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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Instruments, app. & models designed for demonstrational purps. (e.g., in ed ... | $7,378,872 | $14,454,894 | $30,688,432 | $9,944,767 | $5,928,814 | $3,149,764 | $1,903,331 |
| Total | $7,378,872 | $14,454,894 | $30,688,432 | $9,944,767 | $5,928,814 | $3,149,764 | $1,903,331 |
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