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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,982,000 | 2,518 | 2,518 |
| 2006 | $872,000 | 1,108 | 1,108 |
| 2007 | $1,389,000 | 1,497 | 1,497 |
| 2008 | $35,125,000 | 37,726 | 37,726 |
| 2009 | $71,813,000 | 0 | 0 |
| 2010 | $107,733,000 | 0 | 0 |
| 2011 | $142,943,000 | 152,896 | 152,896 |
Note: Quantity represents Weight in kilograms
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