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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $72,954 | 1,774 | 1,774 |
| 2006 | $70,886 | 1,328 | 1,328 |
| 2007 | $73,157 | 1,210 | 1,210 |
| 2008 | $64,940 | 2,567 | 2,567 |
| 2009 | $39,884 | 1,720 | 1,720 |
| 2010 | $20,760 | 1,041 | 1,041 |
| 2011 | $28,560 | 842 | 842 |
Note: Quantity represents Weight in kilograms
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