| Characteristic | 2010 | 2011 | 2012 | 2013 |
|---|---|---|---|---|
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
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Source
Release date
October 2014
Region
United States
Survey time period
2010 to 2013
Supplementary notes
2010-2012 data were taken from previous editions of the same report.
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