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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $799 | 179 | 24 |
| 2006 | $4,842 | 1,087 | 1,882 |
| 2007 | $124,918 | 48,231 | 17,071 |
| 2008 | $24,762 | 2,238 | 2,927 |
| 2009 | $24,606 | 6,129 | 2,344 |
| 2010 | $17,731 | 3,078 | 8,068 |
| 2011 | $9,620 | 2,363 | 1,026 |
Note: Quantity represents Area in square metres
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