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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,483 | 4,312 | 4,312 |
| 2006 | $14,863 | 8,580 | 8,580 |
| 2007 | $21,869 | 14,551 | 14,551 |
| 2008 | $15,688 | 7,668 | 7,668 |
| 2009 | $17,261 | 7,430 | 7,430 |
| 2010 | $1,346 | 595 | 595 |
| 2011 | $22,468 | 13,409 | 13,409 |
Note: Quantity represents Weight in kilograms
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