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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,709 | 577 | 577 |
| 2006 | $7,397 | 2,632 | 2,632 |
| 2007 | $9,842 | 3,083 | 3,083 |
| 2008 | $8,199 | 5,590 | 5,590 |
| 2009 | $13,026 | 36,790 | 36,790 |
| 2010 | $15,956 | 3,704 | 3,704 |
| 2011 | $8,152 | 4,051 | 4,051 |
Note: Quantity represents Weight in kilograms
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