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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $44,263 | 1,532 | 1,532 |
| 2006 | $23,307 | 1,051 | 1,051 |
| 2007 | $33,543 | 1,258 | 1,258 |
| 2008 | $24,659 | 16,190 | 16,190 |
| 2009 | $24,741 | 1,612 | 1,612 |
| 2010 | $36,612 | 1,645 | 1,645 |
| 2011 | $25,182 | 997 | 997 |
Note: Quantity represents Weight in kilograms
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