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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $427 | 9 | 9 |
| 2006 | $6,474 | 570 | 570 |
| 2007 | $86,260 | 129,244 | 129,244 |
| 2008 | $89,774 | 111,130 | 111,130 |
| 2009 | $152,843 | 133,501 | 133,501 |
| 2010 | $192,802 | 142,140 | 142,140 |
| 2011 | $198,436 | 149,896 | 149,896 |
Note: Quantity represents Weight in kilograms
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