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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $162 | 334 | 334 |
| 2006 | $1,625 | 352 | 352 |
| 2007 | $86,035 | 22,344 | 22,344 |
| 2008 | $16,886 | 6,876 | 6,876 |
| 2009 | $11,253 | 2,831 | 2,831 |
| 2010 | $13,450 | 4,189 | 4,189 |
| 2011 | $47,305 | 18,264 | 18,264 |
Note: Quantity represents Weight in kilograms
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