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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $71,325,039 | 1,476,157,581 | 1,476,157,581 |
| 2006 | $90,441,099 | 1,318,136,583 | 1,318,136,583 |
| 2007 | $86,362,160 | 1,488,220,571 | 1,488,220,571 |
| 2008 | $83,057,821 | 1,426,413,228 | 1,426,413,228 |
| 2009 | $72,131,875 | 1,126,461,329 | 1,126,461,329 |
| 2010 | $38,913,149 | 608,723,750 | 608,723,750 |
| 2011 | $21,688,991 | 335,178,208 | 335,178,208 |
Note: Quantity represents Weight in kilograms
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