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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,711 | 6,627 | 6,627 |
| 2006 | $10,606 | 4,543 | 4,543 |
| 2007 | $36,730 | 12,059 | 12,059 |
| 2008 | $36,074 | 10,350 | 10,350 |
| 2009 | $59,595 | 24,379 | 24,379 |
| 2010 | $27,506 | 12,273 | 12,273 |
| 2011 | $31,316 | 12,552 | 12,552 |
Note: Quantity represents Weight in kilograms
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