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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,619 | 10,000 | 10,000 |
| 2006 | $885 | 12,809 | 12,809 |
| 2007 | $747 | 22,661 | 22,661 |
| 2008 | $1,269 | 1,353 | 1,353 |
| 2009 | $17,011 | 7,055 | 7,055 |
| 2010 | $16,249 | 21,085 | 21,085 |
| 2011 | $30,281 | 10,805 | 10,805 |
Note: Quantity represents Weight in kilograms
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