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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,800 | 548 | 548 |
| 2006 | $6,100 | 408 | 408 |
| 2007 | $22,000 | 1,467 | 1,467 |
| 2008 | $56,200 | 8,480 | 8,480 |
| 2009 | $40,900 | 3,943 | 3,943 |
| 2010 | $33,000 | 4,682 | 4,682 |
| 2011 | $102,700 | 8,536 | 8,536 |
Note: Quantity represents Weight in kilograms
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