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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,895 | 1,536 | 1,536 |
| 2006 | $4,605 | 4,404 | 4,404 |
| 2007 | $3,944 | 6,376 | 6,376 |
| 2008 | $7,331 | 10,177 | 10,177 |
| 2009 | $6,268 | 4,452 | 4,452 |
| 2010 | $6,526 | 4,421 | 4,421 |
| 2011 | $8,718 | 5,887 | 5,887 |
Note: Quantity represents Weight in kilograms
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