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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $95,064 | 20,148 | 24,130 |
| 2006 | $37,496 | 7,947 | 2,837 |
| 2007 | $12,882 | 2,760 | 194 |
| 2008 | $6,396 | 1,327 | 540 |
| 2009 | $4,968 | 938 | 1,568 |
| 2010 | $29,940 | 6,669 | 17,868 |
| 2011 | $20,840 | 4,469 | 103 |
Note: Quantity represents Area in square metres
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