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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,615 | 17,000 | 17,000 |
| 2006 | $56,897 | 28,384 | 28,384 |
| 2007 | $59,581 | 30,116 | 30,116 |
| 2008 | $91,785 | 47,862 | 47,862 |
| 2009 | $57,957 | 26,177 | 26,177 |
| 2010 | $34,873 | 20,000 | 20,000 |
| 2011 | $28,002 | 15,000 | 15,000 |
Note: Quantity represents Weight in kilograms
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