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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,433 | 472 | 472 |
| 2006 | $1,896 | 585 | 585 |
| 2007 | $9,271 | 3,178 | 3,178 |
| 2008 | $21,206 | 20,074 | 20,074 |
| 2009 | $13,464 | 5,592 | 5,592 |
| 2010 | $28,150 | 10,354 | 10,354 |
| 2011 | $12,062 | 8,882 | 8,882 |
Note: Quantity represents Weight in kilograms
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