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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,150,403 | 883,144 | 1,175,019 |
| 2006 | $14,539,330 | 933,320 | 1,264,667 |
| 2007 | $24,683,806 | 1,949,642 | 2,598,051 |
| 2008 | $50,492,836 | 3,344,771 | 4,405,852 |
| 2009 | $33,990,613 | 2,458,195 | 3,318,879 |
| 2010 | $20,969,206 | 984,493 | 1,278,269 |
| 2011 | $58,207,044 | 2,019,115 | 3,074,673 |
Note: Quantity represents Number of pairs
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