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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,417 | 786 | 786 |
| 2006 | $52,244 | 3,159 | 3,159 |
| 2007 | $26,052 | 2,781 | 2,781 |
| 2008 | $101,152 | 5,037 | 5,037 |
| 2009 | $48,199 | 2,647 | 2,647 |
| 2010 | $26,573 | 2,059 | 2,059 |
| 2011 | $21,061 | 13,305 | 13,305 |
Note: Quantity represents Weight in kilograms
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