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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $63,300 | 50,104 | 50,104 |
| 2006 | $108,700 | 69,212 | 69,212 |
| 2007 | $26,500 | 11,437 | 11,437 |
| 2008 | $74,700 | 24,463 | 24,463 |
| 2009 | $165,500 | 21,787 | 21,787 |
| 2010 | $336,500 | 11,548 | 11,548 |
| 2011 | $450,800 | 2,977 | 2,977 |
Note: Quantity represents Weight in kilograms
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