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
1921,0.0466
1922,0.173
1923,0.36
1924,0.586
1925,0.833
1926,1.08
1927,1.31
1928,1.49
1929,1.62
1930,1.67
1931,1.63
1932,1.53
1933,1.37
1934,1.19
1935,0.992
1936,0.793
1937,0.61
1938,0.46
1939,0.357
1940,0.32
1941,0.326
1942,0.344
1943,0.373
1944,0.41
1945,0.455
1946,0.506
1947,0.561
1948,0.618
1949,0.677
1950,0.736
1951,0.798
1952,0.867
1953,0.944
1954,1.03
1955,1.12
1956,1.22
1957,1.33
1958,1.44
1959,1.56
1960,1.69
1961,1.84
1962,2.01
1963,2.21
1964,2.43
1965,2.67
1966,2.93
1967,3.22
1968,3.52
1969,3.83
1970,4.45
1971,4.75
1972,4.91
1973,5.7
1974,6.32
1975,5.61
1976,6.7
1977,7.38
1978,8.01
1979,8.34
1980,8.79
1981,8.99
1982,8.38
1983,9.62
1984,10.1
1985,9.96
1986,10.6
1987,10.9
1988,12.6
1989,13.4
1990,15.9
1991,17.3
1992,17.8
1993,18.1
1994,21.1
1995,25.2
1996,24.6
1997,24.4
1998,23.7
1999,24.4
2000,22.9
2001,19.5
2002,16.2
2003,16.2
2004,12.4
2005,12.8
2006,14.6
2007,16.7
2008,19.3
2009,20.9
2010,23.3
2011,26.1
2012,29.4
2013,32.1
2014,35.8
2015,39.3
2016,42.6
2017,44.9
2018,47.0