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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,728 | 8,933 | 8,933 |
| 2006 | $15,278 | 9,538 | 9,538 |
| 2007 | $25,766 | 13,308 | 13,308 |
| 2008 | $13,612 | 5,326 | 5,326 |
| 2009 | $10,423 | 5,119 | 5,119 |
| 2010 | $13,903 | 5,450 | 5,450 |
| 2011 | $8,472 | 5,884 | 5,884 |
Note: Quantity represents Weight in kilograms
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