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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $339,428,956 | 26,905,181 | 0 |
| 2006 | $396,115,280 | 29,263,157 | 0 |
| 2007 | $460,548,089 | 35,303,510 | 40,392,681 |
| 2008 | $478,840,078 | 29,684,948 | 35,436,456 |
| 2009 | $385,452,259 | 20,842,250 | 27,627,233 |
| 2010 | $453,986,302 | 26,907,593 | 27,394,468 |
| 2011 | $539,998,357 | 29,432,627 | 32,072,617 |
Note: Quantity represents No Quantity
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