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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $168,000 | 25,900 | 25,900 |
| 2006 | $87,000 | 13,900 | 13,900 |
| 2007 | $80,000 | 11,300 | 11,300 |
| 2008 | $36,000 | 6,100 | 6,100 |
| 2009 | $877,000 | 191,900 | 191,900 |
| 2010 | $517,000 | 131,600 | 131,600 |
| 2011 | $652,000 | 92,000 | 92,000 |
Note: Quantity represents Weight in kilograms
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