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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $577,501,625 | 119,939,768 | 119,939,768 |
| 2006 | $559,897,945 | 132,285,547 | 132,285,547 |
| 2007 | $587,956,177 | 128,511,802 | 128,511,802 |
| 2008 | $472,026,389 | 109,572,415 | 109,572,415 |
| 2009 | $234,983,480 | 56,947,552 | 56,947,552 |
| 2010 | $308,247,549 | 69,695,822 | 69,695,822 |
| 2011 | $380,301,091 | 78,812,605 | 78,812,605 |
Note: Quantity represents Weight in kilograms
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