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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,901 | 93,505 | 93,505 |
| 2006 | $16,769 | 67,027 | 67,027 |
| 2007 | $15,722 | 63,141 | 63,141 |
| 2008 | $19,361 | 113,266 | 113,266 |
| 2009 | $6,638 | 29,448 | 29,448 |
| 2010 | $7,904 | 18,829 | 18,829 |
| 2011 | $20,684 | 143,701 | 143,701 |
Note: Quantity represents Weight in kilograms
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