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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $50,670 | 18,418 | 18,418 |
| 2006 | $46,885 | 18,711 | 18,711 |
| 2007 | $18,380 | 8,773 | 8,773 |
| 2008 | $30,879 | 10,333 | 10,333 |
| 2009 | $16,167 | 6,340 | 6,340 |
| 2010 | $21,223 | 13,810 | 13,810 |
| 2011 | $37,841 | 17,146 | 17,146 |
Note: Quantity represents Weight in kilograms
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