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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,416 | 38,000 | 38,000 |
| 2006 | $1,424 | 4,460 | 4,460 |
| 2007 | $9,303 | 30,660 | 30,660 |
| 2008 | $8,548 | 20,345 | 20,345 |
| 2009 | $4,413 | 17,677 | 17,677 |
| 2010 | $18,463 | 134,954 | 134,954 |
| 2011 | $33,611 | 88,773 | 88,773 |
Note: Quantity represents Weight in kilograms
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