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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,228 | 988 | 988 |
| 2006 | $17,011 | 1,580 | 1,580 |
| 2007 | $13,603 | 898 | 898 |
| 2008 | $16,744 | 1,180 | 1,180 |
| 2009 | $26,183 | 1,529 | 1,529 |
| 2010 | $35,110 | 2,201 | 2,201 |
| 2011 | $27,709 | 1,427 | 1,427 |
Note: Quantity represents Weight in kilograms
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