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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,799 | 1,670 | 1,670 |
| 2006 | $3,389 | 1,245 | 1,245 |
| 2007 | $2,849 | 1,700 | 1,700 |
| 2008 | $3,349 | 1,441 | 1,441 |
| 2009 | $4,880 | 2,200 | 2,200 |
| 2010 | $7,397 | 3,176 | 3,176 |
| 2011 | $19,238 | 6,096 | 6,096 |
Note: Quantity represents Weight in kilograms
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