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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,834 | 1,988 | 1,988 |
| 2006 | $7,266 | 961 | 961 |
| 2007 | $20,698 | 2,452 | 2,452 |
| 2008 | $16,046 | 1,867 | 1,867 |
| 2009 | $15,546 | 1,864 | 1,864 |
| 2010 | $34,062 | 3,830 | 3,830 |
| 2011 | $22,977 | 2,544 | 2,544 |
Note: Quantity represents Weight in kilograms
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