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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,218 | 592 | 592 |
| 2006 | $43,384 | 14,155 | 14,155 |
| 2007 | $35,738 | 22,233 | 22,233 |
| 2008 | $79,246 | 46,533 | 46,533 |
| 2009 | $122,660 | 51,842 | 51,842 |
| 2010 | $276,804 | 213,460 | 213,460 |
| 2011 | $524,605 | 291,930 | 291,930 |
Note: Quantity represents Weight in kilograms
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