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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $37,636 | 1,744 | 1,744 |
| 2006 | $49,867 | 10,407 | 10,407 |
| 2007 | $120,691 | 24,334 | 24,334 |
| 2008 | $116,468 | 25,888 | 25,888 |
| 2009 | $165,166 | 41,308 | 41,308 |
| 2010 | $295,698 | 121,193 | 121,193 |
| 2011 | $150,710 | 37,145 | 37,145 |
Note: Quantity represents Weight in kilograms
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