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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,337 | 2,723 | 2,723 |
| 2006 | $6,795 | 3,172 | 3,172 |
| 2007 | $7,288 | 3,042 | 3,042 |
| 2008 | $10,420 | 2,007 | 2,007 |
| 2009 | $12,289 | 2,463 | 2,463 |
| 2010 | $10,442 | 1,987 | 1,987 |
| 2011 | $12,712 | 2,117 | 2,117 |
Note: Quantity represents Weight in kilograms
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