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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,158 | 12,193 | 12,193 |
| 2006 | $18,021 | 18,799 | 18,799 |
| 2007 | $17,916 | 15,388 | 15,388 |
| 2008 | $24,020 | 18,861 | 18,861 |
| 2009 | $28,988 | 22,940 | 22,940 |
| 2010 | $113,838 | 103,580 | 103,580 |
| 2011 | $203,442 | 184,485 | 184,485 |
Note: Quantity represents Weight in kilograms
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