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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,300 | 3,660 | 3,660 |
| 2006 | $4,300 | 1,988 | 1,988 |
| 2007 | $9,300 | 6,934 | 6,934 |
| 2008 | $5,200 | 1,961 | 1,961 |
| 2009 | $26,600 | 18,214 | 18,214 |
| 2010 | $30,800 | 17,157 | 17,157 |
| 2011 | $34,600 | 12,324 | 12,324 |
Note: Quantity represents Weight in kilograms
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