| Characteristic | 2001-2009 | 2010-2017 |
|---|---|---|
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
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Source
Release date
July 2017
Region
United States
Survey time period
April 2001 to April 2017
Number of respondents
16,315 respondents
Age group
16 years and older
Special properties
7,110 (2001-2009) and 9,205 (2010-2017)
Method of interview
Telephone interview
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