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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,190 | 2,606 | 2,606 |
| 2006 | $1,270 | 221 | 221 |
| 2007 | $4,504 | 3,292 | 3,292 |
| 2008 | $9,767 | 7,349 | 7,349 |
| 2009 | $11,101 | 11,256 | 11,256 |
| 2010 | $16,207 | 79,974 | 79,974 |
| 2011 | $10,515 | 5,749 | 5,749 |
Note: Quantity represents Weight in kilograms
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