Question: In what year was the airline servicing between 250,000 and 300,000 passengers founded ?

text: Bergen Airport, Flesland
Traffic
In 2014 , Bergen Airport had 6,078,589 passengers , 106,225 aircraft movements and 5,199 tonnes of cargo , making it the country 's second-busiest airport . The passenger numbers consisted of 3,669,600 domestic scheduled , 2,162,781 international scheduled , 138,252 transit passengers , 246,208 helicopter passengers . [ 2 ] Bergen has ten percent of the Norway 's international traffic . [ 98 ] Sixty-four percent of the airport 's domestic traffic was business , [ 99 ] compared to thirty-five percent for international flights . Seventy-one percent of the international traffic was generated by people living in Norway . [ 100 ] For domestic flights , SAS has a market share of 46 percent , Norwegian 38 percent , Widerøe 15 percent and others 1 percent . [ 77 ] For international flights , Norwegian has a market share of 36 percent , SAS 23 percent , KLM 18 percent , Lufthansa 9 percent and others 15 percent . In comparison , in 2003 SAS had a market share of 71 percent for international routes and 78 percent for domestic routes . [ 78 ] In 2011 , the route Oslo–Bergen had 1,680,000 passengers , making it the second busiest route in Norway ( after Oslo–Trondheim ) . [ 101 ] It was in 2007 the seventh-busiest route in Europe . [ 102 ] The routes from Bergen to Stavanger and Trondheim are the busiest routes in Norway which do not operate through Oslo . [ 101 ] Norwegian and SAS nearly split the Oslo market evenly , although SAS has 54 percent of the business market and Norwegian 58 percent of the leisure market . [ 103 ] Since 2003 , the percentage of passengers traveling from Bergen who are dependent on transferring abroad before reaching their ultimate destination has fallen from about 60 percent to below 40 percent . [ 104 ]
Bergen Airport, Flesland (Norwegian: Bergen lufthavn, Flesland; IATA: BGO, ICAO: ENBR), alternatively Bergen Flesland Airport or simply Flesland Airport, is an international airport located at Flesland in the city and municipality of Bergen in Vestland county, Norway. Opened in 1955, it is the second-busiest airport in Norway, with 6,306,623 passengers in 2018. Flesland is operated by the state-owned Avinor. Until 1999 Flesland Air Station of the Norwegian Air Force was co-located at the airport. Scandinavian Airlines (SAS), Norwegian Air Shuttle and Widerøe are the largest airlines operating at the airport. The route to Oslo Airport, Gardermoen is among the busiest in Europe. A substantial traffic is generated by CHC Helikopter Service and Bristow Norway to offshore oil platforms in the North Sea. Originally Bergen was served by water aerodromes at Flatøy, Sandviken, and Herdla. Financing of Flesland was largely secured through NATO funds and the airport opened on 2 October 1955. Until the 1980s, Bergen was the Norwegian airport used for SAS' intercontinental flights to New York. New terminals were opened in 1988 and in August 2017. The Bergen Light Rail was extended to the airport and opened in April 2017.
Rank City Passengers Airline
1 London-Gatwick and London-Heathrow , United Kingdom 604,211 British Airways , Norwegian Air Shuttle , Scandinavian Airlines
2 Copenhagen , Denmark 328,579 Norwegian Air Shuttle , Scandinavian Airlines
3 Amsterdam , Netherlands 258,859 KLM
4 Frankfurt am Main , Germany 213,300 Cityjet , Lufthansa
5 Stockholm-Arlanda , Sweden 115,830 Norwegian Air Shuttle , Scandinavian Airlines
6 Paris-Orly , France 73,921 Norwegian Air Shuttle
7 Barcelona , Spain 69,534 Norwegian Air Shuttle , Scandinavian Airlines , Vueling
8 Berlin-Schönefeld and Berlin-Tegel , Germany 54,827 Air Berlin , Lufthansa , Norwegian Air Shuttle
9 Aberdeen , United Kingdom 51,484 Widerøe
10 Reykjavik-Keflavík , Iceland 40,721 Icelandair