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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $406,517,669 | 906,705 | 906,705 |
| 2006 | $200,427,192 | 329,279 | 329,279 |
| 2007 | $172,075,814 | 141,889 | 141,889 |
| 2008 | $283,092,796 | 84,965 | 84,965 |
| 2009 | $174,672,389 | 23,854 | 23,854 |
| 2010 | $72,502,658 | 6,389 | 6,389 |
| 2011 | $189,285,280 | 6,330 | 6,330 |
Note: Quantity represents Weight in kilograms
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