In Sri Lanka, services are the biggest sector of the economy and account for 58 percent of total GDP. Within services the most important segments are: wholesale and retail trade (21 percent); transport and communication (13 percent) and banking, insurance and real estate (11 percent). Industry accounts for 30 percent of total output. Within industry, manufacturing represents 18 percent of GDP and mining and construction account for 10 percent. The remaining 12 percent is contributed by agriculture, livestock, forestry and fishing.