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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $268,798,139 | 5,293,700 | 0 |
| 2006 | $260,136,850 | 4,903,209 | 0 |
| 2007 | $193,634,056 | 4,627,767 | 0 |
| 2008 | $376,893,323 | 11,540,728 | 0 |
| 2009 | $777,807,973 | 27,132,477 | 0 |
| 2010 | $1,612,942,655 | 69,779,442 | 0 |
Note: Quantity represents No Quantity
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