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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,691 | 12,706 | 12,706 |
| 2006 | $7,265 | 4,843 | 4,843 |
| 2007 | $12,008 | 6,848 | 6,848 |
| 2008 | $25,689 | 7,417 | 7,417 |
| 2009 | $21,477 | 6,740 | 6,740 |
| 2010 | $16,931 | 5,216 | 5,216 |
| 2011 | $24,284 | 7,314 | 7,314 |
Note: Quantity represents Weight in kilograms
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