The U.S. Armed Forces has used the Social Security number as an identification number for the Army and Air Force since July 1, 1969, the Navy and Marine Corps since January 1, 1972, and the Coast Guard since October 1, 1974. Previously, the United States military used a much more complicated system of service numbers.
| Share | Cite. Cameroon (kÄmËÉrÅnË) [ key ], Fr. Cameroun, officially Republic of Cameroon, republic (2005 est. pop. 16,380,000), 183,568 sq mi (475,442 sq km), W central Africa.
GDP per capita in Cameroon averaged 895.79 USD from 1960 until 2014, reaching an all time high of 1356.13 USD in 1986 and a record low of 640.70 USD in 1967.he Gross Domestic Product per capita in Cameroon was last recorded at 1021.58 US dollars in 2014.