Source: US. Bureau of Labor Statistics
Release: Consumer Price Index
US. Bureau of Labor Statistics, Consumer Price Index for All Urban Consumers: Nondurables less food, beverages, and apparel in Size Class A (over 1,500,000 persons) [CUUSA000SANL113], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/CUUSA000SANL113/, September 1, 2015.