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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $109,749,996 | 8,732 | 8,732 |
| 2006 | $206,351,499 | 10,578 | 10,578 |
| 2007 | $291,413,662 | 13,164 | 13,164 |
| 2008 | $233,124,118 | 8,961 | 8,961 |
| 2009 | $309,307,011 | 10,529 | 10,529 |
| 2010 | $599,845,906 | 17,134 | 17,134 |
Note: Quantity represents Weight in kilograms
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