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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $535,405,682 | 5,037,435 | 0 |
| 2006 | $200,916,522 | 2,095,377 | 0 |
| 2007 | $251,752,692 | 5,399,982 | 0 |
| 2008 | $228,339,393 | 2,126,709 | 0 |
| 2009 | $170,268,988 | 2,288,933 | 0 |
| 2010 | $154,642,017 | 2,490,204 | 0 |
| 2011 | $182,235,010 | 1,655,367 | 0 |
Note: Quantity represents No Quantity
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