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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $48,821 | 3,928 | 3,928 |
| 2006 | $50,225 | 3,532 | 3,532 |
| 2007 | $53,549 | 3,400 | 3,400 |
| 2008 | $29,830 | 2,292 | 2,292 |
| 2009 | $56,749 | 3,985 | 3,985 |
| 2010 | $61,719 | 4,382 | 4,382 |
| 2011 | $35,555 | 2,598 | 2,598 |
Note: Quantity represents Weight in kilograms
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