Ivory Coast has, for the region, a relatively high income per capita (US$1,662 in 2017) and plays a key role in transit trade for neighbouring, landlocked countries. The country is the largest economy in the West African Economic and Monetary Union, constituting 40% of the monetary union's total GDP. The country is the world's largest exporter of cocoa beans, and the fourth-largest exporter of goods, in general, in sub-Saharan Africa (following South Africa, Nigeria, and Angola).