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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,700 | 20,846 | 20,846 |
| 2006 | $50,000 | 41,141 | 41,141 |
| 2007 | $78,800 | 66,949 | 66,949 |
| 2008 | $14,800 | 10,640 | 10,640 |
| 2010 | $263,700 | 231,333 | 231,333 |
| 2011 | $354,300 | 307,852 | 307,852 |
Note: Quantity represents Weight in kilograms
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