Merchant Wholesalers, Except Manufacturers' Sales Branches and Offices: Durable Goods: Professional and Commercial Equipment and Supplies Inventories/Sales Ratio (R4234IM163NCEN)

U.S. Census Bureau, Merchant Wholesalers, Except Manufacturers' Sales Branches and Offices: Durable Goods: Professional and Commercial Equipment and Supplies Inventories/Sales Ratio [R4234IM163NCEN], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/R4234IM163NCEN, .