The Advance Monthly Retail Trade Survey (MARTS) is compiled by the U.S. Census Bureau by mailing out questionnaires to a sampling of about 5,500 employer firms. The unadjusted figures provide an initial estimate of monthly sales in the retail and food service sectors. With the results from each industry, the Bureau computes a framework of sales data, giving insight into the current state of U.S. economic activity. The data provided is accurate as of March 1, 2021. June 2020 Advance Monthly Sales for Retail and Food Services Categories Retail stores