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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,992 | 9,501 | 9,501 |
| 2006 | $11,946 | 129 | 129 |
| 2007 | $666 | 9 | 9 |
| 2008 | $49,418 | 29,903 | 29,903 |
| 2009 | $250,655 | 240,707 | 240,707 |
| 2010 | $136,231 | 55,870 | 55,870 |
| 2011 | $48,913 | 38,886 | 38,886 |
Note: Quantity represents Weight in kilograms
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