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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $31,517 | 32,815 | 32,815 |
| 2006 | $9,782 | 11,216 | 11,216 |
| 2007 | $10,858 | 9,504 | 9,504 |
| 2008 | $39,318 | 49,078 | 49,078 |
| 2009 | $36,999 | 33,766 | 33,766 |
| 2010 | $41,383 | 30,011 | 30,011 |
| 2011 | $14,636 | 9,335 | 9,335 |
Note: Quantity represents Weight in kilograms
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