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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,826 | 9,758 | 9,758 |
| 2006 | $22,014 | 8,008 | 8,008 |
| 2007 | $25,624 | 7,641 | 7,641 |
| 2008 | $28,206 | 6,620 | 6,620 |
| 2009 | $28,793 | 7,902 | 7,902 |
| 2010 | $47,114 | 12,326 | 12,326 |
| 2011 | $13,102 | 3,550 | 3,550 |
Note: Quantity represents Weight in kilograms
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