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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $68,589 | 6,487 | 6,487 |
| 2006 | $109,850 | 8,019 | 8,019 |
| 2007 | $134,564 | 10,232 | 10,232 |
| 2008 | $633,481 | 35,071 | 35,071 |
| 2009 | $427,379 | 22,089 | 22,089 |
| 2010 | $56 | 9 | 9 |
| 2011 | $22,721 | 521 | 521 |
Note: Quantity represents Weight in kilograms
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