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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,500 | 14,631 | 14,631 |
| 2006 | $19,000 | 21,929 | 21,929 |
| 2007 | $5,800 | 1,335 | 1,335 |
| 2008 | $26,200 | 5,166 | 5,166 |
| 2009 | $40,400 | 11,742 | 11,742 |
| 2010 | $37,500 | 12,605 | 12,605 |
| 2011 | $29,700 | 9,397 | 9,397 |
Note: Quantity represents Weight in kilograms
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