decline in economic activity and a serious degradation of economic infrastructures. Sierra Leone's short-term prospects depend upon continued adherence to International Monetary Fund programs and continued external assistance. Telecommunications Radio is the most-popular and most-trusted media source in Sierra Leone, with 72% of people in the country listening to the radio daily. Sierra Leone is home to one government-owned national radio station and roughly two dozen private radio stations, as well as one government-owned and one private TV station. Telephone and telegraph services are marginal, but improving. Internet usage is low, reaching just 1.3% of the population in 2012, but improving with growth in 3G mobile cellular data services and the mid-2011 arrival of the ACE international fiber-optic cable system in Freetown. Tourism According to the International Labour Organization, approximately 8,000 Sierra Leoneans are employed in the tourism industry, with a growing number of jobs expected to be created in the future. The main entrance point is Freetown International Airport, where transport to and from has been problematic. The main attractions for tourist in Sierra Leone are the beaches, nature reserves and mountains. Transport Because of widespread poverty, high petroleum prices and a large portion of the population residing in small communities, walking is often the preferred method of transportation in Sierra Leone. There are 11,700 kilometres (7,270 mi) of highway in Sierra Leone, of which 936 km (582 mi) are paved. There are 800 km (497 mi) of waterways in Sierra Leone, of which 600 km (373 mi) are navigable year-round. Major ports of Sierra Leone include: Bonthe, Freetown and Pepel. Queen Elizabeth II Quay in Freetown represents the country's only deep water port facility capable of berthing large-hulled cargo or military vessels. There are ten airports in Sierra Leone, of which one - Lungi International Airport in Freetown - has a paved runway in excess of 3000m in length. Of the remaining airports, all of which have unpaved runways, seven have runways of lengths between ; the remaining two having runways of shorter length. There are two heliports in the country. Trade and investment Mineral exports remain Sierra Leone's principal foreign exchange earner. Sierra Leone is a major producer of gem-quality diamonds. Though rich in this resource, the country has historically struggled to manage its exploitation and export. Annual production estimates range between $70–$250 million; however, only a fraction of that passes through formal export channels (1999: $1.2