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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,842 | 7,790 | 7,790 |
| 2006 | $7,354 | 3,056 | 3,056 |
| 2007 | $2,008 | 914 | 914 |
| 2008 | $8,841 | 3,356 | 3,356 |
| 2009 | $41,898 | 30,136 | 30,136 |
| 2010 | $13,418 | 2,799 | 2,799 |
| 2011 | $21,786 | 3,943 | 3,943 |
Note: Quantity represents Weight in kilograms
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