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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,563 | 2,579 | 2,579 |
| 2006 | $13,139 | 2,267 | 2,267 |
| 2007 | $10,927 | 2,049 | 2,049 |
| 2008 | $17,242 | 6,956 | 6,956 |
| 2009 | $29,436 | 5,388 | 5,388 |
| 2010 | $27,844 | 5,624 | 5,624 |
| 2011 | $24,180 | 7,386 | 7,386 |
Note: Quantity represents Weight in kilograms
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