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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,607 | 2,410 | 2,410 |
| 2006 | $17,023 | 2,447 | 2,447 |
| 2007 | $21,761 | 3,605 | 3,605 |
| 2008 | $20,941 | 4,586 | 4,586 |
| 2009 | $9,479 | 1,571 | 1,571 |
| 2010 | $23,695 | 3,831 | 3,831 |
| 2011 | $20,839 | 3,158 | 3,158 |
Note: Quantity represents Weight in kilograms
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