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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,737 | 4,556 | 4,556 |
| 2006 | $18,110 | 39,749 | 39,749 |
| 2007 | $18,790 | 45,214 | 45,214 |
| 2008 | $26,906 | 34,294 | 34,294 |
| 2009 | $16,556 | 42,977 | 42,977 |
| 2010 | $18,563 | 46,377 | 46,377 |
| 2011 | $23,437 | 74,278 | 74,278 |
Note: Quantity represents Weight in kilograms
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