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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $37,582 | 6,333 | 6,333 |
| 2006 | $28,906 | 4,281 | 4,281 |
| 2007 | $28,435 | 3,340 | 3,340 |
| 2008 | $29,947 | 2,751 | 2,751 |
| 2009 | $56,174 | 4,229 | 4,229 |
| 2010 | $41,541 | 2,852 | 2,852 |
| 2011 | $50,076 | 2,018 | 2,018 |
Note: Quantity represents Weight in kilograms
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