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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $133,831 | 147,739 | 147,739 |
| 2006 | $102,415 | 77,108 | 77,108 |
| 2007 | $172,894 | 184,338 | 184,338 |
| 2008 | $230,738 | 209,491 | 209,491 |
| 2009 | $235,357 | 166,234 | 166,234 |
| 2010 | $229,408 | 107,353 | 107,353 |
| 2011 | $256,217 | 126,649 | 126,649 |
Note: Quantity represents Weight in kilograms
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