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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $189,701 | 7,068 | 41,433 |
| 2006 | $226,602 | 7,528 | 48,269 |
| 2007 | $161,714 | 5,314 | 27,446 |
| 2008 | $66,174 | 2,339 | 9,924 |
| 2009 | $504,198 | 30,933 | 160,783 |
| 2010 | $36,329 | 993 | 5,402 |
| 2011 | $33,709 | 674 | 3,311 |
Note: Quantity represents Area in square metres
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