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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Instruments, app. & models designed for demonstrational purps. (e.g., in ed ... | $13,350,364 | $20,831,262 | $12,596,443 | $15,308,402 | $13,140,583 | $18,310,217 | $15,550,872 |
| Total | $13,350,364 | $20,831,262 | $12,596,443 | $15,308,402 | $13,140,583 | $18,310,217 | $15,550,872 |
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