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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $153,625,986 | 820,978,905 | 820,978,905 |
| 2006 | $284,672,911 | 1,848,847,230 | 1,848,847,230 |
| 2007 | $297,911,752 | 1,890,950,000 | 1,890,950,000 |
| 2008 | $413,003,575 | 1,867,412,095 | 1,867,412,095 |
| 2009 | $492,650,207 | 2,437,625,296 | 2,437,625,296 |
| 2010 | $711,194,175 | 2,952,419,054 | 2,952,419,054 |
Note: Quantity represents Weight in kilograms
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