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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Instruments, app. & models designed for demonstrational purps. (e.g., in ed ... | $2,983,731 | $7,665,287 | $10,294,661 | $11,244,533 | $5,446,030 | $7,981,393 |
| Total | $2,983,731 | $7,665,287 | $10,294,661 | $11,244,533 | $5,446,030 | $7,981,393 |
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