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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $177,710 | 0 | 21,699 |
| 2006 | $88,774 | 0 | 8,801 |
| 2007 | $41,413 | 0 | 4,078 |
| 2008 | $164,308,415 | 0 | 31,231,732 |
| 2009 | $259,715,698 | 0 | 55,175,867 |
| 2010 | $337,586,709 | 0 | 70,270,463 |
| 2011 | $381,711,162 | 0 | 0 |
Note: Quantity represents Area in square metres
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