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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,553 | 7,984 | 7,984 |
| 2006 | $38,549 | 9,202 | 9,202 |
| 2007 | $30,686 | 12,159 | 12,159 |
| 2008 | $17,994 | 18,602 | 18,602 |
| 2009 | $15,606 | 16,594 | 16,594 |
| 2010 | $21,686 | 14,666 | 14,666 |
| 2011 | $33,858 | 17,407 | 17,407 |
Note: Quantity represents Weight in kilograms
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