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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28,016,302 | 1,228,785 | 2,786,572 |
| 2006 | $24,716,975 | 782,015 | 2,454,380 |
| 2007 | $1,866,102 | 58,236 | 175,834 |
| 2008 | $745,833 | 16,902 | 76,229 |
| 2009 | $906,367 | 17,618 | 148,783 |
| 2010 | $4,724,329 | 94,217 | 688,257 |
| 2011 | $309,463 | 6,854 | 7,058 |
Note: Quantity represents Number of pairs
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