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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $308,791 | 449,114 | 449,114 |
| 2006 | $299,436 | 405,146 | 405,146 |
| 2007 | $278,925 | 303,069 | 303,069 |
| 2008 | $361,675 | 315,925 | 315,925 |
| 2009 | $302,204 | 323,648 | 323,648 |
| 2010 | $551,790 | 671,906 | 671,906 |
| 2011 | $454,128 | 373,570 | 373,570 |
Note: Quantity represents Weight in kilograms
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