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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,866 | 970 | 970 |
| 2006 | $4,514 | 1,515 | 1,515 |
| 2007 | $36,271 | 29,069 | 29,069 |
| 2008 | $29,491 | 50,267 | 50,267 |
| 2009 | $1,905 | 1,054 | 1,054 |
| 2010 | $4,021 | 1,152 | 1,152 |
| 2011 | $14,524 | 2,838 | 2,838 |
Note: Quantity represents Weight in kilograms
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