From a summary of the 2012 US Pet Ownership and Demographics Sourcebook at the August 2012 convention of the AVMA (American Veterinary Association) in a 2012 September 6 article in PetfoodIndustry.com: “This survey of nearly 50,000 US households found that US pet ownership decreased by 2.4 percent from 2006-11, while pet spending increased. The average expenditure per dog was US$227 in 2011, up from US$200 in 2006. Expenditures per cat increased from US$81 to US$90.”