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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $186,948,152 | 20,114,678 | 0 |
| 2006 | $226,868,020 | 23,665,881 | 0 |
| 2007 | $262,123,815 | 0 | 1,094,667,183 |
| 2008 | $269,332,522 | 0 | 175,268,116 |
| 2009 | $246,086,954 | 0 | 111,106,221 |
| 2010 | $322,178,532 | 0 | 119,971,572 |
| 2011 | $334,520,021 | 0 | 124,106,110 |
Note: Quantity represents No Quantity
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