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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $779 | 1,825 | 1,825 |
| 2006 | $1,284 | 355 | 355 |
| 2007 | $1,590 | 458 | 458 |
| 2008 | $27,977 | 17,525 | 17,525 |
| 2009 | $55,703 | 30,918 | 30,918 |
| 2010 | $37,069 | 20,686 | 20,686 |
| 2011 | $105,166 | 53,426 | 53,426 |
Note: Quantity represents Weight in kilograms
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