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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,286 | 768 | 768 |
| 2006 | $3,756 | 2,020 | 2,020 |
| 2007 | $11,114 | 1,592 | 1,592 |
| 2008 | $101,823 | 25,012 | 25,012 |
| 2009 | $80,232 | 22,640 | 22,640 |
| 2010 | $83,653 | 16,779 | 16,779 |
| 2011 | $38,358 | 7,528 | 7,528 |
Note: Quantity represents Weight in kilograms
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