"Palau's economy consists primarily of tourism, subsistence agriculture and fishing. Tourist activity focuses on scuba diving and snorkeling in the islands' rich marine environment, including its barrier reefs' walls and World War II wrecks."
Updated with more recent figures. A bunch of new countries were added, and Slovakia, UAE, Qatar, Czechia, and Hungary fell off the list. Of course, let me know if you see any discrepancies.
Also, who is going to Palau?