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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $185,724 | 182,000 | 13,568 |
| 2006 | $113,157 | 127,307 | 10,405 |
| 2007 | $413,987 | 348,869 | 31,653 |
| 2008 | $103,017 | 88,794 | 7,954 |
| 2009 | $63,783 | 45,958 | 3,891 |
| 2010 | $23,994 | 19,112 | 1,635 |
| 2011 | $25,651 | 20,049 | 5,920 |
Note: Quantity represents Area in square metres
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