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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $385,372,151 | 129,859,196 | 129,859,196 |
| 2006 | $422,548,198 | 153,836,884 | 153,836,884 |
| 2007 | $505,292,675 | 191,896,880 | 191,896,880 |
| 2008 | $505,216,511 | 134,835,360 | 134,835,360 |
| 2009 | $420,275,400 | 158,926,073 | 158,926,073 |
| 2010 | $448,613,629 | 167,703,631 | 167,703,631 |
| 2011 | $492,404,526 | 171,810,980 | 171,810,980 |
Note: Quantity represents Weight in kilograms
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