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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $74 | 49 | 49 |
| 2006 | $44,385,150 | 98,288,072 | 98,288,072 |
| 2007 | $71,606,452 | 128,361,894 | 128,361,894 |
| 2008 | $118,279,545 | 353,522,880 | 353,522,880 |
| 2009 | $63,570,339 | 141,340,882 | 141,340,882 |
| 2010 | $100,550,513 | 173,741,806 | 173,741,806 |
Note: Quantity represents Weight in kilograms
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