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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28,200 | 12,426 | 12,426 |
| 2006 | $15,891 | 6,547 | 6,547 |
| 2007 | $6,687 | 2,174 | 2,174 |
| 2008 | $7,681 | 2,238 | 2,238 |
| 2009 | $10,901 | 4,789 | 4,789 |
| 2010 | $9,330 | 4,322 | 4,322 |
| 2011 | $16,411 | 4,456 | 4,456 |
Note: Quantity represents Weight in kilograms
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