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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $117,664,760 | 267,239,546 | 267,239,546 |
| 2006 | $171,292,442 | 328,579,553 | 328,579,553 |
| 2007 | $226,738,201 | 360,914,269 | 360,914,269 |
| 2008 | $316,893,217 | 393,603,737 | 393,603,737 |
| 2009 | $168,650,946 | 355,907,161 | 355,907,161 |
| 2010 | $232,801,398 | 409,218,446 | 409,218,446 |
| 2011 | $496,494,118 | 715,199,348 | 715,199,348 |
Note: Quantity represents Weight in kilograms
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