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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $201,000 | 9,085 | 9,085 |
| 2006 | $221,936 | 14,008 | 14,008 |
| 2007 | $253,644 | 18,484 | 18,484 |
| 2008 | $446,134 | 28,818 | 28,818 |
| 2009 | $384,227 | 104,514 | 104,514 |
| 2010 | $643,353 | 51,545 | 51,545 |
| 2011 | $352,694 | 16,836 | 16,836 |
Note: Quantity represents Weight in kilograms
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