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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,524 | 2,802 | 2,802 |
| 2006 | $22,903 | 4,187 | 4,187 |
| 2007 | $29,844 | 5,578 | 5,578 |
| 2008 | $17,209 | 3,686 | 3,686 |
| 2009 | $24,944 | 2,965 | 2,965 |
| 2010 | $21,840 | 2,586 | 2,586 |
| 2011 | $29,099 | 3,476 | 3,476 |
Note: Quantity represents Weight in kilograms
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