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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,628 | 7,807 | 7,807 |
| 2006 | $15,397 | 10,105 | 10,105 |
| 2007 | $14,025 | 27,366 | 27,366 |
| 2008 | $6,970 | 3,606 | 3,606 |
| 2009 | $29,456 | 16,985 | 16,985 |
| 2010 | $21,674 | 15,772 | 15,772 |
| 2011 | $12,420 | 5,252 | 5,252 |
Note: Quantity represents Weight in kilograms
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