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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $172,911,747 | 5,825 | 5,825 |
| 2006 | $359,846,621 | 8,264 | 8,264 |
| 2007 | $490,021,973 | 9,631 | 9,631 |
| 2008 | $687,999,314 | 12,744 | 12,744 |
| 2009 | $332,239,886 | 9,584 | 9,584 |
| 2010 | $493,630,727 | 9,865 | 9,865 |
| 2011 | $539,285,002 | 9,555 | 9,555 |
Note: Quantity represents Weight in kilograms
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