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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,327 | 1,338 | 1,338 |
| 2006 | $34,032 | 45,652 | 45,652 |
| 2007 | $59,255 | 49,397 | 49,397 |
| 2008 | $158,420 | 71,137 | 71,137 |
| 2009 | $49,279 | 87,240 | 87,240 |
| 2010 | $81,272 | 148,580 | 148,580 |
| 2011 | $74,337 | 71,014 | 71,014 |
Note: Quantity represents Weight in kilograms
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