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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,229 | 3,101 | 3,101 |
| 2006 | $11,222 | 3,211 | 3,211 |
| 2007 | $28,729 | 7,188 | 7,188 |
| 2008 | $29,515 | 7,016 | 7,016 |
| 2009 | $12,929 | 3,149 | 3,149 |
| 2010 | $36,031 | 7,804 | 7,804 |
| 2011 | $33,499 | 6,458 | 6,458 |
Note: Quantity represents Weight in kilograms
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