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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $238,974,110 | 37,165,719 | 37,165,719 |
| 2006 | $217,516,318 | 33,168,294 | 33,168,294 |
| 2007 | $252,465,498 | 26,701,191 | 26,701,191 |
| 2008 | $495,669,218 | 44,915,889 | 44,915,889 |
| 2009 | $448,685,340 | 33,928,901 | 33,928,901 |
| 2010 | $284,676,560 | 29,969,133 | 29,969,133 |
| 2011 | $233,698,513 | 22,142,884 | 22,142,884 |
Note: Quantity represents Weight in kilograms
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