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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $129,000 | 28,600 | 28,600 |
| 2006 | $124,000 | 23,700 | 23,700 |
| 2007 | $239,000 | 25,300 | 25,300 |
| 2008 | $174,000 | 24,500 | 24,500 |
| 2009 | $74,000 | 13,400 | 13,400 |
| 2010 | $83,000 | 12,600 | 12,600 |
| 2011 | $60,000 | 7,900 | 7,900 |
Note: Quantity represents Weight in kilograms
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