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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,180 | 1,927 | 1,927 |
| 2006 | $1,167 | 55 | 55 |
| 2007 | $29,126 | 6,741 | 6,741 |
| 2008 | $38,505 | 10,736 | 10,736 |
| 2009 | $60,244 | 7,382 | 7,382 |
| 2010 | $96,140 | 43,957 | 43,957 |
| 2011 | $51,609 | 7,907 | 7,907 |
Note: Quantity represents Weight in kilograms
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