Houston is a major hub for international business and trade. It has the busiest port for foreign tonnage in the US and was the top exporting metro area in 2012. Houston has a diverse population and is now the most ethnically and culturally diverse large metro area in the country. The region has over 90 consulate offices representing foreign nations and hundreds of foreign owned companies and firms conducting international business. Houston's top trading partners in 2012 were Mexico, Venezuela, and Saudi Arabia, with over $30 billion, $21 billion, and $15 billion respectively in annual trade.