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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,174 | 8,589 | 8,589 |
| 2006 | $15,967 | 8,578 | 8,578 |
| 2007 | $16,814 | 9,268 | 9,268 |
| 2008 | $126,583 | 228,280 | 228,280 |
| 2009 | $3,752 | 9,589 | 9,589 |
| 2010 | $21,599 | 28,381 | 28,381 |
| 2011 | $54,737 | 48,595 | 48,595 |
Note: Quantity represents Weight in kilograms
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