Between 1960 and 2007, the share of disposable personal income spent on total food by Americans, on average, fell from 17.5 to 9.6 percent http://www.ers.usda.

Between 1960 and 2007, the share of disposable personal income spent on total food by Americans, on average, fell from 17.5 to 9.6 percent http://www.ers.usda.gov/data-products/chart-gallery/detail.aspx?chartId=40094&ref=collection&embed=True http://www.ers.usda.gov/data-products/chart-gallery/detail.a...