|Rating||All Passengers||Satisfied Passengers|
|Estimate (percent)||Standard Error (percent)||Sample Size||Estimate (percent)||Standard Error (percent)||Sample Size|
KEY: -- = Unreliable estimate; NA = Not applicable
NOTE: All estimates are weighted to represent U.S. noninstitutionalized adult population (18 and older).
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Omnibus Household Survey, December 2004.