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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,026 | 635 | 635 |
| 2006 | $2,709 | 450 | 450 |
| 2007 | $1,392 | 192 | 192 |
| 2008 | $31,439 | 10,232 | 10,232 |
| 2009 | $80,261 | 32,886 | 32,886 |
| 2010 | $38,454 | 13,988 | 13,988 |
| 2011 | $99,138 | 32,766 | 32,766 |
Note: Quantity represents Weight in kilograms
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