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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,900 | 912 | 912 |
| 2006 | $23,100 | 1,938 | 1,938 |
| 2007 | $26,700 | 1,642 | 1,642 |
| 2008 | $73,900 | 3,757 | 3,757 |
| 2009 | $34,600 | 1,604 | 1,604 |
| 2010 | $48,800 | 1,252 | 1,252 |
| 2011 | $94,600 | 3,469 | 3,469 |
Note: Quantity represents Weight in kilograms
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