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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $29,100 | 82,807 | 82,807 |
| 2006 | $19,400 | 33,761 | 33,761 |
| 2007 | $10,300 | 395 | 395 |
| 2008 | $8,000 | 1,086 | 1,086 |
| 2009 | $12,800 | 4,962 | 4,962 |
| 2010 | $9,000 | 420 | 420 |
| 2011 | $104,900 | 45,025 | 45,025 |
Note: Quantity represents Weight in kilograms
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