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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,467 | 500 | 500 |
| 2006 | $18,470 | 18,000 | 18,000 |
| 2007 | $18,126 | 15,700 | 15,700 |
| 2008 | $24,416 | 12,000 | 12,000 |
| 2009 | $26,010 | 22,450 | 22,450 |
| 2010 | $29,553 | 15,000 | 15,000 |
| 2011 | $40,728 | 19,200 | 19,200 |
Note: Quantity represents Weight in kilograms
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