![]() Surveys are another way to measure consumption or intake. ![]() To get closer to actual consumption amounts, ERS produces a second data series that adjusts the availability data to account for spoilage, plate waste, and losses from nonedible parts (see table below).ĭownload larger size chart (500 pixels by 606, 96 dpi) production for exports and imports, seed and feed use, beginning and ending inventories, and industrial uses yields the amount of a commodity available for domestic consumption. Going back to 1909 for most commodities, the food availability data are useful for understanding national trends in food consumption and for calculating the approximate nutrient content of the food supply. Some surveys report food bought at grocery stores and other retailers (food at home), while others capture purchases in fast food places, restaurants, and other eating places (food away from home).ĮRS food availability data measure the flow of raw and semiprocessed food commodities through the U.S. Some data sources depend on production or sales statistics, and others rely on consumers to report what they eat. Researchers rely on a number of surveys and data sources, each with strengths and weaknesses. But charting the eating habits of 300 million people is not easy. Health professionals, farmers, food companies, and policymakers want to know what Americans are eating, both the type of foods and how much. Smith, and Biing-Hwan Lin Got Data? Multiple Data Sources Track U.S.
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