Coconuts, cinammon, vanilla, sweet potatoes, cassava, and bananas are grown. Tourism, which has expanded greatly since the 1970s, provides the bulk of the country's hard currency earnings. Fishing, agricultural processing, and boat building are the other important industries. Processed fish, cinnamon bark, copra, and vanilla are exported. Machinery and equipment, foodstuffs, petroleum products, and chemicals are imported. Spain, Great Britain, France, Saudi Arabia, and South Africa are important trading partners.