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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,493 | 1,166 | 1,166 |
| 2006 | $3,279 | 1,328 | 1,328 |
| 2007 | $1,026 | 5,905 | 5,905 |
| 2008 | $4,614 | 6,962 | 6,962 |
| 2009 | $2,090 | 4,597 | 4,597 |
| 2010 | $4,047 | 3,041 | 3,041 |
| 2011 | $7,099 | 18,735 | 18,735 |
Note: Quantity represents Weight in kilograms
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