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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $254,965,556 | 475,204,895 | 475,204,895 |
| 2006 | $280,068,304 | 447,278,750 | 447,278,750 |
| 2007 | $346,371,880 | 387,263,092 | 387,263,092 |
| 2008 | $356,445,647 | 467,179,187 | 467,179,187 |
| 2009 | $251,800,853 | 422,408,179 | 422,408,179 |
| 2010 | $366,727,405 | 747,720,179 | 747,720,179 |
Note: Quantity represents Weight in kilograms
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