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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,883 | 345,000 | 345,000 |
| 2006 | $5,079 | 133,172 | 133,172 |
| 2007 | $4,787 | 76,025 | 76,025 |
| 2008 | $705 | 28,200 | 28,200 |
| 2009 | $23,353 | 122,452 | 122,452 |
| 2010 | $76,340 | 2,521,220 | 2,521,220 |
Note: Quantity represents Weight in kilograms
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