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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,157 | 53 | 53 |
| 2006 | $30,801 | 3,156 | 3,156 |
| 2007 | $24,657 | 2,505 | 2,505 |
| 2008 | $16,620 | 1,132 | 1,132 |
| 2009 | $13,722 | 1,065 | 1,065 |
| 2010 | $36,837 | 1,388 | 1,388 |
| 2011 | $32,318 | 1,270 | 1,270 |
Note: Quantity represents Weight in kilograms
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