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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,546 | 1,895 | 1,895 |
| 2006 | $24,000 | 2,129 | 2,129 |
| 2007 | $20,558 | 3,106 | 3,106 |
| 2008 | $28,282 | 2,604 | 2,604 |
| 2009 | $14,473 | 1,941 | 1,941 |
| 2010 | $30,224 | 2,286 | 2,286 |
| 2011 | $24,062 | 1,689 | 1,689 |
Note: Quantity represents Weight in kilograms
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