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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,068,300 | 330,992 | 1,024,588 |
| 2006 | $14,946,537 | 1,220,428 | 6,036,008 |
| 2007 | $2,062,379 | 0 | 559,055 |
| 2008 | $2,339,638 | 0 | 591,383 |
| 2009 | $2,050,794 | 82,362 | 525,438 |
| 2010 | $1,879,603 | 89,040 | 507,302 |
| 2011 | $2,608,384 | 130,345 | 272,236 |
Note: Quantity represents Number of pairs
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