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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $105,912,860 | 100,107,499 | 100,107,499 |
| 2006 | $116,701,722 | 99,626,211 | 99,626,211 |
| 2007 | $233,164,713 | 171,861,374 | 171,861,374 |
| 2008 | $224,320,023 | 155,036,995 | 155,036,995 |
| 2009 | $444,824,356 | 407,773,049 | 407,773,049 |
| 2010 | $465,048,516 | 344,621,245 | 344,621,245 |
| 2011 | $459,215,768 | 286,345,986 | 286,345,986 |
Note: Quantity represents Weight in kilograms
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