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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,719,141 | 134,363 | 4,221,258 |
| 2006 | $1,056,077 | 82,540 | 2,395,552 |
| 2007 | $389,660 | 30,642 | 650,981 |
| 2008 | $303,669 | 22,381 | 63,675 |
| 2009 | $403,847 | 23,534 | 146,164 |
| 2010 | $674,922 | 42,022 | 53,438 |
| 2011 | $654,101 | 37,506 | 135,259 |
Note: Quantity represents Number of pairs
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