This chart shows the monthly, seasonally adjusted Consumer Price Index for the U.S. and that same index with the food and energy components subtracted. This data comes from St. Louis Federal Reserve series CPIAUCSL and CPILFESL. The data is scaled so that the current data points map to 100.
mccormick-charts.com: Topic - U.S. Inflation, U.S. CPI - Monthly (SA)
Wikipedia: United States Consumer Price Index