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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,062 | 5,712 | 5,712 |
| 2006 | $10,421 | 1,810 | 1,810 |
| 2007 | $5,854 | 1,858 | 1,858 |
| 2008 | $93,695 | 26,768 | 26,768 |
| 2009 | $7,722 | 1,627 | 1,627 |
| 2010 | $54,285 | 12,087 | 12,087 |
| 2011 | $73,979 | 14,024 | 14,024 |
Note: Quantity represents Weight in kilograms
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