,55.5
1950,224.0,17.6,17.4,2.32,55.9
1951,250.0,19.1,17.8,2.34,56.2
1952,249.0,20.7,18.1,2.36,56.8
1953,236.0,22.8,18.3,2.39,57.6
1954,249.0,25.2,18.7,2.41,58.5
1955,262.0,27.9,19.0,2.43,59.6
1956,292.0,30.8,19.3,2.46,60.7
1957,301.0,34.1,19.5,2.48,61.7
1958,290.0,37.1,19.6,2.5,62.5
1959,285.0,40.1,19.7,2.53,63.1
1960,295.0,42.8,19.8,2.55,63.5
1961,304.0,46.1,19.9,2.57,65.7
1962,321.0,49.8,20.0,2.6,68.3
1963,356.0,53.6,20.1,2.62,67.9
1964,366.0,58.6,20.2,2.64,67.6
1965,373.0,62.4,20.3,2.67,68.5
1966,368.0,66.3,20.3,2.69,69.7
1967,393.0,70.1,20.5,2.71,72.6
1968,405.0,73.7,20.6,2.73,74.6
1969,433.0,77.3,20.7,2.76,73.9
1970,462.0,72.9,20.3,2.45,75.5
1971,482.0,73.9,21.4,2.49,76.7
1972,498.0,76.7,21.6,2.58,77.5
1973,533.0,79.7,21.8,2.76,81.1
1974,514.0,81.7,22.0,2.74,81.6
1975,462.0,74.2,21.9,2.64,83.0
1976,521.0,74.5,22.1,2.82,83.6
1977,494.0,75.1,22.3,2.76,83.7
1978,517.0,73.8,22.4,2.91,85.0
1979,541.0,74.8,22.5,2.9,86.4
1980,519.0,72.6,22.5,2.82,86.7
1981,468.0,70.3,22.5,2.62,86.8
1982,450.0,66.9,22.5,2.57,86.8
1983,436.0,67.4,22.6,2.51,87.6
1984,420.0,69.6,22.8,2.44,88.5
1985,416.0,67.5,22.7,2.41,87.5
1986,399.0,66.8,22.8,2.38,87.7
1987,390.0,66.1,22.6,2.4,84.7
1988,384.0,66.2,22.4,2.41,83.1
1989,401.0,65.0,22.4,2.4,83.2
1990,385.0,60.1,22.2,2.41,82.1
1991,400.0,59.6,21.3,2.47,81.4
1992,378.0,61.4,22.2,2.39,77.4
1993,372.0,62.9,21.5,2.29,76.9
1994,348.0,60.8,21.1,2.2,77.4
1995,361.0,57.8,20.9,2.18,78.0
1996,387.0,59.6,20.6,2.13,79.3
1997,362.0,60.3,20.3,2.02,78.5
1998,389.0,49.8,20.2,2.01,78.3
1999,380.0,46.3,20.1,1.86,78.4
2000,373.0,48.1,20.8,1.79,79.2
2001,390.0,47.5,20.7,1.76,79.3
2002,389.0,46.4,20.9,1.68,77.2
2003,394.0,46.8,20.7,1.66,75.7
2004,396.0,46.4,20.7,1.64,75.6
2005,399.0,45.8,20.5,1.61,74.0
2006,387.0,45.3,20.2,1.55,73.6
2007,382.0,46.9,20.1,1.52,75.3
2008,380.0,45.5,20.1,1.48,74.2
2009,367.0,49.5,19.4,1.42,72.2
2010,369.0,53.1,19.8,1.44,72.5
2011,347.0,53.4,19.7,1.39,70.4
2012,350.0,51.2,19.7,1.43,70.9
2013,351.0,49.5,19.2,1.4,72.0
2014,321.0,46.4,18.9,1.33,72.2
2015,327.0,47.1,18.9,1.36,73.3
2016,333.0,46.6,18.6,1.29,71.6
2017,339.0,46.4,18.9,1.26,72.0
2018,327.0,43.0,18.7,1.23,71.0