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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,810 | 8,350 | 8,350 |
| 2006 | $25,085 | 9,448 | 9,448 |
| 2007 | $15,338 | 4,913 | 4,913 |
| 2008 | $18,670 | 6,221 | 6,221 |
| 2009 | $26,222 | 9,110 | 9,110 |
| 2010 | $33,768 | 11,181 | 11,181 |
| 2011 | $53,245 | 16,470 | 16,470 |
Note: Quantity represents Weight in kilograms
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