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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $574 | 2,500 | 2,500 |
| 2006 | $2,619 | 3,000 | 3,000 |
| 2007 | $4,105 | 22,440 | 22,440 |
| 2008 | $23,303 | 79,389 | 79,389 |
| 2009 | $14,889 | 59,038 | 59,038 |
| 2010 | $24,140 | 106,421 | 106,421 |
| 2011 | $13,756 | 63,870 | 63,870 |
Note: Quantity represents Weight in kilograms
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