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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $171,236,132 | 168,741,779 | 168,741,779 |
| 2006 | $184,952,281 | 163,287,794 | 163,287,794 |
| 2007 | $212,191,542 | 154,836,337 | 154,836,337 |
| 2008 | $307,056,235 | 186,338,826 | 186,338,826 |
| 2009 | $240,702,564 | 206,036,622 | 206,036,622 |
| 2010 | $365,688,927 | 254,993,806 | 254,993,806 |
| 2011 | $470,344,366 | 290,446,131 | 290,446,131 |
Note: Quantity represents Weight in kilograms
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