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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,565,438 | 572,109 | 475,171 |
| 2006 | $10,329,538 | 962,590 | 573,035 |
| 2007 | $13,079,108 | 956,625 | 437,922 |
| 2008 | $20,886,435 | 1,377,386 | 496,406 |
| 2009 | $23,534,800 | 1,951,141 | 505,422 |
| 2010 | $30,090,497 | 2,351,718 | 656,214 |
| 2011 | $97,581,265 | 5,413,729 | 2,225,432 |
Note: Quantity represents Number of pairs
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