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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $744 | 10,000 | 10,000 |
| 2006 | $1,151 | 19,020 | 19,020 |
| 2007 | $10,114 | 39,525 | 39,525 |
| 2008 | $34,105 | 171,160 | 171,160 |
| 2009 | $14,939 | 151,000 | 151,000 |
| 2010 | $18,365 | 160,500 | 160,500 |
| 2011 | $25,113 | 140,000 | 140,000 |
Note: Quantity represents Weight in kilograms
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