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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $108,000 | 3,107 | 24,684 |
| 2006 | $85,000 | 2,445 | 19,427 |
| 2007 | $82,000 | 1,984 | 29,792 |
| 2008 | $148,000 | 2,266 | 35,654 |
| 2009 | $32,000 | 0 | 0 |
| 2010 | $70,000 | 629 | 21,387 |
| 2011 | $23,000 | 122 | 0 |
Note: Quantity represents Area in square metres
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