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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,901 | 960 | 960 |
| 2006 | $30,087 | 1,506 | 1,506 |
| 2007 | $39,382 | 1,746 | 1,746 |
| 2008 | $63,075 | 2,544 | 2,544 |
| 2009 | $53,124 | 3,202 | 3,202 |
| 2010 | $65,610 | 6,952 | 6,952 |
| 2011 | $60,955 | 2,981 | 2,981 |
Note: Quantity represents Weight in kilograms
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