"2011 was another strong year for commercial aviation as a total of 2,796 net orders were made and aircraft deliveries and order backlogs reached an all-time high.
Net orders for 2011 represented an increase of 78% on the previous year. Apart from the regional jet market, each segment benefited from a considerable increase in orders."
Full report:
http://www.flightglobal.com/news/articles/fleet-watch-year-2011-369106/