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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,388 | 658 | 658 |
| 2006 | $5,973 | 20,737 | 20,737 |
| 2007 | $8,767 | 302 | 302 |
| 2008 | $14,763 | 3,359 | 3,359 |
| 2009 | $19,268 | 3,117 | 3,117 |
| 2010 | $65,596 | 20,832 | 20,832 |
| 2011 | $19,501 | 2,493 | 2,493 |
Note: Quantity represents Weight in kilograms
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