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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,651 | 17,000 | 17,000 |
| 2006 | $5,640 | 5,000 | 5,000 |
| 2007 | $3,117 | 2,561 | 2,561 |
| 2008 | $18,228 | 12,000 | 12,000 |
| 2009 | $20,570 | 11,601 | 11,601 |
| 2010 | $7,704 | 4,800 | 4,800 |
| 2011 | $5,913 | 2,700 | 2,700 |
Note: Quantity represents Weight in kilograms
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