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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,890 | 796 | 796 |
| 2006 | $14,214 | 2,182 | 2,182 |
| 2007 | $11,471 | 1,538 | 1,538 |
| 2008 | $34,041 | 4,633 | 4,633 |
| 2009 | $57,152 | 2,856 | 2,856 |
| 2010 | $132,698 | 1,920 | 1,920 |
| 2011 | $142,112 | 2,021 | 2,021 |
Note: Quantity represents Weight in kilograms
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