Information:  - Gabon Airlines is the name of two incarnations of Gabonese airline , headquartered in Libreville . The first incarnation of Gabon Airlines which was operated from 2007 to 2012 , concentrating on African and European flight services out of Libreville International Airport . In April 2015 , the second incarnation of Gabon Airlines is due to redeveloped as a flag carrier , replacing the original Air Gabon .  - Central Africa is a core region of the African continent which includes Burundi, the Central African Republic, Chad, the Democratic Republic of the Congo, and Rwanda. Middle Africa (as used by the United Nations when categorising geographic subregions) is an analogous term that includes Angola, Cameroon, the Central African Republic, Chad, the Republic of the Congo, the Democratic Republic of the Congo, Equatorial Guinea, Gabon, and São Tomé and Príncipe. All of the states in the UN subregion of Middle Africa, plus those otherwise commonly reckoned in Central Africa (11 states in total), constitute the Economic Community of Central African States (ECCAS). Since its independence in 2011, South Sudan has also been commonly included in the region.  - Africa is the world's second-largest and second-most-populous continent. At about 30.3 million km² (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20.4 % of its total land area. With 1.1 billion people as of 2013, it accounts for about 15% of the world's human population. The continent is surrounded by the Mediterranean Sea to the north, both the Suez Canal and the Red Sea along the Sinai Peninsula to the northeast, the Indian Ocean to the southeast, and the Atlantic Ocean to the west. The continent includes Madagascar and various archipelagos. It contains 54 fully recognized sovereign states (countries), nine territories and two "de facto" independent states with limited or no recognition.  - Air Gabon was the national, state-owned airline of Gabon, operating out of Libreville International Airport to a variety of destinations across Western and Southern Africa, as well as to Europe, South America and the Middle East. Founded in 1951, the airline went bankrupt in 2006.  - Gabon, officially the Gabonese Republic, is a sovereign state on the west coast of Central Africa. Located on the equator, Gabon is bordered by Equatorial Guinea to the northwest, Cameroon to the north, the Republic of the Congo on the east and south, and the Gulf of Guinea to the west. It has an area of nearly and its population is estimated at 1.5 million people. Its capital and largest city is Libreville.    After reading the paragraphs above, choose the best answer for the entity that related to 'gabon airlines' with the relationship of 'dissolved or abolished'.  Choices: - 1951  - 2006  - 2011  - 2013
2011