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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $99,157 | 50,000 | 50,000 |
| 2006 | $107,648 | 50,400 | 50,400 |
| 2007 | $130,725 | 49,900 | 49,900 |
| 2008 | $54,860 | 24,788 | 24,788 |
| 2009 | $36,227 | 12,800 | 12,800 |
| 2010 | $26,055 | 8,400 | 8,400 |
| 2011 | $60,829 | 17,483 | 17,483 |
Note: Quantity represents Weight in kilograms
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