year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,134.0,0.606,13.5,4.34e-16,9.48
1851,128.0,0.577,13.7,0.0268,9.5
1852,128.0,0.575,13.8,0.0535,9.54
1853,127.0,0.572,14.0,0.0803,9.58
1854,151.0,0.689,14.2,0.107,9.65
1855,143.0,0.645,14.3,0.134,9.7
1856,153.0,0.694,14.5,0.161,9.78
1857,151.0,0.682,14.7,0.187,9.85
1858,148.0,0.669,14.8,0.214,9.93
1859,164.0,0.742,15.0,0.241,10.0
1860,182.0,0.831,15.2,0.268,10.1
1861,190.0,0.866,15.4,0.294,10.2
1862,185.0,0.839,15.5,0.321,10.3
1863,196.0,0.892,15.7,0.348,10.5
1864,210.0,0.959,15.9,0.375,10.6
1865,222.0,1.02,16.0,0.401,10.7
1866,229.0,1.05,16.2,0.428,10.8
1867,236.0,1.08,16.3,0.455,11.0
1868,232.0,1.06,16.5,0.482,11.1
1869,243.0,1.11,16.7,0.508,11.3
1870,249.0,1.13,16.9,0.535,11.5
1871,263.0,1.2,17.1,0.562,11.6
1872,277.0,1.26,17.3,0.589,11.9
1873,288.0,1.31,17.5,0.615,12.1
1874,281.0,1.27,17.7,0.642,12.4
1875,296.0,1.34,18.0,0.669,12.6
1876,297.0,1.34,18.2,0.696,12.9
1877,302.0,1.37,18.5,0.722,13.2
1878,298.0,1.34,18.7,0.749,13.5
1879,301.0,1.35,19.0,0.776,13.7
1880,326.0,1.47,19.2,0.803,14.0
1881,343.0,1.55,19.5,0.829,14.2
1882,346.0,1.56,19.7,0.856,14.4
1883,360.0,1.62,20.0,0.883,14.7
1884,352.0,1.58,20.2,0.91,14.9
1885,350.0,1.56,20.4,0.936,15.1
1886,348.0,1.55,20.7,0.963,15.3
1887,357.0,1.59,20.9,0.99,15.6
1888,371.0,1.65,21.2,1.02,15.8
1889,383.0,1.71,21.4,1.04,16.0
1890,393.0,1.7,21.8,1.07,13.7
1891,402.0,1.71,22.1,1.1,15.6
1892,396.0,1.71,22.4,1.12,17.4
1893,360.0,1.72,22.7,1.15,19.0
1894,408.0,1.73,23.1,1.18,20.5
1895,412.0,1.73,23.4,1.2,21.8
1896,424.0,1.74,23.8,1.23,22.9
1897,436.0,1.75,24.1,1.26,23.8
1898,438.0,1.76,24.5,1.28,24.4
1899,467.0,1.77,24.8,1.31,24.8
1900,474.0,1.78,25.2,1.34,25.0
1901,466.0,1.79,25.5,1.36,24.8
1902,484.0,1.8,25.9,1.39,24.4
1903,489.0,1.82,26.2,1.42,23.9
1904,493.0,1.83,26.6,1.44,23.2
1905,500.0,1.84,26.9,1.47,22.4
1906,518.0,1.86,27.3,1.5,21.6
1907,539.0,1.88,27.7,1.52,20.9
1908,529.0,1.89,28.0,1.55,20.4
1909,534.0,1.91,28.4,1.58,20.0
1910,538.0,1.93,28.7,1.61,19.8
1911,550.0,1.95,29.1,1.63,19.8
1912,524.0,1.96,29.5,1.66,19.9
1913,565.0,1.98,29.9,1.69,20.0
1914,549.0,2.0,30.3,1.71,20.1
1915,554.0,2.03,30.7,1.74,20.2
1916,571.0,2.05,31.1,1.77,20.4
1917,564.0,2.08,31.5,1.79,20.5
1918,529.0,2.11,31.9,1.82,20.7
1919,518.0,2.15,32.2,1.85,20.8
1920,532.0,2.19,32.7,1.87,21.0
1921,381.0,2.32,32.8,1.9,21.1
1922,491.0,2.58,33.4,1.93,21.5
1923,519.0,2.96,33.9,1.95,21.8
1924,542.0,3.4,34.4,1.98,22.2
1925,517.0,3.9,34.8,2.01,22.6
1926,314.0,4.4,34.8,2.03,22.9
1927,537.0,4.88,35.7,2.06,23.5
1928,507.0,8.21,36.0,2.09,23.9
1929,530.0,8.78,36.5,2.11,24.3
1930,511.0,9.23,36.9,2.14,24.7
1931,482.0,9.94,37.2,2.17,25.1
1932,466.0,8.96,37.6,2.19,25.5
1933,463.0,9.17,37.9,2.22,26.0
1934,494.0,9.82,38.3,2.25,26.6
1935,500.0,10.5,38.7,2.27,27.1
1936,524.0,11.0,39.1,2.3,27.6
1937,539.0,11.6,39.5,2.33,28.0
1938,520.0,12.2,40.0,2.35,28.3
1939,527.0,12.3,40.5,2.38,28.5
1940,550.0,12.5,41.2,2.41,28.6
1941,541.0,12.6,42.2,2.43,28.8
1942,540.0,13.0,43.6,2.46,29.2
1943,525.0,13.1,45.4,2.49,29.9
1944,513.0,11.8,47.4,2.51,30.7
1945,487.0,11.8,49.6,2.54,31.6
1946,504.0,13.8,51.8,2.57,32.5
1947,528.0,14.5,54.0,2.59,33.3
1948,541.0,15.9,56.0,2.62,34.1
1949,550.0,16.9,57.7,2.65,34.6
1950,566.0,17.8,59.0,2.68,34.8
1951,611.0,19.0,60.0,2.7,35.0
1952,595.0,20.8,61.0,2.73,35.4
1953,609.0,22.3,62.0,2.76,35.9
1954,624.0,24.6,63.0,2.78,36.5
1955,650.0,27.0,63.9,2.81,37.2
1956,650.0,29.3,64.6,2.84,37.9
1957,649.0,31.0,65.3,2.86,38.5
1958,637.0,33.0,65.7,2.89,39.0
1959,629.0,35.9,66.0,2.92,39.4
1960,667.0,38.6,66.2,2.94,39.7
1961,672.0,41.5,66.2,2.97,42.6
1962,677.0,44.0,66.3,3.0,41.2
1963,688.0,46.6,66.3,3.02,41.0
1964,692.0,51.4,66.4,3.05,41.1
1965,706.0,54.4,66.4,3.08,42.2
1966,703.0,57.2,66.4,3.1,42.7
1967,677.0,60.6,66.4,3.13,43.2
1968,691.0,63.6,66.5,3.16,42.6
1969,714.0,65.9,66.6,3.18,42.3
1970,748.0,62.0,62.7,3.22,43.0
1971,746.0,61.8,68.4,3.22,44.0
1972,718.0,64.2,68.6,3.19,45.1
1973,732.0,67.2,68.8,3.34,47.6
1974,678.0,72.9,69.0,3.16,48.9
1975,669.0,73.3,69.0,3.01,48.1
1976,660.0,84.6,69.2,3.01,47.0
1977,664.0,82.0,69.3,3.07,44.9
1978,662.0,86.1,69.2,3.13,45.1
1979,703.0,86.2,69.5,3.22,45.7
1980,636.0,73.2,69.3,3.02,45.1
1981,614.0,73.9,69.4,2.88,45.2
1982,599.0,68.3,69.4,2.88,46.3
1983,595.0,70.1,69.4,2.82,46.9
1984,554.0,72.8,69.4,3.02,47.1
1985,600.0,71.9,69.5,2.95,46.4
1986,614.0,69.5,69.6,2.99,49.2
1987,614.0,71.6,69.6,2.99,48.5
1988,613.0,70.9,69.5,3.08,48.2
1989,621.0,72.8,69.5,3.14,48.9
1990,615.0,66.8,67.0,3.14,49.2
1991,626.0,65.2,67.6,3.05,48.9
1992,610.0,60.7,67.8,2.98,48.3
1993,594.0,57.4,68.3,2.84,47.2
1994,581.0,60.7,68.6,2.7,48.2
1995,573.0,61.2,69.7,2.56,48.0
1996,592.0,63.3,70.0,2.51,48.6
1997,566.0,64.5,69.5,2.3,47.9
1998,569.0,61.1,68.5,2.15,48.1
1999,560.0,43.1,65.8,2.07,48.2
2000,566.0,40.9,63.4,1.93,46.0
2001,575.0,39.1,61.3,1.86,43.5
2002,559.0,37.3,60.1,1.77,43.2
2003,567.0,39.6,56.3,1.77,44.1
2004,566.0,40.8,52.1,1.72,44.2
2005,562.0,40.0,49.4,1.7,43.6
2006,560.0,39.2,46.2,1.69,42.6
2007,550.0,41.6,43.1,1.62,42.1
2008,537.0,39.8,38.7,1.52,41.1
2009,492.0,33.1,34.6,1.39,40.8
2010,508.0,35.8,30.0,1.38,40.9
2011,466.0,32.3,28.0,1.31,41.0
2012,484.0,32.6,26.5,1.33,40.7
2013,471.0,34.7,23.6,1.32,40.5
2014,432.0,34.4,21.5,1.32,41.8
2015,416.0,33.9,21.0,1.33,41.2
2016,394.0,31.0,20.4,1.19,41.2
2017,382.0,30.6,20.7,1.14,41.6
2018,375.0,28.5,21.0,1.1,41.2