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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $255,601,198 | 4,279 | 4,279 |
| 2006 | $636,583,586 | 5,337 | 5,337 |
| 2007 | $1,296,989,480 | 6,840 | 6,840 |
| 2008 | $1,248,276,400 | 6,283 | 6,283 |
| 2009 | $261,963,309 | 4,825 | 4,825 |
| 2010 | $476,954,868 | 6,589 | 6,589 |
| 2011 | $407,489,001 | 6,415 | 6,415 |
Note: Quantity represents Weight in kilograms
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