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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $229,814,254 | 12,095,487 | 12,095,487 |
| 2006 | $209,643,582 | 5,206,484 | 5,206,484 |
| 2007 | $165,943,842 | 0 | 0 |
| 2008 | $354,737,494 | 0 | 0 |
| 2009 | $185,135,689 | 0 | 0 |
| 2010 | $227,158,152 | 0 | 0 |
| 2011 | $303,608,859 | 2,390,298 | 2,390,298 |
Note: Quantity represents Weight in kilograms
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