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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $30,403 | 4,286 | 4,286 |
| 2006 | $37,114 | 2,949 | 2,949 |
| 2007 | $54,146 | 10,992 | 10,992 |
| 2008 | $177,299 | 22,910 | 22,910 |
| 2009 | $36,476 | 40,268 | 40,268 |
| 2010 | $91,992 | 41,110 | 41,110 |
| 2011 | $44,130 | 10,820 | 10,820 |
Note: Quantity represents Weight in kilograms
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