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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,746,182 | 4,403,000 | 4,403,000 |
| 2006 | $6,224,893 | 4,918,760 | 4,918,760 |
| 2007 | $11,298,680 | 11,493,957 | 11,493,957 |
| 2008 | $12,373,463 | 463,141,719 | 463,141,719 |
| 2009 | $8,899,487 | 416,548,960 | 416,548,960 |
| 2010 | $13,959,441 | 16,244,239 | 16,244,239 |
| 2011 | $19,824,746 | 15,504,718 | 15,504,718 |
Note: Quantity represents Weight in kilograms
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