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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $216,332,801 | 341,573 | 341,573 |
| 2006 | $199,157,724 | 318,231 | 318,231 |
| 2007 | $218,866,571 | 422,302 | 422,302 |
| 2008 | $253,896,983 | 507,195 | 507,195 |
| 2009 | $241,925,803 | 532,204 | 532,204 |
| 2010 | $354,764,597 | 645,267 | 645,267 |
| 2011 | $349,475,170 | 599,050 | 599,050 |
Note: Quantity represents Weight in kilograms
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