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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $70,958 | 4,373 | 4,373 |
| 2006 | $98,569 | 8,507 | 8,507 |
| 2007 | $58,927 | 4,261 | 4,261 |
| 2008 | $62,830 | 3,298 | 3,298 |
| 2009 | $80,953 | 6,075 | 6,075 |
| 2010 | $67,513 | 4,879 | 4,879 |
| 2011 | $51,257 | 5,132 | 5,132 |
Note: Quantity represents Weight in kilograms
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