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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,259,978 | 155,864 | 155,864 |
| 2006 | $13,115,348 | 166,738 | 166,738 |
| 2007 | $15,876,298 | 0 | 0 |
| 2008 | $14,381,666 | 0 | 0 |
| 2009 | $16,470,250 | 0 | 0 |
| 2010 | $16,248,129 | 0 | 0 |
| 2011 | $27,647,000 | 671,757 | 671,757 |
Note: Quantity represents Weight in kilograms
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