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
1921,0.0611
1922,0.227
1923,0.472
1924,0.769
1925,1.09
1926,1.41
1927,1.71
1928,1.96
1929,2.12
1930,2.18
1931,2.13
1932,2.0
1933,1.8
1934,1.56
1935,1.3
1936,1.04
1937,0.8
1938,0.603
1939,0.468
1940,0.419
1941,0.428
1942,0.452
1943,0.489
1944,0.538
1945,0.597
1946,0.663
1947,0.735
1948,0.811
1949,0.888
1950,0.965
1951,1.05
1952,1.14
1953,1.24
1954,1.35
1955,1.47
1956,1.6
1957,1.74
1958,1.89
1959,2.05
1960,2.22
1961,2.41
1962,2.64
1963,2.9
1964,3.18
1965,3.5
1966,3.85
1967,4.22
1968,4.61
1969,5.03
1970,5.82
1971,6.22
1972,6.42
1973,7.46
1974,8.27
1975,7.34
1976,8.76
1977,9.65
1978,10.5
1979,10.9
1980,11.5
1981,11.7
1982,10.9
1983,12.5
1984,13.1
1985,13.0
1986,13.7
1987,14.2
1988,16.3
1989,17.3
1990,14.4
1991,15.0
1992,15.6
1993,16.5
1994,17.6
1995,19.1
1996,20.2
1997,23.1
1998,20.1
1999,11.5
2000,9.89
2001,10.9
2002,11.4
2003,12.8
2004,11.9
2005,13.1
2006,14.0
2007,14.5
2008,15.0
2009,15.6
2010,16.5
2011,14.9
2012,15.5
2013,15.8
2014,16.0
2015,16.0
2016,15.2
2017,14.2
2018,13.1