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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,825 | 4,202 | 4,202 |
| 2006 | $20,715 | 7,783 | 7,783 |
| 2007 | $24,697 | 9,189 | 9,189 |
| 2008 | $16,489 | 5,440 | 5,440 |
| 2009 | $12,453 | 4,070 | 4,070 |
| 2010 | $30,593 | 8,543 | 8,543 |
| 2011 | $33,424 | 10,088 | 10,088 |
Note: Quantity represents Weight in kilograms
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