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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,523 | 8,353 | 8,353 |
| 2006 | $13,433 | 11,894 | 11,894 |
| 2007 | $15,594 | 11,271 | 11,271 |
| 2008 | $25,250 | 14,453 | 14,453 |
| 2009 | $32,270 | 18,002 | 18,002 |
| 2010 | $35,063 | 19,629 | 19,629 |
| 2011 | $58,934 | 33,726 | 33,726 |
Note: Quantity represents Weight in kilograms
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