Year,CPI
1916,10.4
1920,16.5
1924,17.3
1928,17.9
1932,12.9
1936,14.2
1940,13.9
1944,17.4
1948,23.7
1952,26.5
1956,26.8
1960,29.3
1964,30.9
1968,34.1
1972,41.1
1976,55.6
1980,77.8
1984,101.9
1988,115.7
1992,138.1
1996,154.4
2000,168.8