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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $189,007,092 | 109,655,182 | 109,655,182 |
| 2006 | $208,729,621 | 107,295,606 | 107,295,606 |
| 2007 | $242,512,476 | 106,958,383 | 106,958,383 |
| 2008 | $284,257,069 | 111,450,788 | 111,450,788 |
| 2009 | $254,733,310 | 128,027,729 | 128,027,729 |
| 2010 | $286,162,008 | 130,035,629 | 130,035,629 |
| 2011 | $297,639,939 | 130,876,221 | 130,876,221 |
Note: Quantity represents Weight in kilograms
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