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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,940 | 560 | 560 |
| 2006 | $373 | 231 | 231 |
| 2007 | $3,613 | 595 | 595 |
| 2008 | $19,533 | 27,383 | 27,383 |
| 2009 | $149,876 | 139,932 | 139,932 |
| 2010 | $239,523 | 283,082 | 283,082 |
| 2011 | $41,456 | 93,049 | 93,049 |
Note: Quantity represents Weight in kilograms
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