2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $2,000,000 $4,000,000 $6,000,000 $8,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,193,888 | 40,822 | 193,509 |
| 2006 | $6,559,210 | 218,392 | 679,093 |
| 2007 | $3,509,288 | 101,426 | 368,840 |
| 2008 | $2,871,207 | 85,128 | 304,850 |
| 2009 | $89,751 | 0 | 9,235 |
| 2010 | $343,155 | 0 | 30,555 |
| 2011 | $379,983 | 0 | 26,481 |
Note: Quantity represents Area in square metres
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