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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $325,310,106 | 31,861,911 | 31,861,911 |
| 2006 | $307,479,230 | 19,811,734 | 19,811,734 |
| 2007 | $248,138,616 | 14,917,507 | 14,917,507 |
| 2008 | $241,138,447 | 0 | 0 |
| 2009 | $163,929,304 | 0 | 0 |
| 2010 | $248,874,509 | 0 | 0 |
| 2011 | $186,082,511 | 0 | 0 |
Note: Quantity represents Weight in kilograms
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