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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,290 | 2,581 | 2,581 |
| 2006 | $14,748 | 10,440 | 10,440 |
| 2007 | $17,496 | 2,815 | 2,815 |
| 2008 | $7,386 | 1,740 | 1,740 |
| 2009 | $7,380 | 2,068 | 2,068 |
| 2010 | $8,216 | 2,270 | 2,270 |
| 2011 | $6,940 | 1,531 | 1,531 |
Note: Quantity represents Weight in kilograms
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