$4.1 billion: Amount spent on hot dogs and sausages in U.S. supermarkets, 2007

150 million: Number of hot dogs consumed on July 4

818: Hot dogs consumed every second from Memorial Day to Labor Day

$5.50: Price of the “Obama dog” at Hank’s Haute Dogs in Chicago

Source: The National Hot Dog and Sausage Council, www.hot-dog.org