According to a U.N. report released Monday, for the 16th straight year, the U.S. ranks first in the world in Mexican-food availability. 'The U.S. boasts an unrivaled abundance of Mexican food, producing 23 billion pounds of tacos, enchiladas, and burritos in 1999,' the report read. 'No other nation on Earth can claim such plenty with regard to beans-and-rice-based Mexican fare.' Japan ranked second, with the top five rounded out by Canada, Mexico, and the United Kingdom. 