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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $118,754,657 | 149,935,900 | 149,935,900 |
| 2006 | $117,158,930 | 109,872,800 | 109,872,800 |
| 2007 | $89,553,152 | 78,615,100 | 78,615,100 |
| 2008 | $80,698,632 | 53,318,800 | 53,318,800 |
| 2009 | $40,957,217 | 40,930,800 | 40,930,800 |
| 2010 | $78,004,291 | 68,416,400 | 68,416,400 |
| 2011 | $68,875,567 | 46,288,500 | 46,288,500 |
Note: Quantity represents Weight in kilograms
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