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
1921,0.0846
1922,0.314
1923,0.652
1924,1.06
1925,1.51
1926,1.96
1927,2.37
1928,2.71
1929,2.94
1930,3.02
1931,2.95
1932,2.77
1933,2.49
1934,2.16
1935,1.8
1936,1.44
1937,1.11
1938,0.833
1939,0.648
1940,0.58
1941,0.591
1942,0.625
1943,0.676
1944,0.744
1945,0.826
1946,0.917
1947,1.02
1948,1.12
1949,1.23
1950,1.33
1951,1.45
1952,1.57
1953,1.71
1954,1.87
1955,2.03
1956,2.21
1957,2.41
1958,2.61
1959,2.84
1960,3.07
1961,3.34
1962,3.65
1963,4.01
1964,4.41
1965,4.84
1966,5.32
1967,5.83
1968,6.38
1969,6.95
1970,8.06
1971,8.61
1972,8.89
1973,10.3
1974,11.4
1975,10.2
1976,12.1
1977,13.3
1978,14.5
1979,15.1
1980,15.9
1981,16.2
1982,15.1
1983,17.4
1984,18.1
1985,17.9
1986,19.0
1987,19.6
1988,22.6
1989,24.0
1990,21.7
1991,24.1
1992,26.1
1993,30.6
1994,33.7
1995,32.9
1996,41.1
1997,43.5
1998,52.0
1999,56.3
2000,62.2
2001,60.4
2002,68.1
2003,73.0
2004,77.9
2005,84.3
2006,92.6
2007,101.0
2008,111.0
2009,120.0
2010,127.0
2011,131.0
2012,134.0
2013,136.0
2014,139.0
2015,138.0
2016,138.0
2017,136.0
2018,129.0