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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,435 | 2,935 | 2,935 |
| 2006 | $1,390 | 634 | 634 |
| 2007 | $4,323 | 10,855 | 10,855 |
| 2008 | $21,476 | 26,390 | 26,390 |
| 2009 | $1,466 | 3,120 | 3,120 |
| 2010 | $1,541 | 2,052 | 2,052 |
| 2011 | $3,792 | 14,546 | 14,546 |
Note: Quantity represents Weight in kilograms
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