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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,028 | 16,859 | 16,859 |
| 2006 | $41,266 | 39,990 | 39,990 |
| 2007 | $33,263 | 21,631 | 21,631 |
| 2008 | $23,234 | 16,399 | 16,399 |
| 2009 | $40,197 | 27,261 | 27,261 |
| 2010 | $21,040 | 14,619 | 14,619 |
| 2011 | $20,241 | 11,826 | 11,826 |
Note: Quantity represents Weight in kilograms
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