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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $52,100 | 4,067 | 4,067 |
| 2006 | $15,200 | 1,784 | 1,784 |
| 2007 | $5,300 | 706 | 706 |
| 2008 | $225,400 | 7,176 | 7,176 |
| 2009 | $188,300 | 5,762 | 5,762 |
| 2010 | $46,700 | 4,277 | 4,277 |
| 2011 | $27,900 | 3,750 | 3,750 |
Note: Quantity represents Weight in kilograms
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