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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,000 | 949 | 949 |
| 2006 | $34,800 | 2,432 | 2,432 |
| 2007 | $55,100 | 4,138 | 4,138 |
| 2008 | $45,600 | 4,567 | 4,567 |
| 2009 | $167,800 | 33,183 | 33,183 |
| 2010 | $552,000 | 109,677 | 109,677 |
| 2011 | $359,400 | 49,158 | 49,158 |
Note: Quantity represents Weight in kilograms
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