| Characteristic | Sales in million units |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Sources
Release date
June 2012
Region
United States
Survey time period
2008 to 2011
Supplementary notes
* The figures from 2012 through 2016 are estimates.
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