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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,257 | 7,547 | 7,547 |
| 2006 | $21,691 | 8,997 | 8,997 |
| 2007 | $18,285 | 8,505 | 8,505 |
| 2008 | $26,510 | 8,016 | 8,016 |
| 2009 | $15,656 | 4,721 | 4,721 |
| 2010 | $7,954 | 1,745 | 1,745 |
| 2011 | $13,495 | 5,466 | 5,466 |
Note: Quantity represents Weight in kilograms
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