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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $141,000 | 20,939 | 20,939 |
| 2006 | $180,000 | 26,731 | 26,731 |
| 2007 | $264,000 | 145,228 | 145,228 |
| 2008 | $102,000 | 13,583 | 13,583 |
| 2009 | $83,000 | 10,110 | 10,110 |
| 2010 | $84,000 | 11,900 | 11,900 |
| 2011 | $106,000 | 12,650 | 12,650 |
Note: Quantity represents Weight in kilograms
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