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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $189,911,328 | 19,307,780 | 19,307,780 |
| 2006 | $215,041,936 | 15,614,810 | 15,614,810 |
| 2007 | $882,464,991 | 57,406,604 | 57,406,604 |
| 2008 | $961,819,952 | 62,396,546 | 62,396,546 |
| 2009 | $739,573,430 | 48,455,223 | 48,455,223 |
| 2010 | $902,096,677 | 57,703,828 | 57,703,828 |
| 2011 | $1,200,241,914 | 79,046,133 | 79,046,133 |
Note: Quantity represents Weight in kilograms
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