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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,520 | 2,995 | 2,995 |
| 2006 | $13,210 | 4,211 | 4,211 |
| 2007 | $5,102 | 1,231 | 1,231 |
| 2008 | $8,724 | 1,791 | 1,791 |
| 2009 | $18,956 | 2,707 | 2,707 |
| 2010 | $25,414 | 6,729 | 6,729 |
| 2011 | $16,807 | 2,194 | 2,194 |
Note: Quantity represents Weight in kilograms
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