year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,131.0,0.522,16.2,4.519999999999999e-16,10.0
1851,125.0,0.497,16.4,0.027800000000000002,10.0
1852,125.0,0.495,16.6,0.0557,10.1
1853,124.0,0.492,16.8,0.0835,10.1
1854,148.0,0.593,17.0,0.111,10.2
1855,139.0,0.555,17.2,0.139,10.3
1856,149.0,0.598,17.4,0.167,10.4
1857,147.0,0.587,17.6,0.195,10.4
1858,145.0,0.575,17.8,0.223,10.5
1859,160.0,0.639,18.0,0.25,10.6
1860,178.0,0.715,18.3,0.278,10.7
1861,185.0,0.745,18.5,0.306,10.8
1862,180.0,0.722,18.6,0.334,10.9
1863,191.0,0.768,18.8,0.362,11.1
1864,205.0,0.826,19.0,0.39,11.2
1865,217.0,0.875,19.2,0.417,11.3
1866,224.0,0.902,19.4,0.445,11.5
1867,230.0,0.926,19.6,0.473,11.6
1868,227.0,0.908,19.7,0.501,11.7
1869,238.0,0.953,20.0,0.529,11.9
1870,243.0,0.973,20.2,0.557,12.0
1871,257.0,1.03,20.4,0.584,12.2
1872,271.0,1.09,20.7,0.612,12.5
1873,281.0,1.13,21.0,0.64,12.8
1874,274.0,1.1,21.2,0.668,13.1
1875,289.0,1.16,21.5,0.696,13.5
1876,289.0,1.15,21.8,0.724,13.8
1877,295.0,1.18,22.1,0.751,14.1
1878,291.0,1.15,22.4,0.779,14.5
1879,293.0,1.16,22.7,0.807,14.8
1880,318.0,1.27,23.0,0.835,15.0
1881,334.0,1.33,23.3,0.863,15.3
1882,337.0,1.34,23.6,0.89,15.5
1883,351.0,1.4,23.9,0.918,15.8
1884,343.0,1.36,24.2,0.946,16.0
1885,340.0,1.34,24.4,0.974,16.2
1886,338.0,1.33,24.7,1.0,16.4
1887,347.0,1.37,25.0,1.03,16.7
1888,360.0,1.42,25.3,1.06,16.9
1889,373.0,1.47,25.6,1.09,17.2
1890,382.0,1.47,26.1,1.11,14.7
1891,390.0,1.47,26.4,1.14,16.7
1892,384.0,1.47,26.8,1.17,18.6
1893,348.0,1.48,27.2,1.2,20.4
1894,395.0,1.48,27.6,1.22,22.0
1895,399.0,1.49,28.0,1.25,23.4
1896,411.0,1.49,28.4,1.28,24.6
1897,422.0,1.5,28.8,1.31,25.6
1898,424.0,1.51,29.2,1.34,26.3
1899,453.0,1.52,29.7,1.36,26.7
1900,459.0,1.52,30.1,1.39,26.9
1901,451.0,1.53,30.5,1.42,26.7
1902,468.0,1.54,30.9,1.45,26.3
1903,473.0,1.55,31.3,1.47,25.7
1904,476.0,1.56,31.7,1.5,24.9
1905,483.0,1.57,32.2,1.53,24.1
1906,500.0,1.58,32.6,1.56,23.3
1907,521.0,1.6,33.0,1.59,22.6
1908,511.0,1.61,33.5,1.61,21.9
1909,515.0,1.62,33.9,1.64,21.5
1910,519.0,1.64,34.3,1.67,21.3
1911,531.0,1.65,34.8,1.7,21.4
1912,505.0,1.67,35.2,1.73,21.4
1913,547.0,1.68,35.7,1.75,21.5
1914,531.0,1.7,36.2,1.78,21.6
1915,537.0,1.72,36.7,1.81,21.8
1916,554.0,1.74,37.2,1.84,22.0
1917,547.0,1.77,37.7,1.86,22.1
1918,512.0,1.79,38.1,1.89,22.3
1919,501.0,1.82,38.6,1.92,22.5
1920,516.0,1.86,39.1,1.95,22.7
1921,365.0,1.92,39.4,1.98,22.8
1922,474.0,2.04,40.1,2.0,23.1
1923,502.0,2.19,40.6,2.03,23.5
1924,524.0,2.37,41.2,2.06,23.9
1925,499.0,2.57,41.7,2.09,24.3
1926,297.0,2.78,41.9,2.11,24.6
1927,518.0,2.98,42.7,2.14,25.2
1928,488.0,5.35,43.2,2.17,25.6
1929,512.0,5.7,43.8,2.2,26.1
1930,492.0,6.01,44.3,2.23,26.5
1931,463.0,6.59,44.7,2.25,26.9
1932,448.0,5.98,45.1,2.28,27.4
1933,444.0,6.3,45.5,2.31,28.0
1934,475.0,6.98,46.0,2.34,28.6
1935,481.0,7.68,46.4,2.37,29.1
1936,505.0,8.33,46.9,2.39,29.7
1937,519.0,8.97,47.4,2.42,30.1
1938,500.0,9.61,48.0,2.45,30.5
1939,508.0,9.83,48.7,2.48,30.7
1940,531.0,10.0,49.5,2.5,30.8
1941,522.0,10.2,50.6,2.53,31.1
1942,521.0,10.6,52.3,2.56,32.0
1943,506.0,10.7,54.5,2.59,33.3
1944,494.0,9.68,57.0,2.62,34.8
1945,469.0,9.68,59.6,2.64,36.5
1946,485.0,11.2,62.3,2.67,38.2
1947,510.0,11.7,65.0,2.7,39.9
1948,523.0,12.8,67.4,2.73,41.2
1949,532.0,13.6,69.4,2.75,42.2
1950,548.0,14.4,70.9,2.78,42.6
1951,593.0,15.3,72.2,2.81,42.9
1952,577.0,16.8,73.4,2.84,43.3
1953,590.0,18.2,74.6,2.87,43.9
1954,605.0,20.1,75.8,2.89,44.5
1955,631.0,22.2,76.8,2.92,45.3
1956,630.0,24.2,77.8,2.95,46.0
1957,629.0,25.8,78.5,2.98,46.7
1958,617.0,27.7,79.1,3.01,47.3
1959,608.0,30.2,79.5,3.03,47.8
1960,646.0,32.5,79.7,3.06,48.1
1961,651.0,34.9,79.7,3.09,51.4
1962,655.0,37.1,79.7,3.12,50.2
1963,666.0,39.4,79.8,3.14,50.1
1964,670.0,43.3,79.8,3.17,50.2
1965,685.0,45.8,79.9,3.2,51.8
1966,681.0,48.3,80.0,3.23,52.5
1967,655.0,51.1,80.0,3.26,53.5
1968,670.0,53.6,80.0,3.28,52.6
1969,694.0,55.4,79.4,3.31,51.8
1970,724.0,52.1,76.6,3.35,52.9
1971,724.0,52.4,83.6,3.35,54.4
1972,699.0,53.8,83.9,3.32,55.2
1973,711.0,55.7,84.1,3.48,58.2
1974,660.0,62.1,84.3,3.29,59.8
1975,650.0,63.7,84.3,3.14,59.2
1976,642.0,73.8,84.6,3.14,58.2
1977,647.0,71.8,84.7,3.2,56.1
1978,645.0,74.3,84.6,3.26,56.4
1979,685.0,74.9,84.9,3.35,57.3
1980,618.0,64.3,84.7,3.14,56.6
1981,597.0,64.2,84.8,2.99,57.1
1982,583.0,60.6,84.7,2.99,58.8
1983,579.0,61.0,84.8,2.94,59.6
1984,544.0,62.4,84.8,3.14,59.9
1985,586.0,61.7,84.9,3.06,59.1
1986,599.0,59.1,85.0,3.11,62.7
1987,599.0,60.0,85.1,3.11,61.6
1988,598.0,56.8,84.9,3.21,61.3
1989,607.0,58.0,84.9,3.27,62.3
1990,581.0,55.4,81.7,3.27,62.1
1991,594.0,55.7,87.7,3.17,60.6
1992,581.0,50.1,91.1,3.1,59.6
1993,569.0,45.2,96.3,2.96,59.4
1994,565.0,49.4,102.0,2.81,60.5
1995,558.0,47.7,101.0,2.66,59.9
1996,570.0,47.4,106.0,2.61,60.8
1997,546.0,47.3,108.0,2.39,59.6
1998,550.0,48.5,98.9,2.23,59.1
1999,548.0,37.8,88.1,2.15,58.5
2000,558.0,35.0,83.1,2.01,56.2
2001,561.0,34.1,82.9,1.94,53.5
2002,543.0,34.7,78.8,1.84,52.9
2003,553.0,35.8,76.7,1.85,52.4
2004,551.0,35.9,73.6,1.79,52.3
2005,554.0,35.7,71.4,1.76,51.6
2006,551.0,35.6,76.0,1.76,50.6
2007,539.0,37.8,74.9,1.69,49.7
2008,532.0,37.1,66.4,1.58,49.2
2009,482.0,35.1,54.7,1.45,47.9
2010,503.0,36.6,55.1,1.43,48.2
2011,456.0,34.1,59.4,1.36,48.1
2012,477.0,34.2,58.3,1.39,47.9
2013,467.0,34.5,57.1,1.38,48.1
2014,428.0,34.9,56.8,1.37,49.2
2015,411.0,35.1,59.8,1.39,49.3
2016,389.0,34.2,57.8,1.24,49.4
2017,378.0,33.9,58.8,1.19,49.9
2018,372.0,32.4,59.6,1.14,49.2
