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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $520,000 | 52,300 | 52,300 |
| 2006 | $379,000 | 45,900 | 45,900 |
| 2007 | $583,000 | 120,400 | 120,400 |
| 2008 | $311,000 | 34,600 | 34,600 |
| 2009 | $241,000 | 34,600 | 34,600 |
| 2010 | $308,000 | 54,800 | 54,800 |
| 2011 | $440,000 | 87,800 | 87,800 |
Note: Quantity represents Weight in kilograms
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