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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,157,693 | 202,424 | 106,528 |
| 2006 | $458,849 | 80,230 | 40,878 |
| 2007 | $792,317 | 135,869 | 64,651 |
| 2008 | $574,029 | 0 | 49,155 |
| 2009 | $862,231 | 119,513 | 84,042 |
| 2010 | $889,819 | 106,823 | 76,654 |
| 2011 | $600,859 | 95,720 | 54,193 |
Note: Quantity represents Number of pairs
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