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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $61,849 | 26,000 | 26,000 |
| 2006 | $52,646 | 23,200 | 23,200 |
| 2007 | $59,737 | 25,000 | 25,000 |
| 2008 | $39,790 | 15,806 | 15,806 |
| 2009 | $27,410 | 13,000 | 13,000 |
| 2010 | $28,143 | 15,045 | 15,045 |
| 2011 | $28,780 | 13,753 | 13,753 |
Note: Quantity represents Weight in kilograms
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