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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,493 | 5,486 | 5,486 |
| 2006 | $15,006 | 11,948 | 11,948 |
| 2007 | $19,134 | 16,202 | 16,202 |
| 2008 | $101,316 | 50,502 | 50,502 |
| 2009 | $37,925 | 13,192 | 13,192 |
| 2010 | $2,049 | 668 | 668 |
| 2011 | $12,062 | 5,277 | 5,277 |
Note: Quantity represents Weight in kilograms
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