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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,468 | 54,838 | 54,838 |
| 2006 | $5,882 | 5,259 | 5,259 |
| 2007 | $3,081 | 1,127 | 1,127 |
| 2008 | $157,586 | 48,119 | 48,119 |
| 2009 | $2,193 | 876 | 876 |
| 2010 | $4,887 | 813 | 813 |
| 2011 | $38,779 | 16,448 | 16,448 |
Note: Quantity represents Weight in kilograms
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