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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,806 | 94,500 | 94,500 |
| 2006 | $1,801 | 30,000 | 30,000 |
| 2007 | $7,587 | 120,000 | 120,000 |
| 2008 | $17,836 | 220,000 | 220,000 |
| 2010 | $12,117 | 160,000 | 160,000 |
| 2011 | $16,742 | 301,355 | 301,355 |
Note: Quantity represents Weight in kilograms
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