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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $53,479 | 276 | 276 |
| 2006 | $12,870 | 4,242 | 4,242 |
| 2007 | $29,748 | 14,591 | 14,591 |
| 2008 | $14,969 | 11,977 | 11,977 |
| 2009 | $10,298 | 2,432 | 2,432 |
| 2010 | $4,609 | 1,185 | 1,185 |
| 2011 | $4,218 | 990 | 990 |
Note: Quantity represents Weight in kilograms
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