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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $611 | 991 | 991 |
| 2006 | $797 | 1,434 | 1,434 |
| 2007 | $13,461 | 31,272 | 31,272 |
| 2008 | $3,561 | 10,955 | 10,955 |
| 2009 | $9,347 | 11,127 | 11,127 |
| 2010 | $2,405 | 4,422 | 4,422 |
| 2011 | $6,952 | 12,163 | 12,163 |
Note: Quantity represents Weight in kilograms
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