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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,459 | 201 | 201 |
| 2006 | $34,151 | 10,114 | 10,114 |
| 2007 | $33,537 | 9,106 | 9,106 |
| 2008 | $55,266 | 11,073 | 11,073 |
| 2009 | $90,197 | 20,814 | 20,814 |
| 2010 | $126,154 | 31,102 | 31,102 |
| 2011 | $96,442 | 20,435 | 20,435 |
Note: Quantity represents Weight in kilograms
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