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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $294 | 17 | 17 |
| 2006 | $9,761 | 1,217 | 1,217 |
| 2007 | $76,629 | 13,387 | 13,387 |
| 2008 | $20,332 | 3,138 | 3,138 |
| 2009 | $60,444 | 5,467 | 5,467 |
| 2010 | $29,486 | 4,446 | 4,446 |
| 2011 | $11,686 | 1,572 | 1,572 |
Note: Quantity represents Weight in kilograms
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