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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $179,000 | 804,700 | 804,700 |
| 2006 | $141,000 | 624,800 | 624,800 |
| 2007 | $261,000 | 1,155,300 | 1,155,300 |
| 2008 | $436,000 | 1,582,400 | 1,582,400 |
| 2009 | $252,000 | 1,157,000 | 1,157,000 |
| 2010 | $345,000 | 1,483,700 | 1,483,700 |
| 2011 | $586,000 | 1,733,400 | 1,733,400 |
Note: Quantity represents Weight in kilograms
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