Tourism is Washington's second-largest industry. Approximately 18.9 million visitors contributed an estimated $4.8 billion to the local economy in 2012. The district also hosts nearly 200 foreign embassies and international organizations such as the World Bank, the International Monetary Fund (IMF), the Organization of American States, the Inter-American Development Bank, and the Pan American Health Organization. In 2008, the foreign diplomatic corps in Washington employed about 10,000 people and contributed an estimated $400 million annually to the local economy.