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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,444,584 | 130,123 | 98,703 |
| 2006 | $5,465,399 | 173,445 | 68,303 |
| 2007 | $6,378,682 | 201,164 | 60,924 |
| 2008 | $6,130,948 | 169,213 | 50,266 |
| 2009 | $3,492,928 | 81,562 | 27,873 |
| 2010 | $5,154,623 | 113,788 | 41,999 |
| 2011 | $4,936,710 | 116,903 | 40,964 |
Note: Quantity represents Number of pairs
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