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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,093 | 28,550 | 28,550 |
| 2006 | $38,174 | 59,313 | 59,313 |
| 2007 | $35,144 | 40,353 | 40,353 |
| 2008 | $24,244 | 7,202 | 7,202 |
| 2009 | $23,554 | 8,690 | 8,690 |
| 2010 | $22,708 | 10,570 | 10,570 |
| 2011 | $5,065 | 4,679 | 4,679 |
Note: Quantity represents Weight in kilograms
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