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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,389 | 1,095 | 1,095 |
| 2006 | $3,118 | 233 | 233 |
| 2007 | $15,020 | 1,578 | 1,578 |
| 2008 | $40,777 | 19,405 | 19,405 |
| 2009 | $28,760 | 1,611 | 1,611 |
| 2010 | $55,609 | 4,686 | 4,686 |
| 2011 | $56,084 | 15,959 | 15,959 |
Note: Quantity represents Weight in kilograms
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