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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $530,060,112 | 815,873 | 1,654 |
| 2006 | $565,312,366 | 870,133 | 1,774 |
| 2007 | $627,339,909 | 0 | 1,837 |
| 2008 | $724,025,448 | 1,294,339 | 4,512 |
| 2009 | $660,110,334 | 1,126,163 | 1,666 |
| 2010 | $622,130,011 | 786,433 | 1,512 |
| 2011 | $630,198,232 | 807,699 | 1,535 |
Note: Quantity represents Number of items
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