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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $41,415 | 18,455 | 18,455 |
| 2006 | $57,116 | 25,631 | 25,631 |
| 2007 | $66,721 | 28,869 | 28,869 |
| 2008 | $67,947 | 27,739 | 27,739 |
| 2009 | $68,895 | 29,367 | 29,367 |
| 2010 | $5,919 | 817 | 817 |
| 2011 | $1,414 | 279 | 279 |
Note: Quantity represents Weight in kilograms
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