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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,550 | 3,838 | 3,838 |
| 2006 | $29,457 | 5,372 | 5,372 |
| 2007 | $54,880 | 8,905 | 8,905 |
| 2008 | $79,571 | 13,467 | 13,467 |
| 2009 | $74,823 | 13,425 | 13,425 |
| 2010 | $91,282 | 19,394 | 19,394 |
| 2011 | $64,041 | 12,037 | 12,037 |
Note: Quantity represents Weight in kilograms
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