U.S. Bureau of Labor Statistics U.S. Bureau of Labor StatisticsEffective with March 2012 CPI data, Supplemental files in XLS format were made available. Archived files are posted here.
Caution: data in archived CPI Supplemental files may have been revised in subsequent editions. In particular, seasonally adjusted indexes and percent changes are revised with the release of January data each year for the preceding five years.
Last Modified Date: May 16, 2013
