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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,092 | 1,636 | 861 |
| 2006 | $12,377 | 12,421 | 3,052 |
| 2007 | $25,365 | 5,696 | 2,302 |
| 2008 | $14,674 | 1,537 | 1,262 |
| 2009 | $38,473 | 10,172 | 4,495 |
| 2010 | $33,893 | 5,738 | 3,630 |
| 2011 | $3,801 | 352 | 219 |
Note: Quantity represents Area in square metres
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