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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $70,463 | 2,114 | 2,114 |
| 2006 | $49,829 | 2,201 | 2,201 |
| 2007 | $38,322 | 1,508 | 1,508 |
| 2008 | $25,038 | 1,666 | 1,666 |
| 2009 | $10,150 | 406 | 406 |
| 2010 | $5,573 | 289 | 289 |
| 2011 | $111,729 | 1,486 | 1,486 |
Note: Quantity represents Weight in kilograms
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