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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $163,499 | 23,001 | 23,001 |
| 2006 | $84,831 | 16,778 | 16,778 |
| 2007 | $131,974 | 29,250 | 29,250 |
| 2008 | $123,102 | 19,646 | 19,646 |
| 2009 | $161,449 | 33,094 | 33,094 |
| 2010 | $87,040 | 19,918 | 19,918 |
| 2011 | $105,439 | 17,278 | 17,278 |
Note: Quantity represents Weight in kilograms
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