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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $34,184 | 12,337 | 12,337 |
| 2006 | $34,771 | 16,062 | 16,062 |
| 2007 | $42,102 | 14,258 | 14,258 |
| 2008 | $40,233 | 11,781 | 11,781 |
| 2009 | $46,815 | 18,173 | 18,173 |
| 2010 | $37,393 | 16,227 | 16,227 |
| 2011 | $53,117 | 17,120 | 17,120 |
Note: Quantity represents Weight in kilograms
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