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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,956 | 756 | 756 |
| 2006 | $11,464 | 1,550 | 1,550 |
| 2007 | $14,105 | 1,077 | 1,077 |
| 2008 | $14,335 | 1,252 | 1,252 |
| 2009 | $17,586 | 1,432 | 1,432 |
| 2010 | $19,441 | 1,774 | 1,774 |
| 2011 | $20,796 | 2,434 | 2,434 |
Note: Quantity represents Weight in kilograms
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