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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $863 | 717 | 717 |
| 2006 | $619 | 308 | 308 |
| 2007 | $1,267 | 168 | 168 |
| 2008 | $61,758 | 17,342 | 17,342 |
| 2009 | $165,733 | 239,630 | 239,630 |
| 2010 | $238,269 | 382,149 | 382,149 |
| 2011 | $77,692 | 109,967 | 109,967 |
Note: Quantity represents Weight in kilograms
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