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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,675 | 781 | 781 |
| 2006 | $1,796 | 583 | 583 |
| 2007 | $4,704 | 2,067 | 2,067 |
| 2008 | $93,786 | 27,384 | 27,384 |
| 2009 | $98,833 | 21,620 | 21,620 |
| 2010 | $139,970 | 30,299 | 30,299 |
| 2011 | $87,610 | 15,513 | 15,513 |
Note: Quantity represents Weight in kilograms
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