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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,488 | 5,971 | 5,971 |
| 2006 | $30,480 | 5,558 | 5,558 |
| 2007 | $34,872 | 6,345 | 6,345 |
| 2008 | $35,723 | 5,561 | 5,561 |
| 2009 | $30,660 | 5,397 | 5,397 |
| 2010 | $32,914 | 7,677 | 7,677 |
| 2011 | $26,461 | 4,974 | 4,974 |
Note: Quantity represents Weight in kilograms
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