Courtesy of USDA ERS. Over the last decade, retail food price inflation in the United States has bounced around a bit, with yearly price increases ranging from 0.3 to 6.4 percent. In 2007 and 2008, grocery store prices rose 4.2 and 6.4 percent, respectively—well above the 20-year annual average increase of 2.6 percent. Inflation during […]