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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,493 | 1,151 | 1,151 |
| 2006 | $4,348 | 797 | 797 |
| 2007 | $17,606 | 2,097 | 2,097 |
| 2008 | $52,435 | 6,563 | 6,563 |
| 2009 | $63,209 | 7,311 | 7,311 |
| 2010 | $224,760 | 34,397 | 34,397 |
| 2011 | $164,322 | 21,177 | 21,177 |
Note: Quantity represents Weight in kilograms
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