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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,369 | 25,150 | 25,150 |
| 2006 | $5,724 | 15,210 | 15,210 |
| 2007 | $3,086 | 6,500 | 6,500 |
| 2008 | $4,031 | 5,000 | 5,000 |
| 2009 | $10,784 | 12,120 | 12,120 |
| 2010 | $31 | 100 | 100 |
| 2011 | $13,620 | 13,305 | 13,305 |
Note: Quantity represents Weight in kilograms
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