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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $804 | 34 | 34 |
| 2006 | $4,739 | 200 | 200 |
| 2007 | $5,575 | 21,563 | 21,563 |
| 2008 | $14,498 | 62,000 | 62,000 |
| 2009 | $48,686 | 177,845 | 177,845 |
| 2010 | $40,648 | 124,035 | 124,035 |
| 2011 | $75,381 | 312,184 | 312,184 |
Note: Quantity represents Weight in kilograms
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