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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $185,601 | 32,453 | 250,205 |
| 2006 | $197,254 | 34,490 | 248,257 |
| 2007 | $890,240 | 135,329 | 154,771 |
| 2008 | $792,049 | 137,076 | 123,312 |
| 2009 | $706,730 | 97,959 | 212,010 |
| 2010 | $826,819 | 99,281 | 78,188 |
| 2011 | $306,837 | 48,881 | 38,828 |
Note: Quantity represents Number of pairs
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