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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $473 | 542 | 542 |
| 2006 | $3,585 | 2,336 | 2,336 |
| 2007 | $6,687 | 3,901 | 3,901 |
| 2008 | $9,308 | 5,007 | 5,007 |
| 2009 | $3,909 | 2,059 | 2,059 |
| 2010 | $28,717 | 11,799 | 11,799 |
| 2011 | $134,495 | 34,442 | 34,442 |
Note: Quantity represents Weight in kilograms
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