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