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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $50,582 | 46,632 | 4,126 |
| 2006 | $28,294 | 21,459 | 1,875 |
| 2007 | $54,318 | 48,702 | 3,846 |
| 2008 | $48,798 | 37,790 | 2,992 |
| 2009 | $69,366 | 60,160 | 5,166 |
| 2010 | $78,891 | 61,294 | 4,336 |
| 2011 | $91,936 | 64,503 | 4,814 |
Note: Quantity represents Area in square metres
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