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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,100 | 10,000 | 10,000 |
| 2006 | $15,100 | 1,165 | 1,165 |
| 2007 | $8,100 | 1,069 | 1,069 |
| 2008 | $40,200 | 6,043 | 6,043 |
| 2009 | $110,300 | 11,875 | 11,875 |
| 2010 | $52,800 | 4,262 | 4,262 |
| 2011 | $29,000 | 2,013 | 2,013 |
Note: Quantity represents Weight in kilograms
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