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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $457,415,961 | 18,735,355 | 18,735,355 |
| 2006 | $634,917,344 | 22,739,580 | 22,739,580 |
| 2007 | $890,141,122 | 30,584,984 | 30,584,984 |
| 2008 | $1,073,629,736 | 33,982,851 | 33,982,851 |
| 2009 | $859,245,629 | 0 | 0 |
| 2010 | $862,406,539 | 25,227,614 | 25,227,614 |
Note: Quantity represents Weight in kilograms
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