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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $670,918 | 9,310 | 9,310 |
| 2006 | $841,896 | 9,304 | 9,304 |
| 2007 | $1,580,758 | 36,579 | 36,579 |
| 2008 | $1,440,823 | 18,148 | 18,148 |
| 2009 | $1,250,863 | 12,351 | 12,351 |
| 2010 | $1,047,717 | 25,319 | 25,319 |
Note: Quantity represents Weight in kilograms
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