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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $234,272,874 | 191,556,163 | 191,556,163 |
| 2006 | $296,449,869 | 226,040,341 | 226,040,341 |
| 2007 | $373,908,103 | 277,708,674 | 277,708,674 |
| 2008 | $436,950,997 | 284,541,890 | 284,541,890 |
| 2009 | $436,703,675 | 237,032,112 | 237,032,112 |
| 2010 | $650,894,977 | 282,571,363 | 282,571,363 |
| 2011 | $1,085,157,908 | 312,263,097 | 312,263,097 |
Note: Quantity represents Weight in kilograms
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