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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $29,065 | 33,224 | 33,224 |
| 2006 | $51,932,655 | 473,924,912 | 473,924,912 |
| 2007 | $32,815,329 | 264,876,647 | 264,876,647 |
| 2008 | $96,124,445 | 376,126,397 | 376,126,397 |
| 2009 | $57,283 | 42,765 | 42,765 |
| 2011 | $40,822,916 | 181,630,003 | 181,630,003 |
Note: Quantity represents Weight in kilograms
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