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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,177,240 | 5,210,200 | 5,619,708 |
| 2006 | $26,350,579 | 3,902,858 | 4,422,732 |
| 2007 | $40,800,047 | 0 | 6,108,804 |
| 2008 | $45,765,115 | 4,136,262 | 7,080,182 |
| 2009 | $42,557,643 | 9,241,277 | 4,762,990 |
| 2010 | $69,527,319 | 15,312,767 | 15,046,009 |
| 2011 | $75,349,439 | 14,672,211 | 14,957,876 |
Note: Quantity represents Number of pairs
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