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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,263 | 3,242 | 3,242 |
| 2006 | $11,009 | 1,866 | 1,866 |
| 2007 | $10,682 | 1,891 | 1,891 |
| 2008 | $20,877 | 3,951 | 3,951 |
| 2009 | $13,183 | 2,653 | 2,653 |
| 2010 | $3,935 | 787 | 787 |
| 2011 | $14,164 | 3,027 | 3,027 |
Note: Quantity represents Weight in kilograms
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