Passage: Airbus opened an assembly plant in Tianjin, People's Republic of China for its A320 series airliners in 2009. Airbus started constructing a $350 million component manufacturing plant in Harbin, China in July 2009, which will employ 1,000 people. Scheduled to be operated by the end of 2010, the 30,000 square metre plant will manufacture composite parts and assemble composite work-packages for the A350 XWB, A320 families and future Airbus programmes. Harbin Aircraft Industry Group Corporation, Hafei Aviation Industry Company Ltd, AviChina Industry & Technology Company and other Chinese partners hold the 80% stake of the plant while Airbus control the remaining 20%.North America is an important region to Airbus in terms of both aircraft sales and suppliers. 2,000 of the total of approximately 5,300 Airbus jetliners sold by Airbus around the world, representing every aircraft in its product line from the 107-seat A318 to the 565-passenger A380, are ordered by North American customers. According to Airbus, US contractors, supporting an estimated 120,000 jobs, earned an estimated $5.5 billion (2003) worth of business. For example, one version of the A380 has 51% American content in terms of work share value.

Question: What type of jetliner has a large work share value?
A380