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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $353,000 | 19,700 | 19,700 |
| 2006 | $127,000 | 5,800 | 5,800 |
| 2007 | $109,000 | 3,700 | 3,700 |
| 2008 | $225,000 | 6,400 | 6,400 |
| 2009 | $168,000 | 4,600 | 4,600 |
| 2010 | $98,040 | 5,400 | 5,400 |
| 2011 | $69,424 | 3,561 | 3,561 |
Note: Quantity represents Weight in kilograms
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