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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $560,000 | 1,138,704 | 120,277 |
| 2006 | $506,400 | 1,089,965 | 106,143 |
| 2007 | $607,900 | 997,982 | 93,604 |
| 2008 | $331,400 | 528,118 | 56,631 |
| 2009 | $223,100 | 317,328 | 33,584 |
| 2010 | $242,000 | 318,470 | 35,426 |
| 2011 | $389,600 | 435,331 | 50,731 |
Note: Quantity represents Area in square metres
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