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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,030,247 | 321,695 | 1,536,496 |
| 2006 | $2,206,893 | 234,287 | 1,047,072 |
| 2007 | $1,433,942 | 0 | 567,284 |
| 2008 | $6,459,966 | 0 | 567,693 |
| 2009 | $6,557,121 | 0 | 689,230 |
| 2010 | $27,017,146 | 0 | 3,857,022 |
| 2011 | $16,231,445 | 964,037 | 0 |
Note: Quantity represents Number of pairs
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