Trinidad and Tobago–United States relations include Extradition and Mutual Legal Assistance treaties, which have been in force since 1999. An agreement on Maritime Cooperation was signed in 1996. There are large numbers of U.S. citizens and permanent residents of Trinidadian origin living in the United States (mostly in New York and Florida), which keeps cultural ties strong. About 20,000 U.S. citizens visit Trinidad and Tobago on vacation or for business every year, and more than 4,600 American citizens are residents. Principal U.S. Embassy Officials include: The U.S. Embassy for the Republic of Trinidad and Tobago is located in the Capital-city Port of Spain, on the
Trinidad and Tobago the United States but losing 1–0. They play their home matches at the Hasely Crawford Stadium. Trinidad and Tobago hosted the 2001 FIFA U-17 World Championship, and hosted the 2010 FIFA U-17 Women's World Cup. The TT Pro League is the country's primary football competition and is the top level of the Trinidad and Tobago football league system. The Pro League serves as a league for professional football clubs in Trinidad and Tobago. The league began in 1999 as part of a need for a professional league to strengthen the country's national team and improve the development of domestic players.