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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,718 | 7,770 | 7,770 |
| 2006 | $9,937 | 12,270 | 12,270 |
| 2007 | $6,129 | 9,460 | 9,460 |
| 2008 | $17,020 | 10,055 | 10,055 |
| 2009 | $9,784 | 8,345 | 8,345 |
| 2010 | $35,241 | 30,720 | 30,720 |
| 2011 | $12,356 | 10,580 | 10,580 |
Note: Quantity represents Weight in kilograms
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