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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,526 | 14,110 | 14,110 |
| 2006 | $30,132 | 9,855 | 9,855 |
| 2007 | $15,576 | 9,549 | 9,549 |
| 2008 | $13,152 | 6,106 | 6,106 |
| 2009 | $10,006 | 4,137 | 4,137 |
| 2010 | $10,280 | 3,653 | 3,653 |
| 2011 | $9,358 | 3,920 | 3,920 |
Note: Quantity represents Weight in kilograms
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