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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $122,683,069 | 20,488,693 | 20,488,693 |
| 2006 | $123,910,922 | 0 | 0 |
| 2007 | $137,589,981 | 0 | 0 |
| 2008 | $179,988,299 | 0 | 0 |
| 2009 | $190,592,933 | 0 | 0 |
| 2010 | $564,163,541 | 0 | 0 |
| 2011 | $991,554,769 | 0 | 0 |
Note: Quantity represents Weight in kilograms
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