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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,105 | 196 | 196 |
| 2006 | $817 | 264 | 264 |
| 2007 | $4,590 | 3,657 | 3,657 |
| 2008 | $22,199 | 22,936 | 22,936 |
| 2009 | $8,045 | 4,796 | 4,796 |
| 2010 | $18,677 | 14,924 | 14,924 |
| 2011 | $23,569 | 15,608 | 15,608 |
Note: Quantity represents Weight in kilograms
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