This information is projected by Information Resources Inc. (IRI), a Chicago-based market research firm, to represent U.S. confectionery sales in specific retail channels: supermarkets, drugstores, gas/c-stores and mass market retailers (excluding Walmart, club stores and liquor stores). The data is collected by checkout scanners. There are certain mass merchandisers, theaters, vending, food service and gourmet shops not included.
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