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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,064 | 4,527 | 4,527 |
| 2006 | $22,189 | 9,171 | 9,171 |
| 2007 | $9,738 | 10,855 | 10,855 |
| 2008 | $16,524 | 12,422 | 12,422 |
| 2009 | $15,549 | 14,796 | 14,796 |
| 2010 | $10,957 | 4,755 | 4,755 |
| 2011 | $23,697 | 13,568 | 13,568 |
Note: Quantity represents Weight in kilograms
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