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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,922 | 167 | 167 |
| 2006 | $15,741 | 4,439 | 4,439 |
| 2007 | $31,331 | 28,467 | 28,467 |
| 2008 | $10,385 | 3,315 | 3,315 |
| 2009 | $39,373 | 28,900 | 28,900 |
| 2010 | $10,516 | 2,656 | 2,656 |
| 2011 | $27,053 | 6,809 | 6,809 |
Note: Quantity represents Weight in kilograms
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