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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $218,654,089 | 752,668 | 752,668 |
| 2006 | $372,850,164 | 719,153 | 719,153 |
| 2007 | $554,051,071 | 501,231 | 501,231 |
| 2008 | $692,814,381 | 355,471 | 355,471 |
| 2009 | $497,747,723 | 449,256 | 449,256 |
| 2010 | $767,586,947 | 444,750 | 444,750 |
| 2011 | $801,292,223 | 482,232 | 482,232 |
Note: Quantity represents Weight in kilograms
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