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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,316 | 10,000 | 10,000 |
| 2006 | $9,984 | 5,005 | 5,005 |
| 2007 | $19 | 95 | 95 |
| 2008 | $113,289 | 71,950 | 71,950 |
| 2009 | $184,587 | 90,866 | 90,866 |
| 2010 | $585,399 | 426,135 | 426,135 |
| 2011 | $529,112 | 302,589 | 302,589 |
Note: Quantity represents Weight in kilograms
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