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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,750 | 71,000 | 7,586 |
| 2006 | $143,439 | 343,463 | 39,845 |
| 2007 | $129,271 | 42,333 | 28,897 |
| 2008 | $351,195 | 207,160 | 12,899 |
| 2009 | $35,013 | 2,800 | 470 |
| 2010 | $10,320 | 12,001 | 934 |
| 2011 | $7,565 | 7,409 | 528 |
Note: Quantity represents Area in square metres
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