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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,659 | 18,570 | 18,570 |
| 2006 | $45,680 | 38,438 | 38,438 |
| 2007 | $42,510 | 32,019 | 32,019 |
| 2008 | $42,707 | 28,260 | 28,260 |
| 2009 | $42,426 | 24,225 | 24,225 |
| 2010 | $102,361 | 76,000 | 76,000 |
| 2011 | $44,854 | 29,132 | 29,132 |
Note: Quantity represents Weight in kilograms
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