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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,212 | 14,559 | 14,559 |
| 2006 | $23,390 | 29,479 | 29,479 |
| 2007 | $12,584 | 9,785 | 9,785 |
| 2008 | $48,672 | 36,225 | 36,225 |
| 2009 | $1,545 | 607 | 607 |
| 2010 | $2,096 | 1,309 | 1,309 |
| 2011 | $797 | 436 | 436 |
Note: Quantity represents Weight in kilograms
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