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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $311,052,323 | 1,631,470 | 1,631,470 |
| 2006 | $440,907,583 | 2,235,590 | 2,235,590 |
| 2007 | $424,083,422 | 1,441,591 | 1,441,591 |
| 2008 | $246,972,731 | 1,161,187 | 1,161,187 |
| 2009 | $162,764,027 | 688,140 | 688,140 |
| 2010 | $225,942,365 | 1,937,518 | 1,937,518 |
| 2011 | $257,394,875 | 1,341,964 | 1,341,964 |
Note: Quantity represents Weight in kilograms
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