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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,552 | 17,106 | 17,106 |
| 2006 | $4,783 | 5,416 | 5,416 |
| 2007 | $5,662 | 2,746 | 2,746 |
| 2008 | $1,658 | 1,055 | 1,055 |
| 2009 | $1,816 | 1,022 | 1,022 |
| 2010 | $3,449 | 1,542 | 1,542 |
| 2011 | $3,218 | 2,844 | 2,844 |
Note: Quantity represents Weight in kilograms
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