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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,906 | 2,916 | 2,916 |
| 2006 | $381 | 150 | 150 |
| 2007 | $75 | 400 | 400 |
| 2008 | $63,510 | 62,090 | 62,090 |
| 2009 | $22,594 | 20,330 | 20,330 |
| 2010 | $17,976 | 37,406 | 37,406 |
| 2011 | $13,855 | 22,948 | 22,948 |
Note: Quantity represents Weight in kilograms
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