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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,878 | 2,631 | 2,631 |
| 2006 | $9,046 | 1,351 | 1,351 |
| 2007 | $5,486 | 716 | 716 |
| 2008 | $16,416 | 2,147 | 2,147 |
| 2009 | $14,186 | 1,460 | 1,460 |
| 2010 | $10,174 | 1,531 | 1,531 |
| 2011 | $9,573 | 1,020 | 1,020 |
Note: Quantity represents Weight in kilograms
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