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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,459 | 734 | 734 |
| 2006 | $21,333 | 3,980 | 3,980 |
| 2007 | $7,980 | 4,327 | 4,327 |
| 2008 | $76,540 | 50,752 | 50,752 |
| 2009 | $21,717 | 5,243 | 5,243 |
| 2010 | $13,608 | 1,856 | 1,856 |
| 2011 | $12,620 | 1,623 | 1,623 |
Note: Quantity represents Weight in kilograms
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