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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $57,005 | 10,024 | 10,024 |
| 2006 | $38,709 | 6,792 | 6,792 |
| 2007 | $9,308 | 1,688 | 1,688 |
| 2008 | $14,128 | 2,488 | 2,488 |
| 2009 | $6,231 | 1,087 | 1,087 |
| 2010 | $5,883 | 1,043 | 1,043 |
| 2011 | $16,452 | 2,915 | 2,915 |
Note: Quantity represents Weight in kilograms
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