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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $144,400 | 34,694 | 34,694 |
| 2006 | $264,900 | 56,283 | 56,283 |
| 2007 | $28,300 | 5,961 | 5,961 |
| 2008 | $196,100 | 35,833 | 35,833 |
| 2009 | $89,800 | 15,816 | 15,816 |
| 2010 | $239,300 | 46,739 | 46,739 |
| 2011 | $100,400 | 25,607 | 25,607 |
Note: Quantity represents Weight in kilograms
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