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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,778 | 953 | 953 |
| 2006 | $7,034 | 1,663 | 1,663 |
| 2007 | $3,062 | 2,124 | 2,124 |
| 2008 | $3,695 | 1,860 | 1,860 |
| 2009 | $2,708 | 1,677 | 1,677 |
| 2010 | $4,492 | 2,047 | 2,047 |
| 2011 | $15,270 | 17,138 | 17,138 |
Note: Quantity represents Weight in kilograms
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