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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,395 | 5,020 | 5,020 |
| 2006 | $13,458 | 7,708 | 7,708 |
| 2007 | $19,347 | 11,146 | 11,146 |
| 2008 | $23,933 | 11,188 | 11,188 |
| 2009 | $40,439 | 16,942 | 16,942 |
| 2010 | $38,235 | 22,418 | 22,418 |
| 2011 | $26,484 | 27,010 | 27,010 |
Note: Quantity represents Weight in kilograms
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