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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,200 | 1,030 | 1,030 |
| 2006 | $1,500 | 305 | 305 |
| 2007 | $1,500 | 440 | 440 |
| 2008 | $31,500 | 7,891 | 7,891 |
| 2009 | $49,400 | 12,366 | 12,366 |
| 2010 | $90,800 | 31,699 | 31,699 |
| 2011 | $176,300 | 39,261 | 39,261 |
Note: Quantity represents Weight in kilograms
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