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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $48,021 | 26,299 | 26,299 |
| 2006 | $19,734 | 8,434 | 8,434 |
| 2007 | $1,186 | 138 | 138 |
| 2008 | $28,275 | 5,247 | 5,247 |
| 2009 | $34,904 | 39,109 | 39,109 |
| 2010 | $5,486 | 1,005 | 1,005 |
| 2011 | $41,696 | 4,028 | 4,028 |
Note: Quantity represents Weight in kilograms
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