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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $42,912 | 43,425 | 43,425 |
| 2006 | $33,508 | 29,285 | 29,285 |
| 2007 | $63,271 | 52,695 | 52,695 |
| 2008 | $69,555 | 46,611 | 46,611 |
| 2009 | $67,696 | 38,388 | 38,388 |
| 2010 | $66,084 | 25,027 | 25,027 |
| 2011 | $45,920 | 27,209 | 27,209 |
Note: Quantity represents Weight in kilograms
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