| Number of employees | 2008 | 2009 | 2010 |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
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Source
Release date
October 2012
Region
United States
Survey time period
2008 to 2010
Supplementary notes
Figures for 2008 and 2009 come from previous publications.
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