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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,417 | 1,885 | 1,885 |
| 2006 | $43,837 | 1,291 | 1,291 |
| 2007 | $37,251 | 743 | 743 |
| 2008 | $98,052 | 1,003 | 1,003 |
| 2009 | $60,901 | 1,912 | 1,912 |
| 2010 | $21,663 | 691 | 691 |
| 2011 | $67,497 | 2,109 | 2,109 |
Note: Quantity represents Weight in kilograms
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