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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,550 | 10,900 | 10,900 |
| 2006 | $8,741 | 7,899 | 7,899 |
| 2007 | $6,969 | 5,418 | 5,418 |
| 2008 | $1,000 | 2,633 | 2,633 |
| 2009 | $25,509 | 56,408 | 56,408 |
| 2010 | $53,096 | 99,563 | 99,563 |
| 2011 | $99,618 | 118,665 | 118,665 |
Note: Quantity represents Weight in kilograms
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