Services is the largest sector of the Ghanaian economy, accounting for 52 percent of the GDP. Within services, the most important sub-sectors are: transport and storage (10 percent); information and communication (9.8 percent); trade, repair of vehicles and household goods (7 percent) and financial and insurance activities; education and public administration & defense and social security (4 percent each). Also, industry accounts for 26 percent of the GDP with mining and quarrying (10 percent); construction (8 percent) and manufacturing (7 percent). Agriculture accounts for 22 percent, mainly crops (17 percent). On the expenditure side, household consumption is the main component of the GDP and accounts for 81 percent of its total use, followed by gross fixed capital formation (11 percent); government expenditure (10 percent) and changes in stocks (2 percent). Exports of goods and services account for 48 percent of GDP while imports for 52 percent, subtracting 4 percent of total GDP.