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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $36,931 | 2,837 | 5,283 |
| 2006 | $50,015 | 3,842 | 6,906 |
| 2007 | $78,450 | 5,928 | 8,810 |
| 2008 | $76,411 | 6,064 | 10,290 |
| 2009 | $52,398 | 4,540 | 8,063 |
| 2010 | $47,134 | 3,557 | 8,017 |
| 2011 | $71,320 | 5,063 | 10,502 |
Note: Quantity represents Number of items
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