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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $75,304 | 6,655 | 8,391 |
| 2006 | $91,950 | 4,291 | 5,242 |
| 2007 | $81,957 | 3,859 | 4,968 |
| 2008 | $54,130 | 1,335 | 1,289 |
| 2009 | $21,916 | 285 | 152 |
| 2010 | $60,337 | 746 | 461 |
| 2011 | $89,871 | 4,073 | 4,190 |
Note: Quantity represents Area in square metres
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