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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,900 | 2,580 | 2,580 |
| 2006 | $69,000 | 7,280 | 7,280 |
| 2007 | $69,800 | 5,855 | 5,855 |
| 2008 | $262,000 | 31,288 | 31,288 |
| 2009 | $160,900 | 21,995 | 21,995 |
| 2010 | $346,900 | 46,286 | 46,286 |
| 2011 | $596,200 | 51,085 | 51,085 |
Note: Quantity represents Weight in kilograms
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