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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,270 | 20,174 | 20,174 |
| 2006 | $3,758 | 8,996 | 8,996 |
| 2007 | $7,011 | 11,737 | 11,737 |
| 2008 | $4,769 | 11,821 | 11,821 |
| 2009 | $4,417 | 11,495 | 11,495 |
| 2010 | $5,954 | 14,992 | 14,992 |
| 2011 | $4,611 | 16,507 | 16,507 |
Note: Quantity represents Weight in kilograms
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