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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,792 | 437 | 437 |
| 2006 | $18,726 | 6,211 | 6,211 |
| 2007 | $37,296 | 4,911 | 4,911 |
| 2008 | $61,863 | 9,760 | 9,760 |
| 2009 | $23,398 | 3,755 | 3,755 |
| 2010 | $38,788 | 10,266 | 10,266 |
| 2011 | $26,044 | 2,431 | 2,431 |
Note: Quantity represents Weight in kilograms
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