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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $417,282,997 | 35,362,966 | 35,362,966 |
| 2006 | $422,488,444 | 0 | 0 |
| 2007 | $477,639,307 | 29,732,455 | 29,732,455 |
| 2008 | $482,284,771 | 24,998,974 | 24,998,974 |
| 2009 | $365,112,330 | 16,460,384 | 16,460,384 |
| 2010 | $450,688,984 | 22,942,174 | 22,942,174 |
| 2011 | $472,634,883 | 23,768,212 | 23,768,212 |
Note: Quantity represents Weight in kilograms
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