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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,368,638 | 2,816 | 2,816 |
| 2006 | $2,828,595 | 2,813 | 2,813 |
| 2007 | $4,050,010 | 3,004 | 3,004 |
| 2008 | $3,901,732 | 2,693 | 2,693 |
| 2009 | $3,292,798 | 1,844 | 1,844 |
| 2010 | $2,780,203 | 1,856 | 1,856 |
Note: Quantity represents Weight in kilograms
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