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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,678 | 26,848 | 26,848 |
| 2006 | $70,468 | 64,518 | 64,518 |
| 2007 | $28,608 | 6,150 | 6,150 |
| 2008 | $99,374 | 62,704 | 62,704 |
| 2009 | $30,810 | 19,481 | 19,481 |
| 2010 | $213,162 | 233,877 | 233,877 |
| 2011 | $163,288 | 106,475 | 106,475 |
Note: Quantity represents Weight in kilograms
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