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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,083 | 15,392 | 15,392 |
| 2006 | $14,397 | 11,702 | 11,702 |
| 2007 | $24,914 | 21,246 | 21,246 |
| 2008 | $40,757 | 11,825 | 11,825 |
| 2009 | $74,935 | 20,979 | 20,979 |
| 2010 | $137,486 | 10,166 | 10,166 |
| 2011 | $23,086 | 17,777 | 17,777 |
Note: Quantity represents Weight in kilograms
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