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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $30,880 | 29,460 | 29,460 |
| 2006 | $52,312 | 34,839 | 34,839 |
| 2007 | $47,493 | 28,930 | 28,930 |
| 2008 | $114,204 | 76,061 | 76,061 |
| 2009 | $164,632 | 98,396 | 98,396 |
| 2010 | $125,192 | 81,005 | 81,005 |
| 2011 | $110,843 | 56,651 | 56,651 |
Note: Quantity represents Weight in kilograms
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