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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,082 | 537 | 537 |
| 2006 | $29,899 | 4,477 | 4,477 |
| 2007 | $44,601 | 5,408 | 5,408 |
| 2008 | $261,934 | 34,433 | 34,433 |
| 2009 | $145,138 | 4,384 | 4,384 |
| 2010 | $94,502 | 3,882 | 3,882 |
| 2011 | $282,184 | 21,068 | 21,068 |
Note: Quantity represents Weight in kilograms
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