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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $34,118 | 1,488 | 1,488 |
| 2006 | $39,266 | 1,699 | 1,699 |
| 2007 | $25,870 | 2,315 | 2,315 |
| 2008 | $31,975 | 1,678 | 1,678 |
| 2009 | $29,459 | 1,704 | 1,704 |
| 2010 | $32,764 | 1,837 | 1,837 |
| 2011 | $29,566 | 1,496 | 1,496 |
Note: Quantity represents Weight in kilograms
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