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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28,489 | 383 | 383 |
| 2006 | $83,507 | 3,824 | 3,824 |
| 2007 | $106,028 | 3,263 | 3,263 |
| 2008 | $179,295 | 4,081 | 4,081 |
| 2009 | $44,033 | 912 | 912 |
| 2010 | $184,524 | 4,842 | 4,842 |
| 2011 | $82,412 | 1,636 | 1,636 |
Note: Quantity represents Weight in kilograms
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