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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,452 | 568 | 568 |
| 2006 | $1,750 | 876 | 876 |
| 2007 | $27,062 | 16,367 | 16,367 |
| 2008 | $36,164 | 20,464 | 20,464 |
| 2009 | $28,530 | 21,352 | 21,352 |
| 2010 | $129,765 | 43,753 | 43,753 |
| 2011 | $29,875 | 3,526 | 3,526 |
Note: Quantity represents Weight in kilograms
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