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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $162,179,120 | 6,316,370 | 6,316,370 |
| 2006 | $269,201,652 | 9,312,729 | 9,312,729 |
| 2007 | $421,524,462 | 15,132,383 | 15,132,383 |
| 2008 | $578,730,269 | 20,248,889 | 20,248,889 |
| 2009 | $485,711,475 | 21,793,224 | 21,793,224 |
| 2010 | $404,212,868 | 17,462,756 | 17,462,756 |
Note: Quantity represents Weight in kilograms
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