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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $40,280 | 2,132 | 2,132 |
| 2006 | $44,372 | 1,390 | 1,390 |
| 2007 | $44,043 | 1,611 | 1,611 |
| 2008 | $40,464 | 1,538 | 1,538 |
| 2009 | $28,345 | 995 | 995 |
| 2010 | $30,673 | 1,528 | 1,528 |
| 2011 | $46,626 | 2,432 | 2,432 |
Note: Quantity represents Weight in kilograms
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