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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,271 | 1,735 | 1,735 |
| 2006 | $40,199 | 5,987 | 5,987 |
| 2007 | $63,679 | 8,723 | 8,723 |
| 2008 | $39,616 | 5,184 | 5,184 |
| 2009 | $64,509 | 7,983 | 7,983 |
| 2010 | $28,764 | 3,586 | 3,586 |
| 2011 | $2,048 | 97 | 97 |
Note: Quantity represents Weight in kilograms
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