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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,973 | 4,845 | 4,845 |
| 2006 | $32,170 | 5,417 | 5,417 |
| 2007 | $69,690 | 9,970 | 9,970 |
| 2008 | $175,108 | 39,079 | 39,079 |
| 2009 | $184,590 | 32,016 | 32,016 |
| 2010 | $152,188 | 40,662 | 40,662 |
| 2011 | $191,476 | 48,312 | 48,312 |
Note: Quantity represents Weight in kilograms
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