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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,813 | 34,067 | 34,067 |
| 2006 | $12,410 | 10,724 | 10,724 |
| 2007 | $2,048 | 982 | 982 |
| 2008 | $11,453 | 7,248 | 7,248 |
| 2009 | $19,052 | 5,592 | 5,592 |
| 2010 | $29,887 | 7,438 | 7,438 |
| 2011 | $1,175 | 211 | 211 |
Note: Quantity represents Weight in kilograms
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