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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $98,160 | 14,031 | 14,031 |
| 2006 | $13,986 | 1,806 | 1,806 |
| 2007 | $45,932 | 5,377 | 5,377 |
| 2008 | $46,284 | 9,277 | 9,277 |
| 2009 | $57,128 | 3,952 | 3,952 |
| 2010 | $81,874 | 23,529 | 23,529 |
| 2011 | $87,371 | 5,144 | 5,144 |
Note: Quantity represents Weight in kilograms
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