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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,471 | 35,730 | 35,730 |
| 2006 | $17,213 | 18,973 | 18,973 |
| 2007 | $5,473 | 5,265 | 5,265 |
| 2008 | $23 | 15 | 15 |
| 2009 | $19,102 | 21,958 | 21,958 |
| 2010 | $12,864 | 580 | 580 |
| 2011 | $82,790 | 182,765 | 182,765 |
Note: Quantity represents Weight in kilograms
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