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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $454 | 9 | 9 |
| 2006 | $16,250 | 21,063 | 21,063 |
| 2007 | $97,472 | 146,154 | 146,154 |
| 2008 | $47,553 | 111,258 | 111,258 |
| 2009 | $29,802 | 22,510 | 22,510 |
| 2010 | $2,394 | 2,897 | 2,897 |
| 2011 | $102,014 | 137,662 | 137,662 |
Note: Quantity represents Weight in kilograms
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