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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $634,824 | 305,463,100 | 305,463,100 |
| 2006 | $559,397 | 186,998,602 | 186,998,602 |
| 2007 | $500,084 | 110,908,530 | 110,908,530 |
| 2008 | $285,600 | 62,300,000 | 62,300,000 |
| 2009 | $25,800 | 7,850,000 | 7,850,000 |
Note: Quantity represents Weight in kilograms
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