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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $474 | 695 | 695 |
| 2006 | $2,770 | 1,810 | 1,810 |
| 2007 | $58,493 | 10,642 | 10,642 |
| 2008 | $1,267 | 1,520 | 1,520 |
| 2009 | $71,953 | 13,141 | 13,141 |
| 2010 | $96,483 | 15,884 | 15,884 |
| 2011 | $15,877 | 4,271 | 4,271 |
Note: Quantity represents Weight in kilograms
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