year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,132.0,0.522,19.3,4.34e-16,11.5
1851,126.0,0.497,19.5,0.0268,11.5
1852,126.0,0.495,19.7,0.0535,11.6
1853,126.0,0.492,20.0,0.0803,11.6
1854,149.0,0.593,20.2,0.107,11.7
1855,141.0,0.556,20.5,0.134,11.8
1856,151.0,0.598,20.7,0.161,11.9
1857,149.0,0.587,20.9,0.187,12.0
1858,146.0,0.576,21.2,0.214,12.1
1859,161.0,0.639,21.4,0.241,12.2
1860,180.0,0.715,21.7,0.268,12.3
1861,187.0,0.746,21.9,0.294,12.4
1862,182.0,0.722,22.1,0.321,12.6
1863,193.0,0.768,22.3,0.348,12.7
1864,208.0,0.826,22.6,0.375,12.8
1865,220.0,0.875,22.8,0.401,13.0
1866,226.0,0.902,23.0,0.428,13.2
1867,233.0,0.926,23.2,0.455,13.3
1868,229.0,0.908,23.4,0.482,13.5
1869,240.0,0.953,23.7,0.508,13.7
1870,246.0,0.974,23.9,0.535,13.9
1871,260.0,1.03,24.2,0.562,14.1
1872,274.0,1.09,24.5,0.589,14.4
1873,284.0,1.13,24.9,0.615,14.7
1874,277.0,1.1,25.2,0.642,15.0
1875,292.0,1.16,25.5,0.669,15.4
1876,293.0,1.15,25.9,0.696,15.8
1877,298.0,1.18,26.2,0.722,16.1
1878,294.0,1.15,26.6,0.749,16.5
1879,297.0,1.16,26.9,0.776,16.8
1880,322.0,1.27,27.3,0.803,17.1
1881,338.0,1.33,27.6,0.829,17.4
1882,341.0,1.34,28.0,0.856,17.7
1883,355.0,1.4,28.3,0.883,18.0
1884,347.0,1.36,28.7,0.91,18.2
1885,344.0,1.34,29.0,0.936,18.5
1886,342.0,1.33,29.3,0.963,18.8
1887,351.0,1.37,29.7,0.99,19.0
1888,365.0,1.42,30.0,1.02,19.3
1889,378.0,1.47,30.4,1.04,19.6
1890,387.0,1.47,30.9,1.07,16.7
1891,396.0,1.47,31.4,1.1,19.1
1892,389.0,1.47,31.8,1.12,21.3
1893,354.0,1.48,32.2,1.15,23.2
1894,401.0,1.48,32.8,1.18,25.1
1895,406.0,1.49,33.2,1.2,26.7
1896,417.0,1.5,33.7,1.23,28.1
1897,428.0,1.5,34.2,1.26,29.2
1898,431.0,1.51,34.7,1.28,30.0
1899,459.0,1.52,35.2,1.31,30.5
1900,466.0,1.53,35.7,1.34,30.7
1901,458.0,1.53,36.2,1.36,30.5
1902,476.0,1.54,36.7,1.39,30.1
1903,480.0,1.55,37.2,1.42,29.3
1904,484.0,1.56,37.6,1.44,28.5
1905,491.0,1.58,38.1,1.47,27.5
1906,508.0,1.59,38.7,1.5,26.6
1907,530.0,1.6,39.2,1.52,25.7
1908,519.0,1.61,39.7,1.55,25.0
1909,524.0,1.63,40.2,1.58,24.5
1910,528.0,1.64,40.7,1.61,24.4
1911,540.0,1.66,41.3,1.63,24.4
1912,514.0,1.67,41.8,1.66,24.4
1913,556.0,1.69,42.4,1.69,24.6
1914,540.0,1.71,42.9,1.71,24.7
1915,545.0,1.73,43.5,1.74,24.8
1916,562.0,1.75,44.1,1.77,25.0
1917,555.0,1.77,44.7,1.79,25.2
1918,520.0,1.8,45.2,1.82,25.4
1919,509.0,1.83,45.8,1.85,25.6
1920,524.0,1.87,46.4,1.87,25.9
1921,373.0,1.93,46.8,1.9,26.0
1922,483.0,2.06,47.5,1.93,26.4
1923,510.0,2.22,48.2,1.95,26.8
1924,533.0,2.42,48.8,1.98,27.3
1925,508.0,2.63,49.4,2.01,27.8
1926,306.0,2.86,49.8,2.03,28.1
1927,528.0,3.08,50.7,2.06,28.8
1928,497.0,5.45,51.3,2.09,29.3
1929,521.0,5.82,51.9,2.11,29.8
1930,502.0,6.13,52.5,2.14,30.3
1931,472.0,6.71,53.1,2.17,30.7
1932,457.0,6.08,53.6,2.19,31.3
1933,453.0,6.39,54.1,2.22,31.9
1934,484.0,7.05,54.6,2.25,32.6
1935,490.0,7.73,55.1,2.27,33.3
1936,515.0,8.36,55.7,2.3,33.9
1937,529.0,8.97,56.3,2.33,34.4
1938,510.0,9.59,56.9,2.35,34.8
1939,517.0,9.81,57.7,2.38,35.1
1940,540.0,10.0,58.7,2.41,35.2
1941,531.0,10.2,60.1,2.43,35.5
1942,530.0,10.5,62.1,2.46,36.3
1943,515.0,10.6,64.7,2.49,37.5
1944,503.0,9.62,67.6,2.51,38.9
1945,478.0,9.62,70.8,2.54,40.5
1946,494.0,11.2,74.0,2.57,42.1
1947,518.0,11.6,77.1,2.59,43.7
1948,531.0,12.8,79.9,2.62,44.9
1949,540.0,13.5,82.3,2.65,45.8
1950,556.0,14.3,84.2,2.68,46.3
1951,601.0,15.2,85.7,2.7,46.5
1952,585.0,16.7,87.1,2.73,47.0
1953,599.0,18.0,88.6,2.76,47.6
1954,613.0,20.0,89.9,2.78,48.4
1955,639.0,22.0,91.2,2.81,49.3
1956,639.0,24.0,92.3,2.84,50.1
1957,638.0,25.5,93.2,2.86,50.9
1958,625.0,27.3,93.9,2.89,51.5
1959,617.0,29.8,94.3,2.92,52.1
1960,655.0,32.0,94.5,2.94,52.4
1961,659.0,34.5,94.5,2.97,56.0
1962,664.0,36.6,94.6,3.0,54.6
1963,675.0,38.8,94.6,3.02,54.4
1964,679.0,42.7,94.7,3.05,54.6
1965,693.0,45.2,94.8,3.08,56.2
1966,690.0,47.6,94.8,3.1,56.9
1967,664.0,50.4,94.8,3.13,57.9
1968,678.0,52.8,94.9,3.16,57.0
1969,703.0,54.6,94.1,3.18,56.2
1970,733.0,51.5,90.8,3.22,57.4
1971,733.0,51.8,99.2,3.22,58.9
1972,707.0,53.4,99.5,3.19,59.9
1973,719.0,55.3,99.8,3.34,63.2
1974,667.0,61.6,100.0,3.16,64.9
1975,658.0,63.0,100.0,3.01,64.1
1976,650.0,72.9,100.0,3.01,62.9
1977,654.0,71.0,100.0,3.07,60.5
1978,651.0,73.5,100.0,3.13,60.8
1979,692.0,74.1,101.0,3.22,61.7
1980,625.0,63.8,100.0,3.02,60.9
1981,604.0,63.7,101.0,2.88,61.3
1982,590.0,60.0,100.0,2.88,63.1
1983,585.0,60.5,101.0,2.82,63.9
1984,547.0,62.0,101.0,3.02,64.2
1985,591.0,61.2,101.0,2.95,63.3
1986,605.0,58.7,101.0,2.99,67.2
1987,605.0,59.7,101.0,2.99,66.1
1988,604.0,56.8,101.0,3.08,65.7
1989,612.0,58.0,101.0,3.14,66.7
1990,586.0,55.3,96.8,3.14,66.6
1991,599.0,55.5,104.0,3.05,65.0
1992,586.0,50.1,108.0,2.98,64.1
1993,573.0,45.2,114.0,2.84,63.8
1994,568.0,50.0,121.0,2.7,65.0
1995,562.0,48.3,120.0,2.56,64.3
1996,574.0,47.9,126.0,2.51,65.1
1997,549.0,47.8,128.0,2.3,63.9
1998,553.0,49.1,117.0,2.15,63.4
1999,552.0,38.8,105.0,2.07,62.8
2000,561.0,36.0,98.5,1.93,60.3
2001,564.0,35.1,98.2,1.86,57.3
2002,546.0,35.8,93.3,1.77,56.5
2003,556.0,36.9,90.8,1.77,56.1
2004,554.0,37.0,87.2,1.72,56.0
2005,556.0,36.9,84.5,1.7,55.3
2006,553.0,36.9,90.0,1.69,54.3
2007,540.0,39.4,88.7,1.62,53.3
2008,533.0,38.8,78.6,1.52,52.7
2009,484.0,36.8,64.6,1.39,51.3
2010,505.0,38.4,65.1,1.38,51.6
2011,457.0,35.7,70.2,1.31,51.5
2012,478.0,35.9,68.9,1.33,51.3
2013,468.0,36.3,67.5,1.32,51.5
2014,429.0,36.7,67.1,1.32,52.6
2015,412.0,36.8,70.7,1.33,52.8
2016,390.0,35.8,68.3,1.19,52.9
2017,379.0,35.5,69.5,1.14,53.4
2018,373.0,33.8,70.4,1.1,52.7