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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,218 | 1,964 | 1,964 |
| 2006 | $2,677 | 946 | 946 |
| 2007 | $11,056 | 3,809 | 3,809 |
| 2008 | $20,173 | 6,899 | 6,899 |
| 2009 | $9,728 | 3,862 | 3,862 |
| 2010 | $7,444 | 2,815 | 2,815 |
| 2011 | $27,195 | 9,016 | 9,016 |
Note: Quantity represents Weight in kilograms
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