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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $198,440,159 | 182,890,458 | 182,890,458 |
| 2006 | $204,866,418 | 160,777,177 | 160,777,177 |
| 2007 | $233,287,947 | 159,382,799 | 159,382,799 |
| 2008 | $248,483,764 | 156,284,813 | 156,284,813 |
| 2009 | $217,264,807 | 182,545,104 | 182,545,104 |
| 2010 | $311,755,769 | 235,284,369 | 235,284,369 |
| 2011 | $363,235,084 | 239,543,374 | 239,543,374 |
Note: Quantity represents Weight in kilograms
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