Low income earner threshold exemptions were also increased. The low income earner exemption thresholds were also raised. Petroleum was the major income earner for Sarawak during this period. The shrimp and fish industry is by far the largest income earner. It is a major earner of foreign exchange and the largest employer. Modern retailing is a big business and revenue earner for the city. Mineral exports remain the main currency earner. Tourism is a major foreign currency earner. Tourism is the fourth highest earner of foreign exchange for the country. Grenada has a small economy in which tourism is the major foreign exchange earner. Tourism is the second largest foreign exchange earner in Morocco after the phosphate industry. Paulie soon becomes Tony's biggest earner. Tourism is a potentially large foreign exchange earner and a source of economic growth. The film industry remains an important earner for the British economy. Coffee is the single major export earner for the country.