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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,227 | 373 | 373 |
| 2006 | $8,136 | 872 | 872 |
| 2007 | $9,412 | 3,649 | 3,649 |
| 2008 | $1,885 | 750 | 750 |
| 2009 | $38,688 | 22,691 | 22,691 |
| 2010 | $53,818 | 57,246 | 57,246 |
| 2011 | $112,757 | 105,543 | 105,543 |
Note: Quantity represents Weight in kilograms
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