year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,0.272,0.00562,2.91,8.44e-16,50.4
1851,0.287,0.00566,2.95,0.052,50.6
1852,0.315,0.0057,2.99,0.104,50.8
1853,0.351,0.00574,3.02,0.156,51.0
1854,0.389,0.00579,3.06,0.208,51.2
1855,0.426,0.00584,3.1,0.26,51.4
1856,0.462,0.005900000000000001,3.13,0.312,51.6
1857,0.5,0.00596,3.17,0.364,51.7
1858,0.534,0.006030000000000001,3.2,0.416,51.9
1859,0.562,0.0060999999999999995,3.23,0.468,52.0
1860,0.669,0.00617,3.26,0.52,52.0
1861,0.788,0.00625,3.29,0.572,52.1
1862,0.754,0.00633,3.32,0.624,52.2
1863,0.791,0.00642,3.34,0.676,52.2
1864,0.865,0.00651,3.37,0.728,52.3
1865,0.861,0.0066,3.39,0.78,52.3
1866,1.94,0.0067,3.42,0.832,52.4
1867,2.19,0.0068,3.44,0.884,52.5
1868,1.91,0.006900000000000001,3.47,0.936,52.6
1869,2.46,0.007,3.5,0.988,52.7
1870,2.66,0.00711,3.53,1.04,52.8
1871,3.44,0.00722,3.57,1.09,53.0
1872,3.55,0.00733,3.62,1.14,53.6
1873,3.4,0.00745,3.67,1.2,54.4
1874,4.05,0.00756,3.73,1.25,55.4
1875,4.61,0.007679999999999999,3.8,1.3,56.5
1876,5.62,0.007809999999999999,3.86,1.35,57.6
1877,5.77,0.00793,3.93,1.4,58.6
1878,7.36,0.00805,3.99,1.46,59.5
1879,7.59,0.00818,4.05,1.51,60.3
1880,8.8,0.00831,4.1,1.56,60.8
1881,9.3,0.00844,4.15,1.61,61.1
1882,9.79,0.00857,4.2,1.66,61.4
1883,11.0,0.00871,4.26,1.72,61.7
1884,11.3,0.00884,4.31,1.77,61.9
1885,12.4,0.00898,4.36,1.82,62.2
1886,12.7,0.00912,4.41,1.87,62.4
1887,13.5,0.00925,4.46,1.92,62.7
1888,14.1,0.00939,4.51,1.98,62.9
1889,15.1,0.009529999999999999,4.56,2.03,63.2
1890,17.0,0.0119,4.65,2.08,62.7
1891,18.9,0.013300000000000001,4.72,2.13,63.9
1892,20.2,0.016300000000000002,4.8,2.18,65.2
1893,23.5,0.0206,4.87,2.24,66.4
1894,24.1,0.026,4.94,2.29,67.5
1895,27.7,0.032100000000000004,5.02,2.34,68.5
1896,28.4,0.0386,5.1,2.39,69.4
1897,32.5,0.045200000000000004,5.17,2.45,70.1
1898,36.2,0.0516,5.25,2.5,70.7
1899,41.5,0.0575,5.33,2.55,71.1
1900,46.7,0.0625,5.41,2.6,71.3
1901,48.2,0.06709999999999999,5.5,2.65,71.3
1902,46.8,0.0716,5.58,2.71,71.3
1903,45.9,0.0761,5.67,2.76,71.3
1904,50.6,0.08070000000000001,5.76,2.81,71.4
1905,45.5,0.0852,5.86,2.86,71.3
1906,51.4,0.0897,5.95,2.91,71.3
1907,57.0,0.0943,6.04,2.97,71.4
1908,57.4,0.0988,6.14,3.02,71.4
1909,60.4,0.103,6.23,3.07,71.4
1910,59.4,0.108,6.33,3.12,71.4
1911,61.2,0.134,6.42,3.17,72.4
1912,68.1,0.199,6.51,3.23,74.7
1913,73.0,0.298,6.6,3.28,78.2
1914,66.2,0.427,6.69,3.33,82.5
1915,61.0,0.581,6.78,3.38,87.2
1916,64.3,0.755,6.87,3.43,92.1
1917,58.9,0.943,6.97,3.49,96.8
1918,25.0,1.14,7.08,3.54,101.0
1919,21.8,1.34,7.19,3.59,104.0
1920,20.0,1.55,7.32,3.64,106.0
1921,21.5,1.86,7.46,3.69,108.0
1922,26.1,2.35,7.6,3.75,109.0
1923,29.1,2.99,7.75,3.8,110.0
1924,34.7,3.73,7.92,3.85,112.0
1925,35.3,4.55,8.11,3.9,113.0
1926,49.5,5.4,8.31,3.95,114.0
1927,61.1,7.39,8.54,4.01,114.0
1928,67.5,8.09,8.79,4.06,115.0
1929,73.5,9.05,9.07,4.11,115.0
1930,98.7,10.1,9.39,4.16,116.0
1931,118.0,10.7,9.84,4.21,115.0
1932,132.0,11.2,10.5,4.27,114.0
1933,148.0,11.2,11.3,4.32,112.0
1934,177.0,12.1,12.3,4.37,110.0
1935,200.0,13.1,13.3,4.42,108.0
1936,229.0,14.3,14.4,4.47,106.0
1937,236.0,14.7,15.4,4.53,104.0
1938,250.0,15.4,16.4,4.58,102.0
1939,254.0,16.1,17.3,4.63,101.0
1940,300.0,16.9,18.0,4.68,101.0
1941,269.0,17.7,18.6,4.73,101.0
1942,200.0,18.0,19.2,4.79,103.0
1943,244.0,18.3,19.7,4.84,105.0
1944,234.0,18.6,20.2,4.89,109.0
1945,242.0,19.0,20.7,4.94,112.0
1946,269.0,20.8,21.3,4.99,117.0
1947,317.0,22.7,21.8,5.05,121.0
1948,336.0,25.0,22.4,5.1,125.0
1949,377.0,27.3,23.0,5.15,129.0
1950,417.0,30.4,23.6,5.2,132.0
1951,451.0,34.2,24.4,5.25,135.0
1952,484.0,39.7,25.3,5.31,139.0
1953,514.0,46.7,26.2,5.36,143.0
1954,561.0,55.5,27.2,5.41,147.0
1955,635.0,65.6,28.3,5.46,152.0
1956,698.0,75.8,29.4,5.51,157.0
1957,764.0,87.4,30.5,5.57,161.0
1958,819.0,99.3,31.7,5.62,166.0
1959,864.0,112.0,32.8,5.67,171.0
1960,903.0,125.0,33.8,5.72,175.0
1961,936.0,137.0,34.9,5.77,177.0
1962,985.0,151.0,36.1,5.83,187.0
1963,1060.0,163.0,37.2,5.88,194.0
1964,1130.0,177.0,38.4,5.93,191.0
1965,1190.0,193.0,39.5,5.98,194.0
1966,1260.0,209.0,40.7,6.03,208.0
1967,1320.0,223.0,41.9,6.09,214.0
1968,1360.0,236.0,43.0,6.14,217.0
1969,1420.0,249.0,44.1,6.19,217.0
1970,1510.0,238.0,43.6,5.87,220.0
1971,1600.0,237.0,45.7,5.87,230.0
1972,1680.0,251.0,46.3,6.26,236.0
1973,1760.0,269.0,47.2,6.76,243.0
1974,1830.0,265.0,48.6,7.24,248.0
1975,1930.0,263.0,49.3,7.81,253.0
1976,2010.0,275.0,50.1,8.05,255.0
1977,2080.0,276.0,50.9,8.17,256.0
1978,2310.0,275.0,51.5,8.43,262.0
1979,2290.0,270.0,51.2,8.58,262.0
1980,2370.0,270.0,51.9,8.79,267.0
1981,2330.0,268.0,52.5,9.0,267.0
1982,2370.0,252.0,53.9,9.12,272.0
1983,2400.0,255.0,55.0,9.21,280.0
1984,2410.0,271.0,55.9,9.24,283.0
1985,2580.0,269.0,56.0,9.3,287.0
1986,2580.0,279.0,56.9,9.45,290.0
1987,2680.0,283.0,57.6,9.66,292.0
1988,2800.0,290.0,57.9,9.57,286.0
1989,2750.0,291.0,59.3,9.39,282.0
1990,2600.0,283.0,59.3,10.4,276.0
1991,2470.0,260.0,59.2,10.1,262.0
1992,2040.0,232.0,58.4,9.48,241.0
1993,1950.0,199.0,58.5,9.6,224.0
1994,1730.0,174.0,58.0,8.14,201.0
1995,1690.0,183.0,58.3,7.3,180.0
1996,1670.0,166.0,58.4,7.12,164.0
1997,1560.0,167.0,59.2,6.38,153.0
1998,1550.0,159.0,59.9,6.65,137.0
1999,1570.0,180.0,61.0,6.59,127.0
2000,1540.0,196.0,62.0,6.59,128.0
2001,1580.0,194.0,63.4,6.59,129.0
2002,1560.0,191.0,64.7,6.5,129.0
2003,1600.0,193.0,66.2,6.44,126.0
2004,1610.0,207.0,67.6,6.29,122.0
2005,1630.0,207.0,69.4,6.17,117.0
2006,1680.0,214.0,71.3,6.29,114.0
2007,1670.0,215.0,73.5,6.08,117.0
2008,1700.0,207.0,75.2,5.99,121.0
2009,1600.0,180.0,76.7,5.6,120.0
2010,1690.0,196.0,78.1,5.66,115.0
2011,1740.0,200.0,81.1,6.02,118.0
2012,1820.0,216.0,83.5,5.96,118.0
2013,1740.0,220.0,86.0,5.78,120.0
2014,1750.0,220.0,89.3,5.63,120.0
2015,1770.0,219.0,91.4,5.51,122.0
2016,1770.0,218.0,93.5,5.48,123.0
2017,1810.0,232.0,95.6,5.41,127.0
2018,1860.0,243.0,97.7,5.34,127.0