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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $83,846,767 | 90,466,236 | 90,466,236 |
| 2006 | $65,128,567 | 64,190,915 | 64,190,915 |
| 2007 | $68,685,344 | 54,512,313 | 54,512,313 |
| 2008 | $431,337,822 | 314,750,503 | 314,750,503 |
| 2009 | $108,153,407 | 105,588,146 | 105,588,146 |
| 2010 | $48,711,520 | 29,888,709 | 29,888,709 |
| 2011 | $66,398,727 | 30,748,895 | 30,748,895 |
Note: Quantity represents Weight in kilograms
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