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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $38,465 | 8,923 | 8,923 |
| 2006 | $43,707 | 25,179 | 25,179 |
| 2007 | $91,260 | 24,373 | 24,373 |
| 2008 | $120,594 | 140,836 | 140,836 |
| 2009 | $181,483 | 74,286 | 74,286 |
| 2010 | $82,103 | 30,037 | 30,037 |
| 2011 | $46,941 | 18,083 | 18,083 |
Note: Quantity represents Weight in kilograms
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