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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,975 | 1,715 | 1,715 |
| 2006 | $18,839 | 807 | 807 |
| 2007 | $63,013 | 2,406 | 2,406 |
| 2008 | $57,494 | 4,838 | 4,838 |
| 2009 | $53,213 | 8,825 | 8,825 |
| 2010 | $127,788 | 9,870 | 9,870 |
| 2011 | $74,961 | 8,314 | 8,314 |
Note: Quantity represents Weight in kilograms
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