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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $182,700 | 45,336 | 45,336 |
| 2006 | $164,200 | 50,968 | 50,968 |
| 2007 | $359,600 | 78,339 | 78,339 |
| 2008 | $588,800 | 85,923 | 85,923 |
| 2009 | $316,900 | 86,590 | 86,590 |
| 2010 | $264,200 | 81,393 | 81,393 |
| 2011 | $239,400 | 14,893 | 14,893 |
Note: Quantity represents Weight in kilograms
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