| Firm size (number of employees) | 2008 | 2009 | 2010 |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
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Source
Release date
June 2012
Region
United States
Survey time period
2008 to 2010
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