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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $406,000 | 57,040 | 57,040 |
| 2006 | $342,000 | 20,000 | 20,000 |
| 2007 | $644,000 | 1,859,500 | 1,859,500 |
| 2009 | $2,661,000 | 12,109,400 | 12,109,400 |
| 2010 | $3,203,000 | 14,282,300 | 14,282,300 |
| 2011 | $4,463,000 | 19,920,500 | 19,920,500 |
Note: Quantity represents Weight in kilograms
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