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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,840 | 986 | 986 |
| 2006 | $7,578 | 1,668 | 1,668 |
| 2007 | $10,741 | 1,548 | 1,548 |
| 2008 | $14,647 | 2,589 | 2,589 |
| 2009 | $20,306 | 1,650 | 1,650 |
| 2010 | $17,163 | 1,033 | 1,033 |
| 2011 | $12,162 | 1,724 | 1,724 |
Note: Quantity represents Weight in kilograms
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