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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $59,907 | 8,007 | 8,007 |
| 2006 | $77,973 | 8,542 | 8,542 |
| 2007 | $166,599 | 30,121 | 30,121 |
| 2008 | $73,444 | 10,021 | 10,021 |
| 2009 | $90,243 | 16,360 | 16,360 |
| 2010 | $74,356 | 12,896 | 12,896 |
| 2011 | $202,349 | 36,403 | 36,403 |
Note: Quantity represents Weight in kilograms
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