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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,670 | 2,096 | 2,096 |
| 2006 | $17,327 | 3,177 | 3,177 |
| 2007 | $5,528 | 955 | 955 |
| 2008 | $26,820 | 3,647 | 3,647 |
| 2009 | $24,692 | 4,898 | 4,898 |
| 2010 | $17,751 | 3,796 | 3,796 |
| 2011 | $10,696 | 3,720 | 3,720 |
Note: Quantity represents Weight in kilograms
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