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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $651,510 | 44,651 | 149,782 |
| 2006 | $635,660 | 52,716 | 150,806 |
| 2007 | $264,187 | 16,516 | 113,688 |
| 2008 | $209,680 | 11,579 | 87,349 |
| 2009 | $699,744 | 27,926 | 106,775 |
| 2010 | $305,737 | 13,969 | 103,544 |
| 2011 | $159,069 | 6,757 | 7,235 |
Note: Quantity represents Number of pairs
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