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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $115,717,305 | 36,204,993 | 36,204,993 |
| 2006 | $113,102,503 | 31,086,895 | 31,086,895 |
| 2007 | $103,501,763 | 27,467,761 | 27,467,761 |
| 2008 | $93,408,970 | 21,594,395 | 21,594,395 |
| 2009 | $80,593,064 | 17,642,408 | 17,642,408 |
| 2010 | $89,739,842 | 19,116,679 | 19,116,679 |
| 2011 | $75,224,323 | 13,160,090 | 13,160,090 |
Note: Quantity represents Weight in kilograms
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