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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,430 | 549 | 549 |
| 2006 | $14,601 | 4,520 | 4,520 |
| 2007 | $10,500 | 3,408 | 3,408 |
| 2008 | $41,982 | 13,929 | 13,929 |
| 2009 | $12,306 | 4,335 | 4,335 |
| 2010 | $60,508 | 25,582 | 25,582 |
| 2011 | $59,702 | 13,711 | 13,711 |
Note: Quantity represents Weight in kilograms
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