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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,627 | 16,902 | 16,902 |
| 2006 | $13,515 | 31,299 | 31,299 |
| 2007 | $12,547 | 21,040 | 21,040 |
| 2008 | $41,497 | 39,894 | 39,894 |
| 2009 | $30,647 | 30,333 | 30,333 |
| 2010 | $26,867 | 22,928 | 22,928 |
| 2011 | $24,208 | 22,733 | 22,733 |
Note: Quantity represents Weight in kilograms
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