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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,000 | 20,000 | 20,000 |
| 2006 | $19,000 | 8,500 | 8,500 |
| 2007 | $35,000 | 16,200 | 16,200 |
| 2008 | $102,000 | 49,900 | 49,900 |
| 2009 | $73,000 | 67,300 | 67,300 |
| 2010 | $65,000 | 40,600 | 40,600 |
| 2011 | $9,000 | 1,300 | 1,300 |
Note: Quantity represents Weight in kilograms
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