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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $121 | 121 | 121 |
| 2006 | $1,652 | 404 | 404 |
| 2007 | $17,952 | 10,000 | 10,000 |
| 2008 | $5,495 | 5,000 | 5,000 |
| 2009 | $30,862 | 4,930 | 4,930 |
| 2010 | $39,251 | 21,820 | 21,820 |
| 2011 | $15,235 | 10,416 | 10,416 |
Note: Quantity represents Weight in kilograms
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