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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,443 | 273 | 273 |
| 2006 | $27,480 | 432 | 432 |
| 2007 | $42,155 | 1,452 | 1,452 |
| 2008 | $72,610 | 7,901 | 7,901 |
| 2009 | $75,480 | 3,442 | 3,442 |
| 2010 | $170,149 | 23,892 | 23,892 |
| 2011 | $134,444 | 16,018 | 16,018 |
Note: Quantity represents Weight in kilograms
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