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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,121 | 9,668 | 9,668 |
| 2006 | $14,498 | 10,673 | 10,673 |
| 2007 | $14,909 | 10,160 | 10,160 |
| 2008 | $12,177 | 6,082 | 6,082 |
| 2009 | $17,565 | 9,191 | 9,191 |
| 2010 | $13,747 | 7,559 | 7,559 |
| 2011 | $17,018 | 8,244 | 8,244 |
Note: Quantity represents Weight in kilograms
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