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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $284,379,570 | 30,591,867 | 0 |
| 2006 | $237,038,688 | 24,648,805 | 0 |
| 2007 | $354,370,155 | 33,928,101 | 0 |
| 2008 | $249,746,112 | 20,606,523 | 0 |
| 2009 | $173,671,086 | 15,164,470 | 0 |
| 2010 | $186,293,785 | 18,448,844 | 0 |
| 2011 | $168,330,587 | 14,674,789 | 0 |
Note: Quantity represents No Quantity
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