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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $328,000 | 108,100 | 108,100 |
| 2006 | $456,000 | 81,800 | 81,800 |
| 2007 | $666,000 | 213,826 | 213,826 |
| 2008 | $832,000 | 273,829 | 273,829 |
| 2009 | $611,000 | 188,509 | 188,509 |
| 2010 | $1,795,000 | 572,137 | 572,137 |
| 2011 | $2,770,000 | 810,900 | 810,900 |
Note: Quantity represents Weight in kilograms
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