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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,149 | 882 | 882 |
| 2006 | $12,567 | 2,108 | 2,108 |
| 2007 | $16,339 | 1,138 | 1,138 |
| 2008 | $23,003 | 2,036 | 2,036 |
| 2009 | $15,952 | 1,012 | 1,012 |
| 2010 | $38,539 | 1,800 | 1,800 |
| 2011 | $45,301 | 3,425 | 3,425 |
Note: Quantity represents Weight in kilograms
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