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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $304,857,757 | 43,607,284 | 43,607,284 |
| 2006 | $330,874,625 | 40,963,932 | 40,963,932 |
| 2007 | $425,044,506 | 51,520,606 | 51,520,606 |
| 2008 | $490,400,938 | 54,680,373 | 54,680,373 |
| 2009 | $433,684,423 | 117,753,207 | 117,753,207 |
| 2010 | $559,650,239 | 68,762,856 | 68,762,856 |
Note: Quantity represents Weight in kilograms
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