Reference 1: GDP (PPP, 2014) millions of USD.
Reference 2: United States, Mexico, Canada, Cuba, Dominican Republic, Puerto Rico, Guatemala, Panama, Costa Rica and El Salvador.
Source: http://en.wikipedia.org/wiki/North_America
Reference 2: United States, Mexico, Canada, Cuba, Dominican Republic, Puerto Rico, Guatemala, Panama, Costa Rica and El Salvador.
Source: http://en.wikipedia.org/wiki/North_America
