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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,665 | 1,545 | 1,545 |
| 2006 | $12,222 | 1,915 | 1,915 |
| 2007 | $11,569 | 1,733 | 1,733 |
| 2008 | $14,320 | 1,177 | 1,177 |
| 2009 | $18,139 | 2,300 | 2,300 |
| 2010 | $74,603 | 10,113 | 10,113 |
| 2011 | $18,966 | 2,645 | 2,645 |
Note: Quantity represents Weight in kilograms
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