Anna McGarrigle

Information from NBC Washington.

Information from the Washington Post.

Information from the National Retail Federation.

Updated: June 9, 2015 at 12:24 p.m. Information from the Washington Post and the U.S. Department of Agriculture (2).

Information from the New York Times.

Information from the National Retail Foundation.

Information from The New York Times.

Information from the Washington Post.

Source: The Washington Post.

Information from the Washington Post.