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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,591 | 7,273 | 7,273 |
| 2006 | $11,646 | 6,473 | 6,473 |
| 2007 | $9,052 | 4,849 | 4,849 |
| 2008 | $8,161 | 5,244 | 5,244 |
| 2009 | $6,142 | 4,091 | 4,091 |
| 2010 | $6,696 | 2,683 | 2,683 |
| 2011 | $3,312 | 1,679 | 1,679 |
Note: Quantity represents Weight in kilograms
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