Most international arrivals in 2018 were Chinese. Tourism receipts exceeded US$4.4 billion in 2018, accounting for almost ten percent of the kingdom's gross national product. The Angkor Wat historical park in Siem Reap Province, the beaches in Sihanoukville, the capital city Phnom Penh, and Cambodia's 150 casinos (up from just 57 in 2014) are the main attractions for foreign tourists.