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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $820,353 | 21,425 | 21,425 |
| 2006 | $777,884 | 18,445 | 18,445 |
| 2007 | $995,738 | 27,785 | 27,785 |
| 2008 | $767,730 | 18,466 | 18,466 |
| 2009 | $693,279 | 22,451 | 22,451 |
| 2010 | $1,135,977 | 46,587 | 46,587 |
| 2011 | $1,207,059 | 43,192 | 43,192 |
Note: Quantity represents Weight in kilograms
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