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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $100,150 | 104,236 | 200,387 |
| 2006 | $64,695 | 48,024 | 94,630 |
| 2007 | $93,731 | 64,904 | 112,239 |
| 2008 | $201,815 | 45,718 | 106,307 |
| 2009 | $61,446 | 48,159 | 4,041 |
| 2010 | $112,131 | 64,622 | 35,303 |
| 2011 | $191,481 | 121,351 | 28,117 |
Note: Quantity represents Number of pairs
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