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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $54,178,434 | 415,852,021 | 415,852,021 |
| 2006 | $51,264,952 | 453,784,993 | 453,784,993 |
| 2007 | $52,856,205 | 398,763,301 | 398,763,301 |
| 2008 | $300,893,782 | 639,871,206 | 639,871,206 |
| 2009 | $28,444,850 | 54,562,031 | 54,562,031 |
| 2010 | $115,491,288 | 407,450,032 | 407,450,032 |
Note: Quantity represents Weight in kilograms
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