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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,375 | 3,773 | 3,773 |
| 2006 | $77,798 | 7,971 | 7,971 |
| 2007 | $27,786 | 2,895 | 2,895 |
| 2008 | $23,176 | 2,532 | 2,532 |
| 2009 | $24,044 | 2,503 | 2,503 |
| 2010 | $33,582 | 3,519 | 3,519 |
| 2011 | $27,522 | 2,857 | 2,857 |
Note: Quantity represents Weight in kilograms
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