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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,412 | 3,807 | 3,807 |
| 2006 | $21,576 | 2,396 | 2,396 |
| 2007 | $17,270 | 1,732 | 1,732 |
| 2008 | $13,886 | 7,430 | 7,430 |
| 2009 | $13,260 | 894 | 894 |
| 2010 | $46,275 | 4,744 | 4,744 |
| 2011 | $34,671 | 4,229 | 4,229 |
Note: Quantity represents Weight in kilograms
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