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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,810 | 18,003 | 18,003 |
| 2006 | $14,202 | 18,411 | 18,411 |
| 2007 | $4,025 | 1,606 | 1,606 |
| 2008 | $4,210 | 1,441 | 1,441 |
| 2009 | $36,772 | 75,468 | 75,468 |
| 2010 | $1,408 | 483 | 483 |
| 2011 | $3,833 | 997 | 997 |
Note: Quantity represents Weight in kilograms
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