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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,931 | 825 | 825 |
| 2006 | $21,228 | 1,022 | 1,022 |
| 2007 | $14,335 | 778 | 778 |
| 2008 | $28,043 | 1,384 | 1,384 |
| 2009 | $17,979 | 1,758 | 1,758 |
| 2010 | $20,464 | 1,592 | 1,592 |
| 2011 | $15,266 | 2,040 | 2,040 |
Note: Quantity represents Weight in kilograms
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