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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,249 | 1,989 | 1,989 |
| 2006 | $19,852 | 11,586 | 11,586 |
| 2007 | $10,771 | 3,480 | 3,480 |
| 2008 | $46,680 | 24,937 | 24,937 |
| 2009 | $54,194 | 34,480 | 34,480 |
| 2010 | $19,004 | 9,723 | 9,723 |
| 2011 | $53,798 | 35,370 | 35,370 |
Note: Quantity represents Weight in kilograms
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