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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,742 | 7,500 | 7,500 |
| 2006 | $11,014 | 140,000 | 140,000 |
| 2007 | $12,784 | 22,640 | 22,640 |
| 2008 | $417,987 | 7,484,368 | 7,484,368 |
| 2009 | $533,139 | 50,863,440 | 50,863,440 |
| 2010 | $247,758 | 6,959,400 | 6,959,400 |
| 2011 | $969,266 | 6,650,000 | 6,650,000 |
Note: Quantity represents Weight in kilograms
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