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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,300 | 8,657 | 8,657 |
| 2006 | $34,200 | 16,370 | 16,370 |
| 2007 | $46,800 | 25,408 | 25,408 |
| 2008 | $80,100 | 39,193 | 39,193 |
| 2009 | $38,500 | 27,019 | 27,019 |
| 2010 | $48,800 | 24,952 | 24,952 |
| 2011 | $18,500 | 8,362 | 8,362 |
Note: Quantity represents Weight in kilograms
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