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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $242,394,000 | 11,360,909 | 11,360,909 |
| 2006 | $290,288,000 | 13,129,300 | 13,129,300 |
| 2007 | $384,804,000 | 16,072,494 | 16,072,494 |
| 2008 | $496,625,000 | 13,994,444 | 13,994,444 |
| 2009 | $307,627,000 | 11,219,970 | 11,219,970 |
| 2010 | $352,648,731 | 13,322,801 | 13,322,801 |
| 2011 | $462,457,672 | 14,424,378 | 14,424,378 |
Note: Quantity represents Weight in kilograms
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