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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,769 | 2,350 | 2,350 |
| 2006 | $21,193 | 18,602 | 18,602 |
| 2007 | $2,198 | 935 | 935 |
| 2008 | $3,472 | 4,178 | 4,178 |
| 2009 | $6,132 | 8,793 | 8,793 |
| 2010 | $19,264 | 16,959 | 16,959 |
| 2011 | $18,346 | 16,211 | 16,211 |
Note: Quantity represents Weight in kilograms
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