Energy drink sales in millions of dollars in the United States from 2002–2006. Data are based on scanner data from over 32,000 stores such as supermarkets, drug stores, and discount merchandisers other than Wal-Mart. Data are from retailers with $2 million or more in annual sales but exclude: clubstores/warehouse clubs, convenience stores, dollar/variety stores, foodservice, vending, concession sales and specialty channels/retailers of all types (e.g., gourmet/specialty food stores, hardware/home improvements stores, military exchanges) (Packaged Facts, 2007 used with permission).