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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,794 | 7,330 | 14,813 |
| 2006 | $36,882 | 9,148 | 243,980 |
| 2007 | $8,933 | 3,296 | 16,234 |
| 2008 | $25,162 | 5,112 | 15,071 |
| 2009 | $20,871 | 4,751 | 10,417 |
| 2010 | $13,832 | 4,155 | 7,217 |
| 2011 | $8,269 | 2,077 | 4,869 |
Note: Quantity represents Number of items
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