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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,559 | 3,000 | 3,000 |
| 2006 | $1,307 | 1,650 | 1,650 |
| 2007 | $7,761 | 18,000 | 18,000 |
| 2008 | $2,543 | 2,075 | 2,075 |
| 2009 | $14,961 | 21,200 | 21,200 |
| 2010 | $4,086 | 7,800 | 7,800 |
| 2011 | $7,144 | 25,264 | 25,264 |
Note: Quantity represents Weight in kilograms
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