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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $39,686,324 | 147,335,328 | 147,335,328 |
| 2006 | $48,750,784 | 241,141,267 | 241,141,267 |
| 2007 | $49,045,202 | 59,450,526 | 59,450,526 |
| 2008 | $45,305,761 | 43,556,632 | 43,556,632 |
| 2009 | $41,820,980 | 40,700,056 | 40,700,056 |
| 2010 | $39,403,257 | 31,654,972 | 31,654,972 |
| 2011 | $27,613,451 | 26,657,501 | 26,657,501 |
Note: Quantity represents Weight in kilograms
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