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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $222,720,405 | 30,094,865 | 30,094,865 |
| 2006 | $220,250,991 | 28,883,566 | 28,883,566 |
| 2007 | $222,867,877 | 26,757,103 | 26,757,103 |
| 2008 | $223,794,794 | 24,848,175 | 24,848,175 |
| 2009 | $196,733,852 | 23,836,389 | 23,836,389 |
| 2010 | $288,909,810 | 28,937,943 | 28,937,943 |
| 2011 | $328,616,616 | 29,733,494 | 29,733,494 |
Note: Quantity represents Weight in kilograms
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