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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,655 | 36,209 | 36,209 |
| 2006 | $23,643 | 24,257 | 24,257 |
| 2007 | $53,098 | 39,068 | 39,068 |
| 2008 | $15,582 | 6,749 | 6,749 |
| 2009 | $23,851 | 14,458 | 14,458 |
| 2010 | $24,650 | 15,991 | 15,991 |
| 2011 | $35,961 | 19,611 | 19,611 |
Note: Quantity represents Weight in kilograms
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