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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,537 | 7,229 | 7,229 |
| 2006 | $39,309 | 32,903 | 32,903 |
| 2007 | $54,047 | 35,117 | 35,117 |
| 2008 | $29,198 | 11,300 | 11,300 |
| 2009 | $19,500 | 9,343 | 9,343 |
| 2010 | $53,618 | 22,690 | 22,690 |
| 2011 | $70,739 | 37,478 | 37,478 |
Note: Quantity represents Weight in kilograms
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