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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $443,751 | 139,600 | 139,600 |
| 2006 | $355,721 | 182,097 | 182,097 |
| 2007 | $749,773 | 363,165 | 363,165 |
| 2008 | $921,852 | 211,481 | 211,481 |
| 2009 | $813,388 | 266,663 | 266,663 |
| 2010 | $1,115,788 | 356,315 | 356,315 |
| 2011 | $1,375,496 | 398,932 | 398,932 |
Note: Quantity represents Weight in kilograms
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