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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,296 | 4,150 | 4,150 |
| 2006 | $4,785 | 1,131 | 1,131 |
| 2007 | $3,132 | 744 | 744 |
| 2008 | $18,979 | 10,611 | 10,611 |
| 2009 | $1,778 | 630 | 630 |
| 2010 | $17,372 | 8,509 | 8,509 |
| 2011 | $22,165 | 48,830 | 48,830 |
Note: Quantity represents Weight in kilograms
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