BEA Account Code: DPCCRG3
The number of decimal places reported varies over time.
Source: US. Bureau of Economic Analysis
Release: Gross Domestic Product
US. Bureau of Economic Analysis, Personal Consumption Expenditures: Chain-type Price Index Less Food and Energy [JCXFE], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/JCXFE/, September 1, 2015.