The economy of Rwanda is overwhelmingly agricultural, with about 90% population engaged in subsistence farming. It is the most densely populated country in Africa and is landlocked with few natural resources and minimal industry. Primary foreign exchange earners are coffee and tea. The industries that are placed within this region are textiles, chemicals, and cement. The main imports are foodstuffs, machinery and equipment, steel, petroleum products, and construction materials; the principal exports are coffee, tea, hides, assertive, wolframite, and pyrethrum. The chief trading partners are Kenya, Germany, Belgium, Uganda, and China.