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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $36,280 | 9,450 | 9,450 |
| 2006 | $36,944 | 8,876 | 8,876 |
| 2007 | $46,826 | 16,969 | 16,969 |
| 2008 | $29,818 | 5,668 | 5,668 |
| 2009 | $22,495 | 5,549 | 5,549 |
| 2010 | $32,433 | 6,936 | 6,936 |
| 2011 | $24,681 | 5,955 | 5,955 |
Note: Quantity represents Weight in kilograms
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