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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,263 | 2,368 | 2,368 |
| 2006 | $20,457 | 2,829 | 2,829 |
| 2007 | $24,799 | 2,529 | 2,529 |
| 2008 | $28,795 | 2,954 | 2,954 |
| 2009 | $22,243 | 1,931 | 1,931 |
| 2010 | $20,436 | 2,412 | 2,412 |
| 2011 | $10,802 | 775 | 775 |
Note: Quantity represents Weight in kilograms
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