year,IPC2
1850,0.0
1851,0.0
1852,0.0
1853,0.0
1854,0.0
1855,0.0
1856,0.0
1857,0.0
1858,0.0
1859,0.0
1860,0.0
1861,0.0
1862,0.0
1863,0.0
1864,0.0
1865,0.0
1866,0.0
1867,0.0
1868,0.0
1869,0.0
1870,0.0
1871,0.0
1872,0.0
1873,0.0
1874,0.0
1875,0.0
1876,0.0
1877,0.0
1878,0.0
1879,0.0
1880,0.0
1881,0.0
1882,0.0
1883,0.0
1884,0.0
1885,0.0
1886,0.0
1887,0.0
1888,0.0
1889,0.0
1890,0.0
1891,0.0
1892,0.0
1893,0.0
1894,0.0
1895,0.0
1896,0.0
1897,0.0
1898,0.0
1899,0.0
1900,0.0
1901,0.0
1902,0.0
1903,0.0
1904,0.0
1905,0.0
1906,0.0
1907,0.0
1908,0.0
1909,0.0
1910,0.0
1911,0.0
1912,0.0
1913,0.0
1914,0.0
1915,0.0
1916,0.0
1917,0.0
1918,0.0
1919,0.0
1920,0.0
1921,0.238
1922,0.884
1923,1.84
1924,2.99
1925,4.25
1926,5.51
1927,6.67
1928,7.62
1929,8.26
1930,8.5
1931,8.31
1932,7.79
1933,7.02
1934,6.08
1935,5.07
1936,4.05
1937,3.12
1938,2.35
1939,1.82
1940,1.63
1941,1.67
1942,1.76
1943,1.9
1944,2.1
1945,2.32
1946,2.58
1947,2.86
1948,3.16
1949,3.46
1950,3.76
1951,4.07
1952,4.43
1953,4.82
1954,5.25
1955,5.72
1956,6.23
1957,6.78
1958,7.36
1959,7.99
1960,8.65
1961,9.4
1962,10.3
1963,11.3
1964,12.4
1965,13.7
1966,15.0
1967,16.5
1968,18.0
1969,19.7
1970,23.1
1971,24.9
1972,25.8
1973,30.2
1974,33.8
1975,30.2
1976,36.3
1977,40.4
1978,44.2
1979,46.4
1980,49.5
1981,51.0
1982,48.1
1983,55.8
1984,58.9
1985,59.0
1986,63.3
1987,66.2
1988,77.6
1989,83.5
1990,79.5
1991,75.6
1992,75.7
1993,69.3
1994,75.1
1995,94.7
1996,101.0
1997,114.0
1998,134.0
1999,135.0
2000,142.0
2001,137.0
2002,137.0
2003,129.0
2004,139.0
2005,144.0
2006,149.0
2007,161.0
2008,169.0
2009,167.0
2010,179.0
2011,184.0
2012,191.0
2013,198.0
2014,210.0
2015,214.0
2016,218.0
2017,230.0
2018,238.0