The number of passengers in the US who gave up seats or were bumped by the airline, and the rate per 10,000 passengers:

2009 — 762,422; 13.1 per 10,000

2008 — 684,282; 11.9 per 10,000

2007 — 685,001; 12.1 per 10,000

2006 — 674,399; 12.2 per 10,000

2005 — 597,253; 11.6 per 10,000

2004 — 746,925; 14.3 per 10,000

2003 — 768,792; 15.8 per 10,000

2002 — 836,986; 17.9 per 10,000

2001 — 899,993; 18.8 per 10,000

2000 — 1,119,503; 20.6 per 10,000

Source: US Department of Transportation