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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,142 | 2,048 | 2,048 |
| 2006 | $1,736 | 2,570 | 2,570 |
| 2007 | $2,488 | 2,842 | 2,842 |
| 2008 | $1,675 | 1,840 | 1,840 |
| 2009 | $1,616 | 1,235 | 1,235 |
| 2010 | $3,451 | 2,245 | 2,245 |
| 2011 | $4,401 | 2,602 | 2,602 |
Note: Quantity represents Weight in kilograms
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