Statistics of U.S. Businesses / Statistics of U.S. Businesses - Employment ChangeStatistics of U.S. Businesses (SUSB) is an annual series that provides national and subnational data on the distribution of economic data by enterprise size and industry. SUSB covers most of the country's economic activity. The series excludes data on nonemployer businesses, private households, railroads, agricultural production, and most government entities. The SUSB Employment Change or dynamic data include number of establishments and corresponding employment change for births, deaths, expansions, and contractions.