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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,876 | 9,211 | 9,211 |
| 2006 | $13,306 | 7,225 | 7,225 |
| 2007 | $13,951 | 7,695 | 7,695 |
| 2008 | $12,478 | 5,634 | 5,634 |
| 2009 | $13,619 | 7,278 | 7,278 |
| 2010 | $39,094 | 13,735 | 13,735 |
| 2011 | $12,065 | 5,957 | 5,957 |
Note: Quantity represents Weight in kilograms
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