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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,526 | 871 | 871 |
| 2006 | $9,869 | 4,851 | 4,851 |
| 2007 | $13,917 | 5,670 | 5,670 |
| 2008 | $18,054 | 7,980 | 7,980 |
| 2009 | $7,738 | 4,550 | 4,550 |
| 2010 | $30,374 | 21,790 | 21,790 |
| 2011 | $19,440 | 14,348 | 14,348 |
Note: Quantity represents Weight in kilograms
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