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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $41,458 | 36,025 | 36,025 |
| 2006 | $33,449 | 25,000 | 25,000 |
| 2007 | $54,629 | 182,772 | 182,772 |
| 2008 | $81,412 | 50,000 | 50,000 |
| 2009 | $50,982 | 29,900 | 29,900 |
| 2010 | $27,975 | 18,000 | 18,000 |
| 2011 | $18,251 | 10,000 | 10,000 |
Note: Quantity represents Weight in kilograms
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