|Departure Status||Estimate (percent)||Standard Error (percent)||Sample Size|
|Flew during the reference period||33.3||1.8||303|
|Did not fly during the reference period||66.7||1.8||585|
KEY: 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.