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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,283 | 23,907 | 23,907 |
| 2006 | $26,046 | 31,406 | 31,406 |
| 2007 | $44,749 | 44,521 | 44,521 |
| 2008 | $26,201 | 25,584 | 25,584 |
| 2009 | $14,429 | 16,548 | 16,548 |
| 2010 | $31,959 | 33,797 | 33,797 |
| 2011 | $47,697 | 50,237 | 50,237 |
Note: Quantity represents Weight in kilograms
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