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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $170,327,601 | 61,674,737 | 61,674,737 |
| 2006 | $191,125,543 | 83,021,784 | 83,021,784 |
| 2007 | $180,428,996 | 85,451,007 | 85,451,007 |
| 2008 | $187,309,256 | 87,947,459 | 87,947,459 |
| 2009 | $154,965,784 | 53,244,259 | 53,244,259 |
| 2010 | $171,055,370 | 60,880,467 | 60,880,467 |
| 2011 | $192,438,666 | 63,063,530 | 63,063,530 |
Note: Quantity represents Weight in kilograms
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