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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $184,864,861 | 84,227,768 | 84,227,768 |
| 2006 | $282,265,908 | 128,143,166 | 128,143,166 |
| 2007 | $408,720,277 | 159,268,515 | 159,268,515 |
| 2008 | $537,419,944 | 172,170,503 | 172,170,503 |
| 2009 | $495,209,218 | 175,164,759 | 175,164,759 |
| 2010 | $469,221,978 | 170,861,610 | 170,861,610 |
| 2011 | $558,427,821 | 179,936,956 | 179,936,956 |
Note: Quantity represents Weight in kilograms
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