year,IPC2
1850,0.0708
1851,0.0708
1852,0.0708
1853,0.0708
1854,0.0708
1855,0.0708
1856,0.0708
1857,0.0708
1858,0.0708
1859,0.0708
1860,0.0708
1861,0.0708
1862,0.0708
1863,0.0708
1864,0.0708
1865,0.0708
1866,0.0708
1867,0.0708
1868,0.0709
1869,0.0709
1870,0.0709
1871,0.0709
1872,0.0709
1873,0.0709
1874,0.0709
1875,0.0709
1876,0.0709
1877,0.0709
1878,0.0709
1879,0.0709
1880,0.0709
1881,0.0709
1882,0.0709
1883,0.0709
1884,0.0709
1885,0.0709
1886,0.0709
1887,0.0709
1888,0.0709
1889,0.0709
1890,0.0709
1891,0.0828
1892,0.116
1893,0.165
1894,0.228
1895,0.299
1896,0.375
1897,0.451
1898,0.524
1899,0.589
1900,0.642
1901,0.686
1902,0.725
1903,0.762
1904,0.797
1905,0.831
1906,0.865
1907,0.901
1908,0.939
1909,0.98
1910,1.02
1911,1.07
1912,1.13
1913,1.18
1914,1.24
1915,1.3
1916,1.37
1917,1.44
1918,1.51
1919,1.59
1920,1.66
1921,2.29
1922,3.87
1923,6.18
1924,9.01
1925,12.2
1926,15.4
1927,18.5
1928,21.3
1929,23.6
1930,25.0
1931,25.8
1932,26.1
1933,26.1
1934,25.8
1935,25.4
1936,25.0
1937,24.7
1938,24.6
1939,24.8
1940,25.5
1941,26.6
1942,27.9
1943,29.4
1944,31.0
1945,32.8
1946,34.8
1947,36.9
1948,39.1
1949,41.3
1950,43.6
1951,46.0
1952,48.7
1953,51.5
1954,54.5
1955,57.7
1956,61.1
1957,64.5
1958,68.2
1959,71.9
1960,75.7
1961,79.8
1962,84.5
1963,89.7
1964,95.1
1965,101.0
1966,107.0
1967,112.0
1968,118.0
1969,125.0
1970,132.0
1971,143.0
1972,150.0
1973,167.0
1974,181.0
1975,171.0
1976,187.0
1977,205.0
1978,215.0
1979,226.0
1980,228.0
1981,227.0
1982,214.0
1983,227.0
1984,249.0
1985,249.0
1986,254.0
1987,267.0
1988,290.0
1989,304.0
1990,301.0
1991,318.0
1992,311.0
1993,335.0
1994,347.0
1995,377.0
1996,411.0
1997,452.0
1998,482.0
1999,563.0
2000,579.0
2001,585.0
2002,636.0
2003,691.0
2004,789.0
2005,874.0
2006,954.0
2007,989.0
2008,1040.0
2009,1080.0
2010,1190.0
2011,1200.0
2012,1310.0
2013,1400.0
2014,1450.0
2015,1450.0
2016,1510.0
2017,1580.0
2018,1640.0