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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,356 | 291 | 291 |
| 2006 | $34,765 | 745 | 745 |
| 2007 | $25,505 | 1,959 | 1,959 |
| 2008 | $149,574 | 3,688 | 3,688 |
| 2009 | $82,912 | 3,155 | 3,155 |
| 2010 | $97,739 | 2,650 | 2,650 |
| 2011 | $175,773 | 2,852 | 2,852 |
Note: Quantity represents Weight in kilograms
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