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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,410 | 1,021 | 1,021 |
| 2006 | $8,926 | 6,589 | 6,589 |
| 2007 | $12,426 | 1,408 | 1,408 |
| 2008 | $8,948 | 1,760 | 1,760 |
| 2009 | $12,882 | 2,838 | 2,838 |
| 2010 | $18,534 | 2,431 | 2,431 |
| 2011 | $26,340 | 3,216 | 3,216 |
Note: Quantity represents Weight in kilograms
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