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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,598 | 7,754 | 7,754 |
| 2006 | $39,362 | 26,719 | 26,719 |
| 2007 | $11,703 | 4,872 | 4,872 |
| 2008 | $51,069 | 19,705 | 19,705 |
| 2009 | $42,470 | 46,969 | 46,969 |
| 2010 | $40,892 | 25,073 | 25,073 |
| 2011 | $55,503 | 46,167 | 46,167 |
Note: Quantity represents Weight in kilograms
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