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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $937,900 | 269,879 | 269,879 |
| 2006 | $665,385 | 214,756 | 214,756 |
| 2007 | $1,276,220 | 411,068 | 411,068 |
| 2008 | $735,993 | 200,935 | 200,935 |
| 2009 | $467,170 | 129,972 | 129,972 |
| 2010 | $499,534 | 111,486 | 111,486 |
| 2011 | $488,308 | 115,941 | 115,941 |
Note: Quantity represents Weight in kilograms
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