| Characteristic | Yes | No | Don't know / No answer |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
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Release date
July 2014
Region
United States
Survey time period
2011 to 2013
Supplementary notes
The figures presented reflect the respective population in the United States. ÌÇÐÄÆÆ½â°æ calculated the figures based on the U.S. Census data and Simmons National Consumer Survey (NHCS).
Forecasts were created by ÌÇÐÄÆÆ½â°æ using mathematical approach of extrapolation.
Number of respondents (in millions): 2011: 311.72, 2012: 314.1, 2013: 316.43.
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