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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,700 | 2,007 | 2,007 |
| 2006 | $300 | 47 | 47 |
| 2007 | $121,800 | 13,413 | 13,413 |
| 2008 | $118,800 | 10,646 | 10,646 |
| 2009 | $189,400 | 21,957 | 21,957 |
| 2010 | $579,800 | 55,630 | 55,630 |
| 2011 | $85,900 | 97,440 | 97,440 |
Note: Quantity represents Weight in kilograms
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