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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,132 | 7,920 | 7,920 |
| 2006 | $25,517 | 11,572 | 11,572 |
| 2007 | $18,471 | 9,906 | 9,906 |
| 2008 | $21,105 | 8,183 | 8,183 |
| 2009 | $121,993 | 29,681 | 29,681 |
| 2010 | $260,177 | 73,379 | 73,379 |
| 2011 | $270,024 | 77,064 | 77,064 |
Note: Quantity represents Weight in kilograms
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