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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,789,962 | 409,455 | 241,821 |
| 2006 | $4,565,674 | 414,237 | 276,736 |
| 2007 | $8,035,597 | 771,480 | 782,405 |
| 2008 | $8,417,013 | 546,616 | 871,008 |
| 2009 | $7,745,487 | 433,421 | 315,737 |
| 2010 | $8,695,678 | 641,703 | 460,657 |
| 2011 | $17,761,400 | 1,788,412 | 974,409 |
Note: Quantity represents Number of pairs
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