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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $159,684,716 | 362,422,406 | 362,422,406 |
| 2006 | $195,945,433 | 377,514,398 | 377,514,398 |
| 2007 | $228,598,043 | 365,485,168 | 365,485,168 |
| 2008 | $198,228,728 | 327,873,813 | 327,873,813 |
| 2009 | $158,436,103 | 340,366,057 | 340,366,057 |
| 2010 | $216,145,203 | 298,824,000 | 298,824,000 |
| 2011 | $247,598,312 | 351,063,961 | 351,063,961 |
Note: Quantity represents Weight in kilograms
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