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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $63,550 | 1,610 | 1,610 |
| 2006 | $46,000 | 688 | 688 |
| 2007 | $71,219 | 1,147 | 1,147 |
| 2008 | $78,320 | 1,340 | 1,340 |
| 2009 | $76,003 | 1,572 | 1,572 |
| 2010 | $94,113 | 1,566 | 1,566 |
| 2011 | $137,634 | 1,485 | 1,485 |
Note: Quantity represents Weight in kilograms
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