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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,314 | 15,948 | 15,948 |
| 2006 | $18,166 | 34,660 | 34,660 |
| 2007 | $36,961 | 44,050 | 44,050 |
| 2008 | $18,710 | 24,187 | 24,187 |
| 2009 | $9,572 | 17,558 | 17,558 |
| 2010 | $42,717 | 37,675 | 37,675 |
| 2011 | $34,527 | 22,220 | 22,220 |
Note: Quantity represents Weight in kilograms
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