The series is a derived line called Total excluding motor vehicle and parts and gasoline stations, inside the Census Bureau advance retail release. It is produced by MARTS (the Advance Monthly Retail Trade Survey, an early national estimate of store and restaurant sales). It covers employer firms only, excluding nonemployers, in retail plus food services and drinking places under NAICS sectors 44 to 45 and subsector 722. It removes only motor vehicle and parts dealers and gasoline stations, and values are nominal dollars, meaning sales at current prices without inflation adjustment.