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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,798 | 22,900 | 22,900 |
| 2006 | $13,787 | 20,500 | 20,500 |
| 2007 | $104 | 100 | 100 |
| 2008 | $26,707 | 21,000 | 21,000 |
| 2009 | $28,240 | 26,000 | 26,000 |
| 2010 | $22,021 | 22,600 | 22,600 |
| 2011 | $23,448 | 21,000 | 21,000 |
Note: Quantity represents Weight in kilograms
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