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| Year | Trade Value | Weight (kg) | Quantity |
| 2006 | $233,096,154 | 931,785,934 | 931,785,934 |
| 2007 | $391,220,815 | 211,103,178 | 211,103,178 |
| 2008 | $54,218,256 | 24,243,121 | 24,243,121 |
| 2009 | $25,962,389 | 8,082,544 | 8,082,544 |
| 2010 | $89,646,784 | 65,573,113 | 65,573,113 |
Note: Quantity represents Weight in kilograms
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