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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,100 | 17,660 | 17,660 |
| 2006 | $6,792 | 135,463 | 135,463 |
| 2007 | $7,427 | 69,000 | 69,000 |
| 2008 | $10,777 | 111,379 | 111,379 |
| 2009 | $11,542 | 233,180 | 233,180 |
| 2010 | $4,330 | 107,000 | 107,000 |
| 2011 | $6,943 | 166,584 | 166,584 |
Note: Quantity represents Weight in kilograms
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