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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,554 | 13,647 | 13,647 |
| 2006 | $20,619 | 12,087 | 12,087 |
| 2007 | $20,176 | 2,798 | 2,798 |
| 2008 | $19,564 | 5,073 | 5,073 |
| 2009 | $13,543 | 4,815 | 4,815 |
| 2010 | $25,485 | 8,175 | 8,175 |
| 2011 | $25,174 | 8,045 | 8,045 |
Note: Quantity represents Weight in kilograms
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