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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $42,804 | 5,424 | 5,424 |
| 2006 | $128,507 | 58,728 | 58,728 |
| 2007 | $17,745 | 7,514 | 7,514 |
| 2008 | $7,822 | 1,073 | 1,073 |
| 2009 | $1,696 | 2,632 | 2,632 |
| 2010 | $12,034 | 2,811 | 2,811 |
| 2011 | $11,318 | 3,475 | 3,475 |
Note: Quantity represents Weight in kilograms
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