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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $332,397,278 | 4,196,698 | 4,196,698 |
| 2006 | $271,497,458 | 3,539,679 | 3,539,679 |
| 2007 | $278,278,327 | 3,256,964 | 3,256,964 |
| 2008 | $338,346,637 | 0 | 0 |
| 2009 | $218,787,847 | 1,709,713 | 1,709,713 |
| 2010 | $370,245,493 | 2,456,722 | 2,456,722 |
| 2011 | $544,486,429 | 35,829,783 | 35,829,783 |
Note: Quantity represents Weight in kilograms
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