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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $55,999 | 6,404 | 6,404 |
| 2006 | $38,900 | 4,667 | 4,667 |
| 2007 | $104,722 | 10,583 | 10,583 |
| 2008 | $67,177 | 8,171 | 8,171 |
| 2009 | $111,008 | 15,078 | 15,078 |
| 2010 | $198,664 | 27,166 | 27,166 |
| 2011 | $238,829 | 32,183 | 32,183 |
Note: Quantity represents Weight in kilograms
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