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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,100 | 291,436 | 291,436 |
| 2006 | $2,200 | 97,408 | 97,408 |
| 2007 | $18,600 | 243,475 | 243,475 |
| 2009 | $17,900 | 31,000 | 31,000 |
| 2010 | $565,700 | 622,129 | 622,129 |
| 2011 | $241,700 | 476,751 | 476,751 |
Note: Quantity represents Weight in kilograms
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