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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,814 | 18,706 | 18,706 |
| 2006 | $76,799 | 65,930 | 65,930 |
| 2007 | $70,082 | 58,937 | 58,937 |
| 2008 | $78,553 | 32,288 | 32,288 |
| 2009 | $23,188 | 12,943 | 12,943 |
| 2010 | $7,189 | 1,886 | 1,886 |
| 2011 | $56,740 | 19,042 | 19,042 |
Note: Quantity represents Weight in kilograms
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