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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,151 | 6,586 | 6,586 |
| 2006 | $2,962 | 2,100 | 2,100 |
| 2007 | $5,078 | 3,600 | 3,600 |
| 2008 | $31,934 | 15,400 | 15,400 |
| 2009 | $11,408 | 3,633 | 3,633 |
| 2010 | $9,577 | 6,800 | 6,800 |
| 2011 | $13,304 | 2,400 | 2,400 |
Note: Quantity represents Weight in kilograms
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