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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $681,000 | 48,131 | 122,062 |
| 2006 | $605,556 | 40,329 | 108,539 |
| 2007 | $215,206 | 8,902 | 30,333 |
| 2008 | $99,427 | 14,897 | 9,548 |
| 2009 | $283,787 | 11,249 | 26,593 |
| 2010 | $594,544 | 79,684 | 52,010 |
| 2011 | $159,897 | 15,239 | 16,688 |
Note: Quantity represents Number of pairs
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