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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,598 | 1,098 | 1,098 |
| 2006 | $9,950 | 8,036 | 8,036 |
| 2007 | $7,798 | 7,602 | 7,602 |
| 2008 | $35,218 | 32,685 | 32,685 |
| 2009 | $101,713 | 203,232 | 203,232 |
| 2010 | $45,631 | 38,498 | 38,498 |
| 2011 | $26,637 | 3,356 | 3,356 |
Note: Quantity represents Weight in kilograms
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