> Got any source for that? Sure: http://www.ers.usda.gov/data-products/food-expenditures.aspx#.UZrrwyv72K8 http://www.ers.usda.gov/data-products/food-expenditu

> Got any source for that? Sure: http://www.ers.usda.gov/data-products/food-expenditures.aspx#.UZrrwyv72K8 http://www.ers.usda.gov/data-products/food-expenditures.aspx... Download Table 7 (Food expenditures by families and individuals as a share of disposable personal income), and you will see a steady march from 24% of disposable income to 9%.