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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,048 | 3,731 | 3,731 |
| 2006 | $5,022 | 11,076 | 11,076 |
| 2007 | $3,145 | 4,944 | 4,944 |
| 2008 | $6,289 | 6,805 | 6,805 |
| 2009 | $6,255 | 8,992 | 8,992 |
| 2010 | $2,672 | 3,134 | 3,134 |
| 2011 | $7,030 | 7,258 | 7,258 |
Note: Quantity represents Weight in kilograms
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