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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,054 | 15,247 | 15,247 |
| 2006 | $5,233 | 3,760 | 3,760 |
| 2007 | $3,121 | 77 | 77 |
| 2008 | $139,161 | 161,082 | 161,082 |
| 2009 | $99,116 | 38,815 | 38,815 |
| 2010 | $77,157 | 129,595 | 129,595 |
| 2011 | $17,435 | 0 | 0 |
Note: Quantity represents Weight in kilograms
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