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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,700 | 3,045 | 3,045 |
| 2006 | $11,375 | 5,502 | 5,502 |
| 2007 | $15,933 | 13,000 | 13,000 |
| 2008 | $12,795 | 12,418 | 12,418 |
| 2009 | $21,728 | 30,189 | 30,189 |
| 2010 | $75,616 | 75,910 | 75,910 |
| 2011 | $157,202 | 111,043 | 111,043 |
Note: Quantity represents Weight in kilograms
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