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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,180 | 8,302 | 8,302 |
| 2006 | $9,659 | 2,075 | 2,075 |
| 2007 | $26,546 | 5,000 | 5,000 |
| 2008 | $9,334 | 1,625 | 1,625 |
| 2009 | $17,900 | 2,132 | 2,132 |
| 2010 | $17,159 | 2,600 | 2,600 |
| 2011 | $1,896 | 250 | 250 |
Note: Quantity represents Weight in kilograms
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