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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,163,610 | 9,020,000 | 9,020,000 |
| 2006 | $1,795,143 | 4,726,000 | 4,726,000 |
| 2007 | $36,797,177 | 80,354,347 | 80,354,347 |
| 2008 | $736,874 | 1,406,113 | 1,406,113 |
| 2009 | $4,379,285 | 51,643,314 | 51,643,314 |
| 2010 | $7,845,171 | 13,122,057 | 13,122,057 |
| 2011 | $13,322,874 | 16,486,808 | 16,486,808 |
Note: Quantity represents Weight in kilograms
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