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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $37,985 | 8,485 | 8,485 |
| 2006 | $45,119 | 10,014 | 10,014 |
| 2007 | $87,184 | 14,367 | 14,367 |
| 2008 | $109,527 | 15,135 | 15,135 |
| 2009 | $133,308 | 25,275 | 25,275 |
| 2010 | $149,510 | 26,075 | 26,075 |
| 2011 | $143,717 | 31,362 | 31,362 |
Note: Quantity represents Weight in kilograms
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