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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $77,900 | 23,879 | 23,879 |
| 2006 | $82,943 | 23,548 | 23,548 |
| 2007 | $89,667 | 26,389 | 26,389 |
| 2008 | $156,603 | 40,697 | 40,697 |
| 2009 | $173,817 | 45,946 | 45,946 |
| 2010 | $158,778 | 40,153 | 40,153 |
| 2011 | $154,829 | 44,091 | 44,091 |
Note: Quantity represents Weight in kilograms
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