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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,498 | 3,008 | 3,008 |
| 2006 | $22,786 | 9,113 | 9,113 |
| 2007 | $59,677 | 29,624 | 29,624 |
| 2008 | $33,007 | 12,578 | 12,578 |
| 2009 | $40,027 | 12,064 | 12,064 |
| 2010 | $48,504 | 18,032 | 18,032 |
| 2011 | $91,860 | 21,957 | 21,957 |
Note: Quantity represents Weight in kilograms
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