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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,901 | 980 | 980 |
| 2006 | $16,497 | 1,169 | 1,169 |
| 2007 | $6,823 | 1,287 | 1,287 |
| 2008 | $19,284 | 2,717 | 2,717 |
| 2009 | $19,843 | 3,136 | 3,136 |
| 2010 | $30,796 | 5,768 | 5,768 |
| 2011 | $24,280 | 3,993 | 3,993 |
Note: Quantity represents Weight in kilograms
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