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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,169 | 6,137 | 6,137 |
| 2006 | $7,997 | 4,974 | 4,974 |
| 2007 | $15,933 | 3,694 | 3,694 |
| 2008 | $21,764 | 5,265 | 5,265 |
| 2009 | $26,474 | 5,994 | 5,994 |
| 2010 | $67,246 | 11,968 | 11,968 |
| 2011 | $94,403 | 19,882 | 19,882 |
Note: Quantity represents Weight in kilograms
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