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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,955 | 8,063 | 8,063 |
| 2006 | $30,916 | 10,911 | 10,911 |
| 2007 | $34,428 | 11,267 | 11,267 |
| 2008 | $52,374 | 15,615 | 15,615 |
| 2009 | $46,070 | 9,856 | 9,856 |
| 2010 | $41,330 | 9,194 | 9,194 |
| 2011 | $52,342 | 11,463 | 11,463 |
Note: Quantity represents Weight in kilograms
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