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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,752 | 705 | 705 |
| 2006 | $15,175 | 541 | 541 |
| 2007 | $33,114 | 1,884 | 1,884 |
| 2008 | $12,029 | 404 | 404 |
| 2009 | $82,484 | 4,141 | 4,141 |
| 2010 | $206,601 | 15,580 | 15,580 |
| 2011 | $235,231 | 18,306 | 18,306 |
Note: Quantity represents Weight in kilograms
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