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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,968 | 142 | 142 |
| 2006 | $60,367 | 1,156 | 1,156 |
| 2007 | $167,092 | 10,327 | 10,327 |
| 2008 | $494,957 | 27,966 | 27,966 |
| 2009 | $102,870 | 18,199 | 18,199 |
| 2010 | $147,827 | 5,842 | 5,842 |
| 2011 | $8,405 | 13 | 13 |
Note: Quantity represents Weight in kilograms
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