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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,900 | 1,614 | 1,614 |
| 2006 | $52,000 | 1,840 | 1,840 |
| 2007 | $98,800 | 3,801 | 3,801 |
| 2008 | $157,100 | 6,676 | 6,676 |
| 2009 | $111,200 | 3,392 | 3,392 |
| 2010 | $120,500 | 3,437 | 3,437 |
| 2011 | $97,400 | 3,227 | 3,227 |
Note: Quantity represents Weight in kilograms
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