| Characteristic | Number of trips |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Source
Release date
April 2012
More information
Region
United States
Survey time period
April 20-30, 2012*
Number of respondents
2,212 respondents
Age group
18 years and older
Supplementary notes
* Date of survey applies to most recent data point; no specific dates are provided for other data points in this publication
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