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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $121,805 | 8,121 | 8,121 |
| 2006 | $101,787 | 8,566 | 8,566 |
| 2007 | $71,340 | 5,812 | 5,812 |
| 2008 | $38,182 | 2,998 | 2,998 |
| 2009 | $33,207 | 3,600 | 3,600 |
| 2010 | $15,537 | 1,680 | 1,680 |
| 2011 | $20,838 | 1,832 | 1,832 |
Note: Quantity represents Weight in kilograms
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