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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,316 | 2,230 | 2,230 |
| 2006 | $12,157 | 10,600 | 10,600 |
| 2007 | $1,595 | 705 | 705 |
| 2008 | $12,669 | 4,042 | 4,042 |
| 2009 | $421 | 141 | 141 |
| 2010 | $44,862 | 4,713 | 4,713 |
| 2011 | $41,346 | 23,592 | 23,592 |
Note: Quantity represents Weight in kilograms
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