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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $137,195 | 139,801 | 19,427 |
| 2006 | $200,785 | 239,947 | 10,186 |
| 2007 | $183,755 | 178,561 | 6,332 |
| 2008 | $254,062 | 273,554 | 11,475 |
| 2009 | $461,464 | 522,541 | 23,531 |
| 2010 | $156,555 | 191,744 | 8,861 |
| 2011 | $291,451 | 397,399 | 17,247 |
Note: Quantity represents Area in square metres
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