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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,500 | 14,595 | 14,595 |
| 2006 | $7,400 | 2,525 | 2,525 |
| 2007 | $11,700 | 2,664 | 2,664 |
| 2008 | $4,500 | 1,588 | 1,588 |
| 2009 | $27,100 | 9,817 | 9,817 |
| 2010 | $26,200 | 10,153 | 10,153 |
| 2011 | $58,300 | 12,807 | 12,807 |
Note: Quantity represents Weight in kilograms
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