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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,281 | 6,548 | 6,548 |
| 2006 | $14,105 | 4,035 | 4,035 |
| 2007 | $15,911 | 4,589 | 4,589 |
| 2008 | $22,131 | 5,141 | 5,141 |
| 2009 | $13,673 | 3,777 | 3,777 |
| 2010 | $12,885 | 3,128 | 3,128 |
| 2011 | $4,206 | 945 | 945 |
Note: Quantity represents Weight in kilograms
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