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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $54,371 | 8,997 | 8,997 |
| 2006 | $85,825 | 21,166 | 21,166 |
| 2007 | $118,015 | 44,345 | 44,345 |
| 2008 | $115,674 | 36,242 | 36,242 |
| 2009 | $139,429 | 58,530 | 58,530 |
| 2010 | $150,456 | 50,564 | 50,564 |
| 2011 | $166,188 | 54,954 | 54,954 |
Note: Quantity represents Weight in kilograms
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