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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,549,764 | 1,682,883 | 3,542,948 |
| 2006 | $2,124,032 | 2,135,020 | 63,623 |
| 2007 | $1,088,576 | 1,182,389 | 147,320 |
| 2008 | $1,193,572 | 1,053,235 | 146,395 |
| 2009 | $692,975 | 825,481 | 80,592 |
| 2010 | $850,627 | 1,125,151 | 90,502 |
Note: Quantity represents Number of pairs
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