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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,671 | 334 | 334 |
| 2006 | $28,610 | 1,169 | 1,169 |
| 2007 | $54,921 | 1,718 | 1,718 |
| 2008 | $53,131 | 1,652 | 1,652 |
| 2009 | $47,154 | 1,472 | 1,472 |
| 2010 | $62,441 | 1,998 | 1,998 |
| 2011 | $54,700 | 1,908 | 1,908 |
Note: Quantity represents Weight in kilograms
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