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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,700 | 5,943 | 5,943 |
| 2006 | $14,760 | 7,145 | 7,145 |
| 2007 | $16,321 | 4,708 | 4,708 |
| 2008 | $14,973 | 4,344 | 4,344 |
| 2009 | $14,852 | 3,773 | 3,773 |
| 2010 | $8,592 | 4,214 | 4,214 |
| 2011 | $39,482 | 29,391 | 29,391 |
Note: Quantity represents Weight in kilograms
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