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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $32,644,569 | 0 | 4,319,488 |
| 2006 | $25,049,090 | 0 | 3,314,464 |
| 2007 | $30,998,969 | 0 | 0 |
| 2008 | $26,695,992 | 0 | 0 |
| 2009 | $28,594,382 | 0 | 0 |
| 2010 | $31,523,470 | 0 | 0 |
| 2011 | $28,363,259 | 942,979 | 0 |
Note: Quantity represents Area in square metres
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