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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $48,761 | 15,946 | 15,946 |
| 2006 | $54,962 | 18,299 | 18,299 |
| 2007 | $58,910 | 3,454 | 3,454 |
| 2008 | $36,748 | 3,710 | 3,710 |
| 2009 | $43,120 | 4,153 | 4,153 |
| 2010 | $45,859 | 3,509 | 3,509 |
| 2011 | $28,872 | 1,505 | 1,505 |
Note: Quantity represents Weight in kilograms
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