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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,383 | 435 | 435 |
| 2006 | $53,786 | 6,983 | 6,983 |
| 2007 | $51,305 | 3,495 | 3,495 |
| 2008 | $171,139 | 24,564 | 24,564 |
| 2009 | $47,624 | 4,878 | 4,878 |
| 2010 | $21,734 | 1,611 | 1,611 |
| 2011 | $19,578 | 1,572 | 1,572 |
Note: Quantity represents Weight in kilograms
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