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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $268 | 240 | 240 |
| 2006 | $5,160 | 1,000 | 1,000 |
| 2007 | $16,019 | 3,000 | 3,000 |
| 2008 | $64,363 | 12,000 | 12,000 |
| 2009 | $58,098 | 8,000 | 8,000 |
| 2010 | $45,235 | 8,254 | 8,254 |
| 2011 | $6,322 | 7,175 | 7,175 |
Note: Quantity represents Weight in kilograms
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