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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $34,505 | 15,622 | 15,622 |
| 2006 | $34,192 | 12,306 | 12,306 |
| 2007 | $72,131 | 13,248 | 13,248 |
| 2008 | $70,084 | 13,636 | 13,636 |
| 2009 | $56,736 | 15,794 | 15,794 |
| 2010 | $39,602 | 12,556 | 12,556 |
| 2011 | $34,446 | 17,098 | 17,098 |
Note: Quantity represents Weight in kilograms
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