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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $86,604 | 3,400 | 16,572 |
| 2006 | $86,543 | 3,734 | 17,188 |
| 2007 | $101,780 | 2,197 | 15,692 |
| 2008 | $105,843 | 2,149 | 15,681 |
| 2009 | $75,723 | 1,469 | 10,652 |
| 2010 | $58,284 | 1,635 | 10,458 |
| 2011 | $26,853 | 617 | 4,005 |
Note: Quantity represents Area in square metres
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