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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,402 | 14,179 | 14,179 |
| 2006 | $26,846 | 7,468 | 7,468 |
| 2007 | $31,435 | 10,104 | 10,104 |
| 2008 | $25,116 | 5,620 | 5,620 |
| 2009 | $24,755 | 7,447 | 7,447 |
| 2010 | $23,235 | 5,542 | 5,542 |
| 2011 | $338 | 57 | 57 |
Note: Quantity represents Weight in kilograms
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