|Total||Age 18 to 34||Age 35 to 64||Age 65+|
|Definitely should allow||18.2||19.4||20.1||9.8|
|Probably should allow||20.8||27.1||19.8||12.4|
|Probably should not allow||17.1||16.5||17.5||17|
|Definitely should not allow||29.8||26.6||28.7||39.5|
NOTE: Totals may not add to 100 percent due to rounding.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Omnibus Household Survey, October 2005.