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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $581,026,000 | 57,110,350 | 57,110,350 |
| 2006 | $681,603,000 | 65,530,315 | 65,530,315 |
| 2007 | $783,199,000 | 67,179,073 | 67,179,073 |
| 2008 | $941,218,000 | 72,097,553 | 72,097,553 |
| 2009 | $747,509,000 | 51,183,712 | 51,183,712 |
| 2010 | $874,641,138 | 61,048,477 | 61,048,477 |
| 2011 | $1,161,202,559 | 71,982,798 | 71,982,798 |
Note: Quantity represents Weight in kilograms
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