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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $73,916,571 | 171,371,697 | 171,371,697 |
| 2006 | $105,450,157 | 182,551,099 | 182,551,099 |
| 2007 | $100,159,994 | 143,410,943 | 143,410,943 |
| 2008 | $121,635,294 | 122,841,064 | 122,841,064 |
| 2009 | $38,091,625 | 66,060,815 | 66,060,815 |
| 2010 | $288,282,834 | 382,037,914 | 382,037,914 |
| 2011 | $378,182,606 | 366,535,703 | 366,535,703 |
Note: Quantity represents Weight in kilograms
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