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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,664 | 8,145 | 8,145 |
| 2006 | $1,144 | 650 | 650 |
| 2007 | $11,435 | 5,920 | 5,920 |
| 2008 | $22,446 | 10,410 | 10,410 |
| 2009 | $11,750 | 5,962 | 5,962 |
| 2010 | $24,414 | 9,920 | 9,920 |
| 2011 | $15,520 | 7,629 | 7,629 |
Note: Quantity represents Weight in kilograms
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