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| Year | Trade Value | Weight (kg) | Quantity |
| 2008 | $160,477,716 | 106,931,703 | 106,931,703 |
| 2009 | $137,760,713 | 133,354,813 | 133,354,813 |
| 2010 | $146,560,937 | 108,197,655 | 108,197,655 |
| 2011 | $476,348,706 | 292,969,202 | 292,969,202 |
Note: Quantity represents Weight in kilograms
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