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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,077 | 14,907 | 14,907 |
| 2006 | $6,816 | 16,565 | 16,565 |
| 2007 | $44,915 | 120,532 | 120,532 |
| 2008 | $17,249 | 44,684 | 44,684 |
| 2009 | $41,043 | 43,357 | 43,357 |
| 2010 | $44,475 | 71,126 | 71,126 |
| 2011 | $30,345 | 31,974 | 31,974 |
Note: Quantity represents Weight in kilograms
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