Togo is among the smallest countries in Africa, but possesses valuable phosphate deposits and a well-developed export sector based on agricultural products such as coffee; cocoa bean; and peanuts (groundnuts), which together generate roughly 30% of export earnings.  Cotton is the most important cash crop. The fertile land occupies 11.3% of the country, most of which is developed. Major crops are cassava, jasmine rice, maize and millet. Other important sectors are brewery and the textile industry. A permanent problem is the lack of electricity, because the country is able to produce only about a third of its consumption, the rest is covered by imports from Ghana and Nigeria. Low market prices for Togo's major export commodities, however, coupled with the volatile political situation of the 1990s and early 2000s, had a negative effect on the economy.