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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,400 | 1,242 | 1,242 |
| 2006 | $35,900 | 1,915 | 1,915 |
| 2007 | $24,600 | 1,069 | 1,069 |
| 2008 | $16,500 | 2,002 | 2,002 |
| 2009 | $18,200 | 1,227 | 1,227 |
| 2010 | $38,600 | 1,011 | 1,011 |
| 2011 | $63,100 | 1,790 | 1,790 |
Note: Quantity represents Weight in kilograms
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