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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,132 | 1,494 | 1,494 |
| 2006 | $2,039 | 2,306 | 2,306 |
| 2007 | $17,119 | 21,093 | 21,093 |
| 2008 | $358 | 276 | 276 |
| 2009 | $12,217 | 12,420 | 12,420 |
| 2010 | $4,366 | 5,068 | 5,068 |
| 2011 | $15,849 | 13,152 | 13,152 |
Note: Quantity represents Weight in kilograms
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