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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,000 | 14,900 | 14,900 |
| 2006 | $14,000 | 39,600 | 39,600 |
| 2007 | $17,000 | 43,100 | 43,100 |
| 2008 | $7,000 | 9,100 | 9,100 |
| 2009 | $14,000 | 29,100 | 29,100 |
| 2010 | $40,000 | 108,000 | 108,000 |
| 2011 | $49,000 | 115,400 | 115,400 |
Note: Quantity represents Weight in kilograms
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