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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $80,000 | 47,000 | 47,000 |
| 2006 | $36,000 | 13,800 | 13,800 |
| 2007 | $135,000 | 54,900 | 54,900 |
| 2008 | $135,000 | 84,100 | 84,100 |
| 2009 | $140,000 | 86,300 | 86,300 |
| 2010 | $134,000 | 110,800 | 110,800 |
| 2011 | $164,000 | 512,900 | 512,900 |
Note: Quantity represents Weight in kilograms
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