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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $342 | 638 | 638 |
| 2006 | $2,749 | 5,130 | 5,130 |
| 2007 | $4,703 | 8,578 | 8,578 |
| 2008 | $7,033 | 12,664 | 12,664 |
| 2009 | $4,087 | 4,855 | 4,855 |
| 2010 | $19,619 | 23,330 | 23,330 |
| 2011 | $50,000 | 50,026 | 50,026 |
Note: Quantity represents Weight in kilograms
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