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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $42,346 | 14,890 | 14,890 |
| 2006 | $86,616 | 42,379 | 42,379 |
| 2007 | $117,361 | 38,753 | 38,753 |
| 2008 | $213,544 | 67,909 | 67,909 |
| 2009 | $184,761 | 58,680 | 58,680 |
| 2010 | $109,545 | 48,279 | 48,279 |
| 2011 | $267,754 | 83,224 | 83,224 |
Note: Quantity represents Weight in kilograms
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