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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $359,696,751 | 35,745,400 | 35,745,400 |
| 2006 | $403,781,540 | 38,303,500 | 38,303,500 |
| 2007 | $478,109,809 | 40,912,600 | 40,912,600 |
| 2008 | $507,819,091 | 38,848,526 | 38,848,526 |
| 2009 | $385,786,385 | 29,848,200 | 29,848,200 |
| 2010 | $361,704,431 | 30,774,800 | 30,774,800 |
| 2011 | $391,911,137 | 31,332,600 | 31,332,600 |
Note: Quantity represents Weight in kilograms
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