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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,623 | 6,956 | 6,956 |
| 2006 | $29,256 | 7,462 | 7,462 |
| 2007 | $21,003 | 4,197 | 4,197 |
| 2008 | $35,558 | 8,271 | 8,271 |
| 2009 | $62,129 | 11,907 | 11,907 |
| 2010 | $87,913 | 16,289 | 16,289 |
| 2011 | $21,001 | 5,227 | 5,227 |
Note: Quantity represents Weight in kilograms
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