1972-1979[]
1980-1983[]
1984-1987[]
1988-1991[]
1992-1999[]
2000-2003[]
2004-present[]
Antigua and Barbuda | Argentina | Aruba | Bahamas | Barbados | Belize | Bermuda | Bolivia | Brazil | British Virgin Islands | Canada | Cayman Islands | Chile | Colombia | Costa Rica | Cuba | Dominica | Dominican Republic | Ecuador | El Salvador | Grenada | Guatemala | Guyana | Haiti | Honduras | Jamaica | Mexico | Nicaragua | Panama | Paraguay | Peru | Puerto Rico | Saint Kitts and Nevis | Saint Lucia | Saint Vincent and the Grenadines | Suriname | Trinidad and Tobago | United States | U.S. Virgin Islands | Uruguay | Venezuela
Former member: |