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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $383,789,131 | 24,622,897 | 24,622,897 |
| 2006 | $387,360,597 | 22,136,091 | 22,136,091 |
| 2007 | $513,092,337 | 31,443,199 | 31,443,199 |
| 2008 | $696,951,200 | 41,362,974 | 41,362,974 |
| 2009 | $398,786,868 | 23,638,554 | 23,638,554 |
| 2010 | $469,084,093 | 28,266,161 | 28,266,161 |
| 2011 | $546,261,576 | 29,090,577 | 29,090,577 |
Note: Quantity represents Weight in kilograms
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