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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,529 | 28,684 | 28,684 |
| 2006 | $132 | 140 | 140 |
| 2007 | $3,245 | 4,627 | 4,627 |
| 2008 | $3,192 | 3,558 | 3,558 |
| 2009 | $1,449 | 1,413 | 1,413 |
| 2010 | $12,297 | 10,529 | 10,529 |
| 2011 | $18,803 | 14,281 | 14,281 |
Note: Quantity represents Weight in kilograms
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