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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,241 | 4,408 | 4,408 |
| 2006 | $9,345 | 2,970 | 2,970 |
| 2007 | $16,506 | 8,232 | 8,232 |
| 2008 | $23,940 | 23,808 | 23,808 |
| 2009 | $19,848 | 15,232 | 15,232 |
| 2010 | $30,246 | 9,734 | 9,734 |
| 2011 | $18,210 | 23,033 | 23,033 |
Note: Quantity represents Weight in kilograms
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