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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,770 | 546 | 546 |
| 2006 | $13,585 | 3,309 | 3,309 |
| 2007 | $10,645 | 9,193 | 9,193 |
| 2008 | $893 | 180 | 180 |
| 2009 | $28,406 | 9,487 | 9,487 |
| 2010 | $22,974 | 12,853 | 12,853 |
| 2011 | $61,291 | 25,413 | 25,413 |
Note: Quantity represents Weight in kilograms
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